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Research papers, University of Canterbury Library

This thesis addresses the topic of local bond behaviour in RC structures. The mechanism of bond refers to the composite action between deformed steel reinforcing bars and the surrounding concrete. Bond behaviour is an open research topic with a wide scope, particularly because bond it is such a fundamental concept to structural engineers. However, despite many bond-related research findings having wide applications, the primary contribution of this research is an experimental evaluation of the prominent features of local bond behaviour and the associated implications for the seismic performance of RC structures. The findings presented in this thesis attempt to address some structural engineering recommendations made by the Canterbury Earthquakes Royal Commission following the 2010-2011 Canterbury (New Zealand) earthquake sequence. A chapter of this thesis discusses the structural behaviour of flexure-dominated RC wall structures with an insufficient quantity of longitudinal reinforcement, among other in situ conditions, that causes material damage to predominantly occur at a single crack plane. In this particular case, the extent of concrete damage and bond deterioration adjacent to the crack plane will influence the ductility capacity that is effectively provided by the reinforcing steel. As a consequence of these in situ conditions, some lightly reinforced wall buildings in Christchurch lost their structural integrity due to brittle fracture of the longitudinal reinforcement. With these concerning post-earthquake observations in mind, there is the underlying intention that this thesis presents experimental evidence of bond behaviour that allows structural engineers to re-assess their confidence levels for the ability of lightly reinforced concrete structures to achieve the life-safety seismic performance objective the ultimate limit state. Three chapters of this thesis are devoted to the experimental work that was conducted as the main contribution of this research. Critical details of the experimental design, bond testing method and test programme are reported. The bond stress-slip relationship was studied through 75 bond pull-out tests. In order to measure the maximum local bond strength, all bond tests were carried out on deformed reinforcing bars that did not yield as the embedded bond length was relatively short. Bond test results have been presented in two separate chapters in which 48 monotonic bond tests and 27 cyclic bond tests are presented. Permutations of the experiments include the loading rate, cyclic loading history, concrete strength (25 to 70 MPa), concrete age, cover thickness, bar diameter (16 and 20 mm), embedded length, and position of the embedded bond region within the specimen (close or far away to the free surface). The parametric study showed that the concrete strength significantly influences the maximum bond strength and that it is reasonable to normalise the bond stress by the square-root of the concrete compressive strength, √(f'c). The generalised monotonic bond behaviour is described within. An important outcome of the research is that the measured bond strength and stiffness was higher than stated by the bond stress-slip relationship in the fib Model Code 2010. To account for these observed differences, an alternative model is proposed for the local monotonic bond stress-slip relationship. Cyclic bond tests showed a significant proportion of the total bond degradation occurs after the loading cycle in the peak bond strength range, which is when bond slip has exceeded 0.5 mm. Subsequent loading to constant slip values showed a linear relationship between the amount of bond strength degradation and the log of the number of cycles that were applied. To a greater extent, the cyclic bond deterioration depends on the bond slip range, regardless of whether the applied load cycling is half- or fully-reversed. The observed bond deterioration and hysteretic energy dissipated during cyclic loading was found to agree reasonably well between these cyclic tests with different loading protocols. The cyclic bond deterioration was also found to be reasonably consistent exponential damage models found in the literature. This research concluded that the deformed reinforcing bars used in NZ construction, embedded in moderate to high strength concrete, are able to develop high local bond stresses that are mobilised by a small amount of local bond slip. Although the relative rib geometry was not varied within this experimental programme, a general conclusion of this thesis is that deformed bars currently available in NZ have a relative rib bearing area that is comparatively higher than the test bars used in previous international research. From the parametric study it was found that the maximum monotonic bond strength is significant enhanced by dynamic loading rates. Experimental evidence of high bond strength and initial bond stiffness generally suggests that only a small amount of local bond slip that can occur when the deformed test bar was subjected to large tension forces. Minimal bond slip and bond damage limits the effective yielding length that is available for the reinforcing steel to distribute inelastic material strains. Consequently, the potential for brittle fracture of the reinforcement may be a more problematic and widespread issue than is apparent to structural engineers. This research has provided information that improve the reliability of engineering predictions (with respect to ductility capacity) of maximum crack widths and the extent of bond deterioration that might occur in RC structures during seismic actions.

Audio, Radio New Zealand

Questions to Ministers 1. Hon PHIL GOFF to the Prime Minister: In stating that "this Government introduced a balanced package of tax cuts" was he saying that his tax changes and the tax system are fair to all New Zealanders? 2. LOUISE UPSTON to the Minister of Finance: What will be the main objectives of Budget 2011 tomorrow? 3. Hon ANNETTE KING to the Prime Minister: When he said "in most cases the tax switch more than compensated people for the increase in GST", in which cases hadn't people been fully compensated? 4. JOHN BOSCAWEN to the Prime Minister: Does he stand by the statement he made in his post-Cabinet press conference on Monday that "Everyone needs to understand that what Don Brash is talking about is hardcore"; if so why? 5. Hon DAVID CUNLIFFE to the Minister of Finance: What is the total impact on the operating balance, over the forecast period, of the fiscal impact of the tax changes in Budget 2010 according to page 70 of the 2010 Budget and Economic Fiscal Update, and how does he reconcile that with the Prime Minister's statement in the House yesterday that "National's tax plan 2010…was fiscally neutral"? 6. ALLAN PEACHEY to the Minister of Corrections: What reports has she received about the first year of container units being used in New Zealand prisons? 7. RAHUI KATENE to the Minister for Communications and Information Technology: What was the motivation behind the decision to remove regulatory forbearance from the Telecommunications (TSO, Broadband, and Other Matters) Amendment Bill? 8. JACINDA ARDERN to the Minister for Canterbury Earthquake Recovery: Does he stand by the Prime Minister's statement in relation to Christchurch that "it looks like the residential rebuild alone will require up to 12,500 full-time workers", if not, how many full-time workers does he believe will now be needed? 9. Hon TAU HENARE to the Minister for Social Development and Employment: What recent announcements has she made to support community social services? 10. CLARE CURRAN to the Minister for Communications and Information Technology: What is the best estimate of the additional cost to the Crown of the change he announced to the ultrafast broadband network this morning? 11. TIM MACINDOE to the Minister of Housing: What recent announcements has he made regarding the Government's Housing Innovation Fund? 12. GARETH HUGHES to the Acting Minister of Energy and Resources: What is her response to the statement of leading scientist and NASA director Dr James Hansen, currently touring New Zealand, that "coal is the single greatest threat to civilisation and all life on our planet" and we should leave it in the ground?

Audio, Radio New Zealand

JAMI-LEE ROSS to the Minister of Finance: What reports has he received on the competitiveness of New Zealand's business sector? ANDREW WILLIAMS to the Minister of Trade: Does he stand by his statement on the Trans-Pacific Partnership that "It's going to be big. It's going to be significant and it's going to help New Zealanders find well-paid jobs"; if so, on what evidence does he base this claim? DAVID SHEARER to the Prime Minister: Does he stand by his statement "…You can trust us. If we say we're going to do something we do it. If we don't, we don't … that's why I've stuck to my guns and I haven't campaigned on one thing and done something different."? METIRIA TUREI to the Prime Minister: Does he stand by his statement regarding investor state disputes procedures proposed in the Trans-Pacific Partnership agreement that "An exclusion solely for Australia and not for everybody else is unlikely to be something we would support"; if so, why? SIMON O'CONNOR to the Minister for Tertiary Education, Skills and Employment: What progress has the Government made to improve the viability of the Student Loan Scheme? JACINDA ARDERN to the Minister for Social Development: How many times, if any, has the Transition to Work Grant, or similar funds, been used by Work and Income New Zealand to purchase tickets to Australia for job seekers who have found work there? SHANE ARDERN to the Minister for Primary Industries: What announcements has he recently made on boosting innovation in the New Zealand primary sector? Hon DAVID PARKER to the Minister of Finance: Does he stand by his statement regarding migration to Australia "What's the point of standing in the airport crying about it?"; if so, how many people have left permanently for Australia since he took office in November 2008? TIM MACINDOE to the Minister for Social Development: What announcements has she made on the Expert Advisory Group on Information Security, who will oversee the development of the initiatives in the Government's White Paper for Vulnerable Children? CHRIS HIPKINS to the Minister of Education: Does she agree with all of the statements the Prime Minister has made regarding food in schools? MOJO MATHERS to the Associate Minister of Health: Other than the LD50 test, will he rule out other animal tests for the pending psychoactive substances testing regime? NICKY WAGNER to the Minister for Canterbury Earthquake Recovery: What progress is the Government making with rebuilding and repairing residential homes in Christchurch?

Audio, Radio New Zealand

Questions to Ministers 1. Hon PHIL GOFF to the Prime Minister: Is he satisfied that actions to address the Christchurch earthquake are an adequate response; if not, what are his areas of concern? 2. AMY ADAMS to the Minister of Finance: What reports has he received on the economic impact of the earthquake in Christchurch on 22 February 2011? 3. Hon CLAYTON COSGROVE to the Minister for Canterbury Earthquake Recovery: Is he satisfied with the level of support being offered to the people of Christchurch in the wake of the earthquake on 22 February 2011? 4. NICKY WAGNER to the Minister for Social Development and Employment: What is the Government doing to support Canterbury businesses and employees through the earthquake recovery? 5. Hon ANNETTE KING to the Minister for Social Development and Employment: Is she confident that the Ministry of Social Development has responded adequately to the Christchurch earthquake? 6. METIRIA TUREI to the Minister of Finance: Has he considered raising a temporary levy on income to help fund the rebuilding of Christchurch; if so, how much could it raise? 7. AARON GILMORE to the Minister for Tertiary Education: What work has been done to help the families of tertiary students and tertiary institutions affected by the 22 February 2011 earthquake in Christchurch? 8. Hon JIM ANDERTON to the Minister for Canterbury Earthquake Recovery: Will he ensure that Christchurch homeowners and businesses are able to access insurance cover from existing policies or new cover they require since the 22 February 2011 earthquake? 9. Hon JOHN BOSCAWEN to the Attorney-General: Has he asked the Māori Party to agree to amendments to the Marine and Coastal Area (Takutai Moana) Bill that would make it explicitly clear that customary title holders would not be able to charge individuals for accessing a beach, and require any negotiated settlements to be referred back to Parliament for validation; if so, what response did he receive? 10. Hon DAVID PARKER to the Attorney-General: Does the Government intend to proceed this week with its legislation to replace the existing Foreshore and Seabed Act 2004? 11. RAHUI KATENE to the Minister for Canterbury Earthquake Recovery: Did he agree with his spokesman's response to the situation for residents in Christchurch East following the earthquake of 22 February 2011, that, "It is apparent, given the scale out there, that there just wasn't sufficient hardware out there, loos and the like", and what urgent actions have been taken to give priority to communities in the eastern suburbs? 12. COLIN KING to the Minister of Civil Defence: Why was a state of national emergency declared on 23 February 2011?

Audio, Radio New Zealand

Questions to Ministers 1. PESETA SAM LOTU-IIGA to the Minister of Finance: What progress has the Government made in building a more competitive economy and getting on top of New Zealand's longstanding reliance on foreign debt? 2. Hon PHIL GOFF to the Prime Minister: Does he have confidence in his Minister of Finance? 3. KEVIN HAGUE to the Prime Minister: Does he stand by all his statements regarding the safety of mining in New Zealand; and does he consider his Government has met all its responsibilities arising out of the Pike River mine disaster? 4. Hon DAVID CUNLIFFE to the Minister of Finance: What are the latest official forecasts for the current account balance and the net international investment position over the next four years under his Government's policies? 5. JONATHAN YOUNG to the Minister of Justice: What progress has been made on the development of alternative court processes for child witnesses? 6. Hon CLAYTON COSGROVE to the Minister of Finance: In light of his statement yesterday regarding foreign-owned assets that "we need to generate the kind of savings that will help New Zealand buy back those assets", is it still the Government's policy to sell State assets if it is re-elected, given that up to 30 percent of the shares he proposes selling could go to overseas buyers? 7. Hon JOHN BOSCAWEN to the Minister of Finance: Does he think that implementing the 2025 Taskforce's recommendations in November 2009 would have avoided New Zealand's double credit downgrade; if not, why not? 8. GRANT ROBERTSON to the Minister of Health: Has he been advised of a reduction in funding for home-based health support services in the Wellington region? 9. TIM MACINDOE to the Minister of Corrections: Has she received any progress reports on the implementation of the Government's Prisoner Skills and Employment Strategy? 10. STUART NASH to the Minister of Finance: By how many percent has the GDP per capita gap between Australia and New Zealand widened since his Government took office? 11. NIKKI KAYE to the Minister for Communications and Information Technology: How many schools will benefit from ultra-fast broadband in the first year of the roll-out? 12. BRENDON BURNS to the Minister for Canterbury Earthquake Recovery: Does he stand by all of his statements on Canterbury's earthquake recovery? Questions to Members 1. SU'A WILLIAM SIO to the Chairperson of the Social Services Committee: Will she call a meeting to consider the Inquiry into the identification, rehabilitation, and care and protection of child offenders; if not, why not?

Audio, Radio New Zealand

MARAMA DAVIDSON to the Minister of Housing and Urban Development: Will he commit to ensuring that the 800 tenancies terminated or otherwise affected by Housing New Zealand’s previous approach to meth testing receive compensation that genuinely reflects the level of harm done, and takes account of both direct costs and emotional distress? Hon JUDITH COLLINS to the Minister of Housing and Urban Development: Is it acceptable for Housing New Zealand tenants to smoke methamphetamine in Housing New Zealand houses? Hon PAUL GOLDSMITH to the Minister of Finance: Does he stand by all of the statements, actions, and policies of the Government in relation to the New Zealand economy? RINO TIRIKATENE to the Minister for Māori Crown Relations: Te Arawhiti: What recent announcements has he made on the scope of his new portfolio? Hon Dr NICK SMITH to the Minister of State Services: What are the dates and contents of all work-related electronic communications between former Minister Hon Clare Curran and the Prime Minister since the decision in Cabinet last year “that the CTO be appointed by, and accountable to, the Prime Minister and the Ministers of Government Digital Services and Broadcasting, Communications and Digital Media”? Dr DEBORAH RUSSELL to the Minister of Finance: What is his reaction to the Independent Tax Working Group’s interim report released today? Hon NIKKI KAYE to the Minister of Education: How many communications has she received from teachers or principals in the last three days regarding teacher shortages, relief teacher issues, and increases in class sizes, and is she confident there will be no more primary teacher strikes this year? Hon NATHAN GUY to the Minister for Biosecurity: How many inbound passengers arrived at Auckland International Airport yesterday between 2 a.m. and 5 a.m., and how many dog detector teams worked on the Green Lane at this time? TAMATI COFFEY to the Minister of Housing and Urban Development: What steps is the Government taking to ensure Housing New Zealand is a compassionate landlord focused on tenant well-being? STUART SMITH to the Minister for Courts: Is he confident that the Canterbury Earthquakes Insurance Tribunal will comply with all requirements of the rule of law? SIMEON BROWN to the Minister of Health: When did the Expert Advisory Committee on drugs give its advice that synthetic cannabinoids AMB-FUBINACA and 5F-ADB be scheduled as Class A controlled drugs, and what action has he taken on this advice? ANAHILA KANONGATA'A-SUISUIKI to the Minister of Commerce and Consumer Affairs: What measures has the Government announced to protect the public from unscrupulous wheel-clamping practices?

Audio, Radio New Zealand

MARAMA DAVIDSON to the Prime Minister: Ka tū a ia i runga i tana kōrero mō te iti rawa o te mahi haumi i roto ratonga tūmataiti, ā, nā runga i tērā, “we didn't know it would be this bad” ā, mēnā kua pēnei rawa, ka pēhea te nui o te iti rawa o te mahi haumi nei?   Translation: Does she stand by her statement on underinvestment in public services that “we didn't know it would be this bad”, and if so, how significant is this underinvestment? Hon SIMON BRIDGES to the Prime Minister: Does she stand by all her Government’s policies and actions? Hon AMY ADAMS to the Minister of Finance: Is he committed to reducing core Crown net debt to 20 percent of GDP by 30 June 2022? Dr DEBORAH RUSSELL to the Minister of Finance: What recent reports has he seen on the state of the New Zealand economy? Hon MICHAEL WOODHOUSE to the Minister of Health: Does he stand by all his statements and actions? JAMI-LEE ROSS to the Minister of Transport: What is the total increased level of funding for the Public Transport activity class for the next 10 years if the mid-point level of funding proposed in the draft Government Policy Statement in the 2018/19 year continues at that level for 10 years without increase; and can he confirm that when that increased funding is added together with mid-point level funding for the new Rapid Transit and Transitional Rail activity classes over 10 years, the total new and increased funding for these three activity classes is $5.398 billion? Dr DUNCAN WEBB to the Minister responsible for the Earthquake Commission: What reports has she seen about the financial impact of remedial repairs in Canterbury by EQC? Hon NATHAN GUY to the Minister of Agriculture: Does he stand by all his Government’s actions in the agricultural sector? Hon PAULA BENNETT to the Minister of Employment: Does he stand by all his policies, statements, and actions? JAN TINETTI to the Minister of Education: What funding challenges does the early child education sector face? BRETT HUDSON to the Minister for Government Digital Services: Does she agree with the comment made by ICT veteran and expert in the industry, Ian Apperley, who said “when you read the Government’s Chief Technology Officer job description it occurs to me that making the role effective is provably impossible. It is largely waffly which means the Government may not know what it wants”; if not, why not? Dr LIZ CRAIG to the Minister of Health: What advice has he received about DHB deficit levels?

Research papers, University of Canterbury Library

Voluntary turnover has been the subject of scholarly inquiry for more than 100 years and much is understood about the drivers of turnover, and the decision-making processes involved. To date most models of voluntary turnover have assumed a rational and sequential decision process, initiated primarily by dissatisfaction with the job and the perceived availability of alternatives. Operating within a strong predictive research agenda, countless studies have sought to validate, extend and refine these traditional models through the addition of distal antecedents, mediators, moderators, and proximal antecedents of turnover. The net result of this research is a large body of empirical support for a somewhat modest relationship between job dissatisfaction, perceived alternatives, turnover intentions, job search behaviour and actual turnover. Far less scholarly attention has been directed at understanding shock-induced turnover that is not necessarily derived from dissatisfaction. Moreover, almost no consideration has been given to understanding how a significant and commonly experienced extra-organisational shock, such as natural disaster, might impact turnover decision making. Additionally, the dynamic and cumulative impacts of multiple shocks on turnover decision making have to date not been examined by turnover researchers. In addressing these gaps this thesis presents a leaver-centric theory of employee turnover decision making that is grounded in the post-disaster context. Data for the study were collected from in-depth interviews with 31 leavers in four large organisations in Christchurch, New Zealand; an area that experienced a major natural disaster in the form of the Canterbury earthquake sequence. This context provided a unique setting in which to study turnover as the primary shock was followed by a series of smaller shocks, resulting in a period of sustained disruption to the pre-shock status quo. Grounded theory methods are used to develop a typology of leaving which describes four distinct patterns of turnover decision making that follow a significant extra-organisational shock. The proposed typology not only addresses the heterogeneous and complex nature of turnover decision making, but also provides a more nuanced explanation of the turnover process explicating how the choice of decision path followed is influenced by four contextual factors which emerged from the data: (1) pre-shock motivational state; (2) decision difficulty; (3) experienced shock magnitude; and (4) the availability of resources. The research findings address several shortcomings in the extant literature on employee turnover, and offer practical recommendations for managers seeking to retain employees in a post-disaster setting.

Audio, Radio New Zealand

1. TODD McCLAY to the Minister of Finance: What reports has he received on the economy? 2. KEVIN HAGUE to the Minister of Labour: Does she agree that the test of practicability in the Health and Safety in Employment (Mining-Underground) Regulations 1999 is likely to result in different mines having different safety standards, in contrast to the regulations in place until 1992? 3. Hon ANNETTE KING to the Prime Minister: In light of his comment that "New Zealand is to be congratulated because, at least in terms of the gender pay gap, ours is the third lowest in the OECD", does that mean he is satisfied with the 10.6 percent gap between men's and women's pay in our country? 4. LOUISE UPSTON to the Minister for Social Development and Employment: What reports has she received on the latest benefit numbers? 5. Hon CLAYTON COSGROVE to the Minister for Canterbury Earthquake Recovery: Does he consider the allocation of the value of the land within the rating valuation process to be robust, when it has produced such variable outcomes, leaving many in the red zone with insufficient funds to buy a section to take advantage of the replacement option in their insurance policy? 6. Dr CAM CALDER to the Minister for the Environment: What work is his Ministry doing to help New Zealand take up the opportunity from green growth following the OECD May 2011 report on the high expected global demand for such products and services? 7. Hon MARYAN STREET to the Minister of Foreign Affairs: How many human resources contracts, if any, were let by the Ministry of Foreign Affairs and Trade without tenders being invited in 2010/2011, and what criteria were used to assess non-tendered contractors? 8. PAUL QUINN to the Minister of Transport: What is the Government doing to improve Wellington's commuter rail network? 9. METIRIA TUREI to the Prime Minister: Does he stand by his statement "there is no question in my mind - someone would be better off in paid employment than on welfare. If they were not, that is a real indictment on the welfare system"? 10. Hon TREVOR MALLARD to the Minister of Finance: When he said that "I did visit the Chinese Investment Corporation … They are very pleased with New Zealand's economic policy", was one of the policies he discussed with this foreign sovereign wealth fund his plan for privatising state assets? 11. JAMI-LEE ROSS to the Minister of Broadcasting: What recent announcements has the Government made on progress towards digital switchover? 12. GRANT ROBERTSON to the Minister of Health: Does he stand by his statement to the Cabinet Expenditure Control Committee that "we may need to take some tough choices regarding the scope and range of services the public health system can provide to New Zealanders"?

Audio, Radio New Zealand

Hon PHIL HEATLEY to the Minister of Finance: What reports has he received on the economy – and especially on further signs of economic momentum in the regions and among manufacturers? Dr RUSSEL NORMAN to the Minister of Finance: How much did the Government's share sales in Mighty River Power, Meridian, and Air New Zealand raise, given that the Supplement to the 2010 Investment Statement of the Government of New Zealand projected that those sales would raise $5.18 billion? Hon DAVID PARKER to the Minister for ACC: How much did ACC invest in Pike River Coal Limited and in New Zealand Oil and Gas Limited over the last eight years, and how much has it made or lost in total on its investment in each company, taking into account share purchases, subscriptions and sales, dividends, and current share prices? Rt Hon WINSTON PETERS to the Minister of Māori Affairs: Does he stand by his statement "I know Māori want to talk about the place of the Treaty of Waitangi in our constitution, and how our legal and political systems can reflect tikanga Māori."; if so, why? Hon SHANE JONES to the Associate Minister of Finance: Is he satisfied with his performance in regard to his delegations as Associate Minister of Finance? JONATHAN YOUNG to the Minister for Building and Construction: What reports has he received regarding the state of the building and construction sector? GARETH HUGHES to the Minister for the Environment: Did the Environmental Protection Authority assess the full version of Anadarko's Discharge Management Plan and Emergency Response Plan as part of its evaluation of the company's Environmental Impact Assessment for the Deepwater Taranaki Well; if not, why not? Hon CLAYTON COSGROVE to the Minister of Finance: When, if at all, did Cabinet approve the timing of the Air New Zealand sell-down and what directions did Cabinet give the shareholding Ministers? NICKY WAGNER to the Minister of Housing: What steps is the Government taking to rebuild Christchurch's housing stock damaged or destroyed by the earthquakes? Hon DAMIEN O'CONNOR to the Minister for Primary Industries: Does he stand by his statement "The opportunity, and challenge, for our meat producers now is to add value to different cuts of meat and continue to sell the New Zealand story"; if so, why? IAN McKELVIE to the Minister of Local Government: How is the Government improving councils' financial reporting? DARIEN FENTON to the Minister of Labour: Does he stand by his statement that "I am especially keen to hear what affected parties have to say on the Part 6A proposals in the Bill, and will carefully consider their submissions and the recommendations of the select committee"?

Audio, Radio New Zealand

Questions to Ministers 1. JACQUI DEAN to the Minister of Finance: What reports has he received on the economy? 2. Hon PHIL GOFF to the Prime Minister: Will he rule out making cuts to Working for Families payments this year; if not, why not? 3. TIM MACINDOE to the Minister for Social Development and Employment: What changes is the Government making to Family Start to ensure a greater focus on protecting children from abuse and neglect? 4. Hon ANNETTE KING to the Minister for Social Development and Employment: Does she agree with the Prime Minister that "anyone on a benefit actually has a lifestyle choice…some make poor choices, and they do not have money left"? 5. KANWALJIT SINGH BAKSHI to the Minister of Civil Defence: Did he meet with business leaders in Christchurch yesterday to discuss the Civil Defence state of national emergency operations; if so, what was the outcome of that meeting? 6. Hon DAVID CUNLIFFE to the Minister of Finance: Who was right, the Prime Minster who predicted that the New Zealand economy would grow "reasonably aggressively" in 2010-11, or the last four quarterly NZIER consensus forecast updates for GDP, which have progressively declined from 3.2 percent to just 0.8 percent for the year to March 2011? 7. Dr RUSSEL NORMAN to the Minister of Finance: Which response to the Christchurch earthquake carries a greater risk of a credit downgrade: increased government borrowing or a temporary earthquake levy? 8. PHIL TWYFORD to the Minister of Local Government: When he said "Auckland's fragmented governance has meant a lack [of] leadership and vision, but soon its leaders will be able to think regionally, plan strategically and act decisively", did he mean only if they agree with the Government's plan for Auckland? 9. JO GOODHEW to the Minister of Education: What were the results of the Accelerating Learning in Mathematics Pilot Study? 10. Hon DAMIEN O'CONNOR to the Minister for Biosecurity: Does he agree with the statements made by John Lancashire and Stew Wadey, President of Waikato Federated Farmers, in the Dominion Post yesterday that New Zealand is exposed to greater risk of incursions or exotic pests at our borders as a result of the "fast-tracking of tourists", the "attempts to abolish import restrictions", and his axing of 60 frontline border staff? 11. MICHAEL WOODHOUSE to the Acting Minister of Energy and Resources: What reports has she received on levels of renewable electricity generation? 12. CHRIS HIPKINS to the Minister for ACC: Does he stand by his answer to question 4 on Thursday last week "that funding will be taken from either the earners account or the work account" and "that a higher proportion of claims than the overall average for ACC are actually in the work account"; if not, why not?

Audio, Radio New Zealand

Questions to Ministers 1. DAVID SHEARER to the Prime Minister: Does he stand by his statement in the House yesterday, in answer to Oral Question No 2, that his Government is selling assets because "New Zealanders want less debt, more productive assets, and an economy that is going to function, not a load more debt"? 2. PAUL GOLDSMITH to the Minister for Economic Development: What progress is the Government making in implementing its economic growth agenda? 3. PHIL TWYFORD to the Minister of Transport: Does the Government consider it important for its transport spending to be cost-effective and provide a good return on investment? 4. Dr RUSSEL NORMAN to the Minister for State Owned Enterprises: What, according to the Crown Ownership Monitoring Unit, was the average total shareholder return of Genesis, Meridian, Mighty River Power and Solid Energy over the last five years and how does that compare to the average cost of borrowing to the Government right now? 5. NICKY WAGNER to the Minister of Local Government: What reports has he received on how much rates increased nationally in the decade since the Local Government Act 2002 and how does this compare to the previous decade? 6. GRANT ROBERTSON to the Minister for the Environment: Does he stand by his statement made in the House yesterday in relation to the grounding of the Rena that "the statute sets down very clearly that I as Minister for the Environment should not be encouraging or discouraging a proper, independent decision by Environment Bay of Plenty as to whether they should or should not take a prosecution"? 7. KANWALJIT SINGH BAKSHI to the Minister of Broadcasting: What recent announcements has the Government made on progress towards digital switchover? 8. Rt Hon WINSTON PETERS to the Prime Minister: Does he still have confidence in all his Ministers? 9. Hon LIANNE DALZIEL to the Minister for Canterbury Earthquake Recovery: How many written comments were received on the draft Recovery Plan for the Christchurch CBD and is it his intention to consider them all before making a decision on the draft Recovery Plan for the CBD, in accordance with the process set out on the Canterbury Earthquake Recovery Authority's website? 10. MELISSA LEE to the Minister of Internal Affairs: What recent steps have there been to promote New Zealand citizenship as a successful settlement pathway for migrants? 11. CLARE CURRAN to the Minister of Broadcasting: Does he stand by the Prime Minister's statement in relation to the appointment of the Prime Minister's electorate chairman Stephen McElrea to the NZ On Air board that "if you look at the vast array of appointments we make, I think the balance is about right"? 12. CATHERINE DELAHUNTY to the Minister of Education: Will she rule out implementing Treasury's advice to increase class sizes in schools?

Research papers, The University of Auckland Library

Reinforced concrete buildings that satisfied modern seismic design criteria generally behaved as expected during the recent Canterbury and Kaikoura earthquakes in New Zealand, forming plastic hinges in intended locations. While this meant that life-safety performance objectives were met, widespread demolition and heavy economic losses took place in the aftermath of the earthquakes.The Christchurch central business district was particularly hard hit, with over 60% of the multistorey reinforced concrete buildings being demolished. A lack of knowledge on the post-earthquake residual capacity of reinforced concrete buildings was a contributing factor to the mass demolition.Many aspects related to the assessment of earthquake-damaged reinforced concrete buildings require further research. This thesis focusses on improving the state of knowledge on the post earthquakeresidual capacity and reparability of moderately damaged plastic hinges, with an emphasis on plastic hinges typical of modern moment frame structures. The repair method focussed on is epoxy injection of cracks and patching of spalled concrete. A targeted test program on seventeen nominally identical large-scale ductile reinforced concrete beams, three of which were repaired by epoxy injection following initial damaging loadings, was conducted to support these objectives. Test variables included the loading protocol, the loading rate, and the level of restraint to axial elongation.The information that can be gleaned from post-earthquake damage surveys is investigated. It is shown that residual crack widths are dependent on residual deformations, and are not necessarily indicative of the maximum rotation demands or the plastic hinge residual capacity. The implications of various other types of damage typical of beam and column plastic hinges are also discussed.Experimental data are used to demonstrate that the strength and deformation capacity of plastic hinges with modern seismic detailing are often unreduced as a result of moderate earthquake induced damage, albeit with certain exceptions. Special attention is given to the effects of prior yielding of the longitudinal reinforcement, accounting for the low-cycle fatigue and strain ageing phenomena. A material-level testing program on the low-cycle fatigue behaviour of grade 300E reinforcing steel was conducted to supplement the data available in the literature.A reduction in stiffness, relative to the initial secant stiffness to yield, occurs due to moderate plastic hinging damage. This reduction in stiffness is shown to be correlated with the ductility demand,and a proposed model gives a conservative lower-bound estimate of the residual stiffness following an arbitrary earthquake-type loading. Repair by epoxy injection is shown to be effective in restoring the majority of stiffness to plastic hinges in beams. Epoxy injection is also shown to have implications for the residual strength and elongation characteristics of repaired plastic hinges.

Research papers, University of Canterbury Library

Tsunami have the potential to cause significant disruptions to society, including damage to infrastructure, critical to the every-day operation of society. Effective risk management is required to reduce the potential tsunami impacts to them. Christchurch city, situated on the eastern coast of New Zealand’s South Island, is exposed to a number of far-field tsunami hazards. Although the tsunami hazard has been well identified for Christchurch city infrastructure, the likely impacts have not been well constrained. To support effective risk management a credible and realistic infrastructure impact model is required to inform risk management planning. The objectives of this thesis are to assess the impacts on Christchurch city infrastructure from a credible, hypothetical far-field tsunami scenario. To achieve this an impact assessment process is adopted, using tsunami hazard and exposure measures to determine asset vulnerability and subsequent impacts. However, the thesis identified a number of knowledge gaps in infrastructure vulnerability to tsunami. The thesis addresses this by using two approaches: a tsunami damage matrix; and the development of tsunami fragility functions. The tsunami damage matrix pools together tsunami impacts on infrastructure literature, and post-event field observations. It represents the most comprehensive ‘look-up’ resource for tsunami impacts to infrastructure to date. This damage matrix can inform the assessment of tsunami impacts on Christchurch city infrastructure by providing a measure of damage likelihood at various hazard intensities. A more robust approach to tsunami vulnerability of infrastructure are fragility functions, which are also developed in this thesis. These were based on post-event tsunami surveys of the 2011 ‘Tohoku’ earthquake tsunami in Japan. The fragility functions are limited to road and bridge infrastructure, but represent the highest resolution measure of vulnerability for the given assets. As well as providing a measure of damage likelihood for a given tsunami hazard intensity, these also indicate a level of asset damage. The impact assessment process, and synthesized vulnerability measures, are used to run tsunami impact models for Christchurch infrastructure to determine the probability of asset damage occurring and to determine if impact will reach or exceed a given damage state. The models suggest that infrastructure damage is likely to occur in areas exposed to tsunami inundation in this scenario, with significant damage identified for low elevation roads and bridges. The results are presented and discussed in the context of the risk management framework, with emphasis on using risk assessment to inform risk treatment, monitoring and review. In summary, this thesis A) advances tsunami vulnerability and impact assessment methodologies for infrastructure and B) provides a tsunami impact assessment framework for Christchurch city infrastructure which will inform infrastructure tsunami risk management for planners, emergency managers and lifelines groups.

Research papers, Victoria University of Wellington

Museums around the world are often affected by major catastrophes, and yet planning for these disasters is an often neglected aspect of museum practice. New Zealand is not immune from these events, as can be seen in the recent series of serious earthquakes in Christchurch in 2010 and 2011. This dissertation considers how prepared the New Zealand museum sector is to handle unexpected events that negatively affect its buildings, staff, operations and treasured collections. The central research question was: What is the overall state of emergency planning in the New Zealand museum sector? There was a significant gap in the literature, especially in the local context, as there has been only one other comparable study conducted in Britain, and nothing locally. This dissertation makes a valuable contribution to the field of museum studies by drawing on theory from relevant areas such as crises management literature and by conducting original empirical research on a topic which has received little attention hitherto. The research employed a number of methods, including a review of background secondary sources, a survey and interviews. After contextualising the study with a number of local examples, Ian online survey was then developed an which enabled precise understanding of the nature of current museum practices and policies around emergency planning. Following this I conducted several interviews with museum professionals from a variety of institutional backgrounds which explored their thoughts and feelings behind the existing practices within the industry. The findings of the research were significant and somewhat alarming: almost 40% of the museum and galleries in New Zealand do not have any emergency plan at all, and only 11% have what they considered ‘complete’ plans. The research revealed a clear picture of the current width and depth of planning, as well as practices around updating the plans and training related to them. Within the industry there is awareness that planning for emergencies is important, but museum staff typically lack the knowledge and guidance needed to conduct effective emergency planning. As a result of the analysis, several practical suggestions are presented aimed at improving emergency planning practices in New Zealand museums. However this study has implications for museum studies and for current museum practice everywhere, as many of the recommendations for resolving the current obstacles and problems are applicable anywhere in the world, suggesting that New Zealand museums could become leaders in this important area.

Audio, Radio New Zealand

Questions to Ministers 1. Dr RUSSEL NORMAN to the Minister of Finance: Does he agree with 57 percent of New Zealanders who, according to a recent UMR poll, support the introduction of a temporary earthquake levy to pay for the rebuilding of Christchurch? 2. Hon PHIL GOFF to the Prime Minister: What, according to the 2010 Investment Statement of the Government of New Zealand, was the average total shareholder return over the last five years from State-owned Enterprises and the average bond rate, and is that consistent with his statement that "it is the Government's intention to use the proceeds of those initial public offerings to actually invest in other assets that the Government would have to fund through the Government bond rate"? 3. DAVID BENNETT to the Minister for Infrastructure: What progress has the Government made on its infrastructure programme? 4. Hon ANNETTE KING to the Prime Minister: Does he stand by his statement "this Government is not prepared to turn its back on our most vulnerable citizens when they most need our help"? 5. Hon JOHN BOSCAWEN to the Acting Minister of Energy and Resources: Is it government policy for New Zealand to become a "highly attractive global destination" for oil exploration, with expansion of the oil and coal sectors leading to a "step change" in the country's economic growth as set out in the document Developing Our Energy Potential; if not, why not? 6. Hon CLAYTON COSGROVE to the Minister for Social Development and Employment: Is the Government considering extending the business assistance package for employers and employees beyond the 14-week period currently signalled; if not, why not? 7. JACQUI DEAN to the Minister of Police: What reports has she received on the latest trends in the level of crime in New Zealand? 8. Hon TREVOR MALLARD to the Prime Minister: Did he tell a meeting in Timaru last week "The entire time I've been Prime Minister I've had Treasury in my office week after week, month after month, telling me South Canterbury Finance was going bankrupt"? 9. CHRIS AUCHINVOLE to the Minister for the Environment: What advice has he received on major resource consents being considered under the Government's new national consenting policy? 10. Dr RUSSEL NORMAN to the Acting Minister of Energy and Resources: Does she agree that the joint scheme initiated by the Green Party and the Government, Warm Up New Zealand: Heat Smart, is the best initiative in the Draft New Zealand Energy Strategy because it is providing hundreds of thousands of New Zealand households with warm, dry, energy efficient homes, and creating thousands of clean green jobs? 11. Hon SHANE JONES to the Minister of Fisheries: Does he still have no major concerns about the way foreign boats were used by New Zealand companies as the Nelson Mail reports he said last year? 12. TIM MACINDOE to the Minister of Housing: What recent announcements has he made regarding the Government's Housing Innovation Fund?

Research papers, University of Canterbury Library

Field surveys and experimental studies have shown that light steel or timber framed plasterboard partition walls are particularly vulnerable to earthquake damage prompting the overarching objective of this research, which is to further the development of low damage seismic systems for non-structural partition walls in order to facilitate their adoption by industry to assist with reducing the losses associated with the maintenance and repair cost of buildings across their design life. In particular, this study focused on the behaviour of steel-framed partition walls systems with novel detailing that aim to be “low-damage” designed according to common practice for walls used in commercial and institutional buildings in New Zealand. This objective was investigated by (1) investigating the performance of a flexible track system proposed by researchers and industry by experimental testing of full-scale specimens; (2) investigating the performance of the seismic gap partition wall systems proposed in a number of studies, further developed in this study with input from industry, by experimental testing of full-scale specimens; and (3) investigating the potential implications of using these systems compared with traditionally detailed partition wall systems within multi-storey buildings using the Performance Based Earthquake Engineering loss assessment methodology. Three full-scale testing frames were designed in order to replicate, under controlled laboratory conditions, the effects of seismic shaking on partition walls within multi-storey buildings by the application of quasi-static uni-directional cyclic loading imposing an inter-storey drift. The typical configuration for test specimens was selected to be a unique “y-shape”, including one angled return wall, with typical dimensions of approximately 2400 mm along the main wall and 600 mm along (approximately) the returns walls with a height of 2405 mm from floor to ceiling. The specimens were aligned within test frames at an oblique angle to the direction of loading in order to investigate bi- directional effects. Three wall specimens with flexible track detailing, two identical plane specimens and the third including a doorway, were tested. The detailing involved removing top track anchors within the proximity of wall intersections, thus allowing the tracks to ‘bow’ out at these locations. Although the top track anchors were specified to be removed the proximity of wall intersections, a construction error was made whereby a single top track slab to concrete anchor was left in at the three-way wall junction. Despite this error, the experimental testing was deemed worthwhile since such errors will also occur in practice and because the behaviour of the wall can be examined with this fixing in mind. The specimens also included an acoustic/fire sealant at the top lining to floor boundary. In addition to providing drift capacities, the force-displacement behaviour is also reported, the dissipated energy was computed, and the parameters of the Wayne-Stewart hysteretic model were fitted to the results. The specimen with the door opening behaved significantly different to the plane specimens: damage to the doorway specimen began as cracking of the wallboard propagating from the corners of the doorway following which the L- and Y- shaped junctions behaved independently, whereas damage to the plane specimens began as cracking of the wallboard at the top of the L-junction and wall system deformed as a single unit. The results suggest that bi-directional behaviour is important even if its impact cannot be directly quantified by the experiments conducted. Damage to sealant implies that the bond between plasterboard and sealant is important for its seismic performance. Careful quality control is advised as defects in the bond may significantly impact its ability to withstand seismic movement. Two specimens with seismic gap detailing were tested: a steel stud specimen and a timber stud specimen. Observed drift capacities were significantly greater than traditional plasterboard partition systems. Equations were used to predict the drift at which damage state 1 (DS1) and damage state 2 (DS2) would initiate. The equation used to estimate the drift at the onset of DS1 accurately predicted the onset of plaster cracking but overestimated the drift at which the gap filling material was damaged. The equation used to predict the onset of DS2 provided a lower bound for both specimens and also when used to predict results of previous experimental tests on seismic gap systems. The gap-filling material reduced the drift at the onset of DS1, however, it had a beneficial effect on the re-centring behaviour of the linings. Out-of-plane displacements and return wall configuration did not appear to significantly impact the onset of plaster cracking in the specimens. A loss assessment according to the PBEE methodology was conducted on four steel MRF case study buildings: (1) a 4-storey building designed for the Christchurch region, (2) a 4-storey building designed for the Wellington region, (3) a 12-storey building designed for the Christchurch region, and (4) a 12- storey building designed for the Wellington region. The fragility parameters for a traditional partition system, the flexible track partition system, and the seismic gap steel stud and timber stud partition systems were included within the loss assessment. The order (lowest to highest) of each system in terms of the expected annual losses of each building when incorporating the system was, (1) the seismic gap timber stud system, (2) the seismic gap steel stud system, (3) the traditional/baseline system, and (4) the flexible track system. For the seismic gap timber stud system, which incurred the greatest reduction in expected annual losses for each case study building, the reduction in expected annual losses in comparison to the losses found when using the traditional system ranged from a 5% to a 30% reduction. This reinforces the fact that while there is a benefit to the using low damage partition systems in each building the extent of reduction in expected annual losses is significantly dependent on the particular building design and its location. The flexible track specimens had larger repair costs at small hazard levels compared to the traditional system but smaller repair costs at larger hazard levels. However, the resulting expected annual losses for the flexible track system was higher than the traditional system which reinforces findings from past studies which observed that the greatest contribution to expected annual losses arises from low to moderate intensity shaking seismic events (low hazard levels).

Research papers, University of Canterbury Library

Seismically vulnerable buildings constitute a major problem for the safety of human beings. In many parts of the world, reinforced concrete (RC) frame buildings designed and constructed with substandard detailing, no consideration of capacity design principles, and improper or no inclusion of the seismic actions, have been identified. Amongst those vulnerable building, one particular typology representative of the construction practice of the years previous to the 1970’s, that most likely represents the worst case scenario, has been widely investigated in the past. The deficiencies of that building typology are related to non-ductile detailing in beam column joints such as the use of plain round bars, the lack of stirrups inside the joint around the longitudinal reinforcement of the column, the use of 180° end hooks in the beams, the use of lap splices in potential ‘plastic hinge’ regions, and substandard quality of the materials. That type of detailing and the lack of a capacity design philosophy create a very fragile fuse in the structure where brittle inelastic behaviour is expected to occur, which is the panel zone region of exterior beam column joints. The non-ductile typology described above was extensively investigated at the University of Canterbury in the context of the project ‘Retrofit Solutions for New Zealand Multi-Storey Buildings’ (2004-2011), founded by the ‘Foundation for Research, Science and Technology’ Tūāpapa Rangahau Pūtaiao. The experimental campaign prior to the research carried out by the author consisted of quasi-static tests of beam column joint subassemblies subjected to lateral loading regime, with constant and varying axial load in the column. Most of those specimens were representative of a plane 2D frame (knee joint), while others represented a portion of a space 3D frame (corner joints), and only few of them had a floor slab, transverse beams, and lap splices. Using those experiments, several feasible, cost-effective, and non-invasive retrofit techniques were developed, improved, and refined. Nevertheless, the slow motion nature of those experiments did not take into account the dynamical component inherent to earthquake related problems. Amongst the set of techniques investigated, the use of FRP layers for strengthening beam column joints is of particular interest due to its versatility and the momentum that its use has gained in the current state of the practice. That particular retrofit technique was previously used to develop a strengthening scheme suitable for plane 2D and space 3D corner beam column joints, but lacking of floor slabs. In addition, a similar scheme was not developed for exterior joints of internal frames, referred here as ‘cruciform’. In this research a 2/5 scale RC frame model building comprising of two frames in parallel (external and internal) joined together by means of floor slabs and transverse beams, with non-ductile characteristics identical to those of the specimens investigated previously by others, and also including lap splices, was developed. In order to investigate the dynamic response of that building, a series of shake table tests with different ground motions were performed. After the first series of tests, the specimen was modified by connecting the spliced reinforcement in the columns in order to capture a different failure mode. Ground motions recorded during seismic events that occurred during the initial period of the experimental campaign (2010) were used in the subsequent experiments. The hierarchy of strengths and sequence of events in the panel zone region were evaluated in an extended version of the bending moment-axial load (M-N) performance domain developed by others. That extension was required due to the asymmetry in the beam cross section introduced by the floor slab. In addition, the effect of the torsion resistance provided by the spandrel (transverse beam) was included. In order to upgrade the brittle and unstable performance of the as-built/repaired specimen, a practical and suitable ad-hoc FRP retrofit intervention was developed, following a partial retrofit strategy that aimed to strengthen exterior beam column joints only (corner and cruciform). The ability of the new FRP scheme to revert the sequence of events in the panel zone region was evaluated using the extended version of the M-N performance domain as well as the guidelines for strengthening plane joints developed by others. Weakening of the floor slab in a novel configuration was also incorporated with the purpose of reducing the flexural capacity of the beam under negative bending moment (slab in tension), enabling the damage relocation from the joint into the beam. The efficacy of the developed retrofit intervention in upgrading the seismic performance of the as-built specimen was investigated using shake table tests with the input motions used in the experiments of the as-built/repaired specimen. Numerical work aimed to predict the response of the model building during the most relevant shake table tests was carried out. By using a simple numerical model with concentrated plasticity elements constructed in Ruaumoko2D, the results of blind and post-experimental predictions of the response of the specimen were addressed. Differences in the predicted response of the building using the nominal and the actual recorded motions of the shake table were investigated. The dependence of the accuracy of the numerical predictions on the assumed values of the parameters that control the hysteresis rules of key structural members was reviewed. During the execution of the experimental campaign part of this thesis, two major earthquakes affected the central part of Chile (27 of February 2010 Maule earthquake) and the Canterbury region in New Zealand (22 February 2011 Canterbury earthquake), respectively. As the author had the opportunity to experience those events and investigate their consequences in structures, the observations related to non-ductile detailing and drawbacks in the state of the practice related to reinforced concrete walls was also addressed in this research, resulting in preliminary recommendations for the refinement of current seismic code provisions and assessment guidelines. The investigations of the ground motions recorded during those and other earthquakes were used to review the procedures related to the input motions used for nonlinear dynamic analysis of buildings as required by most of the current code provisions. Inelastic displacement spectra were constructed using ground motions recorded during the earthquakes mentioned above, in order to investigate the adequacy of modification factors used to obtain reduced design spectra from elastic counterparts. Finally a simplified assessment procedure for RC walls that incorporates capacity compatible spectral demands is proposed.

Audio, Radio New Zealand

Questions to Ministers 1. Hon RODNEY HIDE to the Acting Minister of Energy and Resources: Does she accept her Ministry's advice that the value of New Zealand's onshore minerals excluding hydrocarbons is $194 billion overall with $80 billion estimated in Schedule 4 land; if so, what plans does the Government have to allow their development? 2. Hon PHIL GOFF to the Minister for the Rugby World Cup: What advice has the Prime Minister, the Government or Rugby New Zealand 2011 been given on Christchurch's ability to host Rugby World Cup matches later this year? 3. CHESTER BORROWS to the Minister of Finance: What reports has he received on the economy's prospects after New Zealand meets the immediate challenges of the Christchurch earthquake? 4. Hon DAVID CUNLIFFE to the Minister for Communications and Information Technology: Would he indicate his agreement to a further extension, if it were required, to the report back date for the Telecommunications (TSO, Broadband and Other Matters) Amendment Bill? 5. TE URUROA FLAVELL to the Minister of Agriculture: Is he concerned to learn that New Zealand's first majority Māori-owned dairy company, Miraka, has reportedly stated that there is a serious risk that Fonterra's proposed Trading Among Farmers exchange will be illiquid, volatile and unstable; if so, what assurances can he give Miraka and other dairy processors and industry groups, that anti-competitive behaviour will not be tolerated? 6. Hon DAVID PARKER to the Acting Minister for Economic Development: Has he been advised by the Prime Minister whether his appointment as Acting Minister for Economic Development is temporary or expected to carry on to the election? 7. JO GOODHEW to the Minister of Education: What progress has been made on re-opening Christchurch schools and early childhood education centres since the 22 February earthquake? 8. GRANT ROBERTSON to the Minister of Health: Does he favour the sale of any public hospitals in New Zealand; if so, which one or ones? 9. SIMON BRIDGES to the Minister for Building and Construction: What advice has he received from the Department of Building and Housing regarding last month's Christchurch earthquake? 10. DARIEN FENTON to the Minister of Labour: What factors did she consider in deciding to increase the minimum wage by 25 cents from 1 April in her latest review? 11. CHRIS TREMAIN to the Minister of Transport: What progress has been made on roading projects in the Hawke's Bay region? 12. GARETH HUGHES to the Minister of Finance: What steps, if any, is he taking to reduce New Zealand's economic vulnerability that stems from dependence on oil? Questions to Members 1. Hon DAVID CUNLIFFE to the Chairperson of the Finance and Expenditure Committee: How many submissions have been received so far on the Telecommunications (TSO, Broadband and Other Matters) Amendment Bill? 2. Hon DAVID CUNLIFFE to the Chairperson of the Finance and Expenditure Committee: How many submitters on the Telecommunications (TSO, Broadband and Other Matters) Amendment Bill have requested an oral hearing? 3. Hon DAVID CUNLIFFE to the Chairperson of the Finance and Expenditure Committee: Is he aware of any complaints about times allocated to submitters on the Telecommunications (TSO, Broadband and Other Matters) Amendment Bill?

Research Papers, Lincoln University

4th September 2010 a 7.1 magnitude earthquake strikes near Christchurch, New Zealand’s second largest city of approximately 370,000 people. This is followed by a 6.3 magnitude quake on 22nd February 2011 and a 6.4 on 13th June. In February 181 people died and a state of national emergency was declared from 23 February to 30th April. Urban Search and Rescue teams with 150 personnel from New Zealand and 429 from overseas worked tirelessly in addition to Army, Police and Fire services. Within the central business district 1,000 buildings (of 4,000) are expected to be demolished. An estimated 10,000 houses require demolition and over 100,000 were damaged. Meanwhile the over 7,000 aftershocks have become part of the “new normal” for us all. During this time how have libraries supported their staff? What changes have been made to services? What are the resourcing opportunities? This presentation will provide a personal view from Lincoln University, Te Whare Wanaka o Aoraki, Library Teaching and Learning. Lincoln is New Zealand's third oldest university having been founded in 1878. Publicly owned and operated it is New Zealand's specialist land-based university. Lincoln is based on the Canterbury Plains, 22 kilometres south of Christchurch. On campus there was mostly minor damage to buildings while in the Library 200,000 volumes were thrown from the shelves. I will focus on the experiences of the Disaster Team and on our experiences with hosting temporarily displaced staff and students from the Christchurch Polytechnic Institute of Technology, Library, Learning & Information Services. Experiences from two other institutions will be highlighted: Christchurch City Libraries, Ngā Kete Wānanga-o-Ōtautahi. Focusing on the Māori Services Team and the Ngā Pounamu Māori and Ngāi Tahu collections. The Central library located within the red zone cordon has been closed since February, the Central library held the Ngā Pounamu Māori and Ngai Tahu collections, the largest Māori collections in the Christchurch public library network. The lack of access to these collections changed the way the Māori Services Team, part of the larger Programmes, Events and Learning Team at Christchurch City Libraries were able to provide services to their community resulting in new innovative outreach programmes and a focus on promotion of online resources. On 19th December the “temporary” new and smaller Central library Peterborough opened. The retrieved Ngā Pounamu Māori and Ngai Tahu collections "Ngā rakau teitei e iwa”, have since been re-housed and are once again available for use by the public. Te Rūnanga o Ngāi Tahu. This organisation, established by the Te Rūnanga o Ngāi Tahu Act 1996, services the statutory rights for the people of Ngāi Tahu descent and ensures that the benefits of their Treaty Claim Settlement are enjoyed by Ngāi Tahu now and in the future. Ngāi Tahu are the indigenous Māori people of the southern islands of New Zealand - Te Waipounamu. The iwi (people) hold the rangatiratanga or tribal authority to over 80 per cent of the South Island. With their headquarters based in the central business they have also had to be relocated to temporary facilities. This included their library/archive collection of print resources, art works and taonga (cultural treasures).

Research papers, University of Canterbury Library

“much of what we know about leadership is today redundant because it is literally designed for a different operating model, a different context, a different time” (Pascale, Sternin, & Sternin, p. 4). This thesis describes a project that was designed with a focus on exploring ways to enhance leadership capacity in non-government organisations operating in Christchurch, New Zealand. It included 20 CEOs, directors and managers from organisations that cover a range of settings, including education, recreation, and residential and community therapeutic support; all working with adolescents. The project involved the creation of a peer-supported professional learning community that operated for 14 months; the design and facilitation of which was informed by the Appreciative Inquiry principles of positive focus and collaboration. At the completion of the research project in February 2010, the leaders decided to continue their collective processes as a self-managing and sustaining professional network that has grown and in 2014 is still flourishing under the title LYNGO (Leaders of Youth focussed NGOs). Two compelling findings emerged from this research project. The first of these relates to efficacy of a complexity thinking framework to inform the actions of these leaders. The leaders in this project described the complexity thinking framework as the most relevant, resonant and dynamic approach that they encountered throughout the research project. As such this thesis explores this complexity thinking informed leadership in detail as the leaders participating in this project believed it offers an opportune alternative to more traditional forms of positional leadership and organisational approaches. This exploration is more than simply a rationale for complexity thinking but an iterative in-depth exploration of ‘complexity leadership in action’ which in Chapter 6 elaborates on detailed leadership tools and frameworks for creating the conditions for self-organisation and emergence. The second compelling finding relates to efficacy of Appreciative Inquiry as an emergent research and development process for leadership learning. In particular the adoption of two key principles; positive focus and inclusivity were beneficial in guiding the responsive leadership learning process that resulted in a professional learning community that exhibited high engagement and sustainability. Additionally, the findings suggest that complexity thinking not only acts as a contemporary framework for adaptive leadership of organisations as stated above; but that complexity thinking has much to offer as a framework for understanding leadership development processes through the application of Appreciative Inquiry (AI)-based principles. A consideration of the components associated with complexity thinking has promise for innovation and creativity in the development of leaders and also in the creation of networks of learning. This thesis concludes by suggesting that leaders focus on creating hybrid organisations, ones which leverage the strengths (and minimise the limitations) of self-organising complexity-informed organisational processes, while at the same time retaining many of the strengths of more traditional organisational management structures. This approach is applied anecdotally to the place where this study was situated: the post-earthquake recovery of Christchurch, New Zealand.

Research papers, Victoria University of Wellington

In the aftermath of the 2011 earthquake, a state of polycentric urbanity was thrust upon New Zealand’s second largest city. As the city-centre lay in disrepair, smaller centres started to materialise elsewhere, out of necessity. Transforming former urban peripheries and within existing suburbs into a collective, dispersed alternative to the city centre, these sub-centres prompted a range of morphological, socio-cultural and political transformations, and begged multiple questions: how to imbue these new sub-centres with gravity? How to render them a genuine alternative to the CBD? How do they operate within the wider city? How to cope with the physical and cultural transformations of this shifting urbanscape and prevent them occurring ad lib? Indeed, the success and functioning of the larger urban structure hinges upon a critical, informed response to these sub-centre urban contexts. Yet, with an unrelenting focus on the CBD rebuild - effectively a polycentric denial - little such attention has been granted.  Taking this urban condition as its premise and its provocation, this thesis investigates architecture’s role in the emergent sub-centre. It asks: what can architecture do in these urban contexts; how can architecture act upon the emergent sub-centre in a critical, catalytic fashion? Identifying this volatile condition as both an opportunity for architectural experimentation and a need for critical architectural engagement, this thesis seeks to explore the sub-centre (as an idea and actual urban context) as architecture’s project: its raison d’etre, impetus and aspiration.  These inquiries are tested through design-led research: an initial design question provoking further, broader discursive research (and indeed, seeking broader implications). The first section is a site-specific, design for Sumner, Christchurch. Titled ‘An Agora Anew’; this project - both in conception and outcome - is a speculative response to a specific sub-centre condition. The second section ‘The Sub-centre as Architecture’s Project’ explores the ideas provoked by the design project within a discursive framework. Firstly it identifies the sub-centre as a context in desperate need of architectural attention (why architecture?); secondly, it negotiates a possible agenda for architecture in this context through terms of engagement that are formal, critical and opportunistic (how architecture?): enabling it to take a position on and in the sub-centre. Lastly, a critical exegesis positions the design in regards to the broader discursive debate: critiquing it an architectural project predicated upon the idea of the sub-centre.  The implications of this design-led thesis are twofold: firstly, for architecture’s role in the sub-centre (especially to Christchurch); secondly for the possibilities of architecture’s productive engagement with the city (largely through architectural form), more generally. In a century where radical, new urban contexts (of which the sub-centre is just one) are commonplace, this type of thinking – what can architecture do in the city? - is imperative.

Research papers, The University of Auckland Library

Though generally considered “natural” disasters, cyclones and earthquakes are increasingly being associated with human activities, incubated through urban settlement patterns and the long-term redistribution of natural resources. As society is becoming more urbanized, the risk of human exposure to disasters is also rising. Architecture often reflects the state of society’s health: architectural damage is the first visible sign of emergency, and reconstruction is the final response in the process of recovery. An empirical assessment of architectural projects in post-disaster situations can lead to a deeper understanding of urban societies as they try to rebuild. This thesis offers an alternative perspective on urban disasters by looking at the actions and attitudes of disaster professionals through the lens of architecture, situated in recent events: the 2010 Christchurch earthquake, the 2010 Haiti earthquake, and the 2005 Hurricane Katrina. An empirical, multi-hazard, cross-sectional case study methodology was used, employing grounded theory method to build theory, and a critical constructivist strategy to inform the analysis. By taking an interdisciplinary approach to understanding disasters, this thesis positions architecture as a conduit between two divergent approaches to disaster research: the hazards approach, which studies the disaster cycles from a scientific perspective; and the sociological approach, which studies the socially constructed vulnerabilities that result from disasters, and the elements of social change that accompany such events. Few studies to date have attempted to integrate the multi-disciplinary perspectives that can advance our understanding of societal problems in urban disasters. To bridge this gap, this thesis develops what will be referred to as the “Rittelian framework”—based on the work of UC Berkeley’s architecture professor Horst Rittel (1930-1990). The Rittelian framework uses the language of design to transcend the multiple fields of human endeavor to address the “design problems” in disaster research. The processes by which societal problems are addressed following an urban disaster involve input by professionals from multiple fields—including economics, sociology, medicine, and engineering—but the contribution from architecture has been minimal to date. The main impetus for my doctoral thesis has been the assertion that most of the decisions related to reconstruction are made in the early emergency recovery stages where architects are not involved, but architects’ early contribution is vital to the long-term reconstruction of cities. This precipitated in the critical question: “How does the Rittelian framework contribute to the critical design decisions in modern urban disasters?” Comparative research was undertaken in three case studies of recent disasters in New Orleans (2005), Haiti (2010) and Christchurch (2010), by interviewing 51 individuals who were selected on the basis of employing the Rittelian framework in their humanitarian practice. Contextualizing natural disaster research within the robust methodological framework of architecture and the analytical processes of sociology is the basis for evaluating the research proposition that architectural problem solving is of value in addressing the ‘Wicked Problems’ of disasters. This thesis has found that (1) the nuances of the way disaster agents interpret the notion of “building back better” can influence the extent to which architectural professionals contribute in urban disaster recovery, (2) architectural design can be used to facilitate but also impede critical design decisions, and (3) framing disaster research in terms of design decisions can lead to innovation where least expected. This empirical research demonstrates how the Rittelian framework can inform a wider discussion about post-disaster human settlements, and improve our resilience through disaster research.

Research papers, Victoria University of Wellington

The demand for a new approach to safeguarding New Zealand’s endangered historic buildings was identified as a result of the recent increase in building code and strengthening requirements following the Christchurch earthquakes of 2010-2011. The Wellington City Council identified 266 heritage buildings in the city that must be either strengthened or demolished to address these increased requirements. This thesis explores this threat as an opportunity for researching how contemporary design interventions can be challenged to both strengthen and become active participants in the ongoing history of New Zealand’s potentially endangered historic buildings. This thesis challenges the current approach of completely ‘restoring’ 19th-20th century historic buildings in New Zealand, to develop techniques that structurally reinforce historic buildings while inviting the progressive weathering of a building to remain as a testament to its history. This thesis proposes a structural intervention that is responsive to the progressive history of historic buildings, simultaneously introducing a contemporary structural intervention that both participates in and compliments the progressive historic transformations of the vehicle. This thesis argues that current historic buildings in semi-decayed states in fact enable visitors to witness multiple stages in the life of a building, while fully restored buildings only enable visitors to witness the original form of the building. This thesis proposes a model for contemporary intervention within historic buildings that draws a design intervention from seismic strengthening.The notion of layering is explored as a design approach to incorporate the contemporary with the historic as an additional layer of exposed on-going history, thereby further exposing the layers of history evident within New Zealand’s historic buildings. This thesis combines layering theories of architects Louis Kahn and Carlo Scarpa with related theories of installation artist Mary Miss. The theoretical imperatives of Scarpa and Kahn are explored as a tool of engagement for the junction between the contemporary and historic building materials, and the work of Marry Miss is explored as a design approach for developing a contemporary intervention that references the layered historic building while inviting new means of occupancy between layers. The selected vehicle for the design research investigation is the Albemarle Hotel on Ghuznee Street in Wellington. The techniques proposed in this thesis to strengthen the Albemarle Hotel suggest an approach that might be applied to New Zealand’s wider body of historic buildings that constitute New Zealand’s heritage fabric, ultimately protecting them from demolition while preserving additional layers of their historic narratives. Over all the design research experiments suggest that contemporary interventions derived from structural strengthening may be a viable and cost-effective method of re-inhabiting New Zealand’s endangered heritage buildings, avoiding demolition and securing New Zealand’s heritage for future generations. Research Questions: This thesis challenges the current economically unsustainable approach of laterally reinforcing and completely ‘restoring’ 19th-20th century historic buildings in New Zealand. This thesis argues that current historic buildings in semi-decayed states in fact enable visitors to witness multiple stages in the on-going life of a building. Can the weathered state of New Zealand's heritage buildings be proactively retained and celebrated as witnesses to their history? Can new lateral reinforcing requirements be conceived as active participants in revealing the on-going history of New Zealand's historic buildings?

Research papers, The University of Auckland Library

A non-destructive hardness testing method has been developed to investigate the amount of plastic strain demand in steel elements subjected to cyclic loading. The focus of this research is on application to the active links of eccentrically braced frames (EBFs), which are a commonly used seismic-resisting system in modern steel framed buildings. The 2010/2011 Christchurch earthquake series, especially the very intense February 22 shaking, which was the first earthquake worldwide to push complete EBF systems fully into their inelastic state, generating a moderate to high level of plastic strain in EBF active links, for a range of buildings from 3 to 23 storeys in height. This raised two important questions: 1) what was the extent of plastic deformation in active links; and 2) what effect does that have to post-earthquake steel properties? This project comprised determining a robust relationship between hardness and plastic strain in order to be able to answer the first question and provide the necessary input into answering the second question. A non-destructive Leeb (portable) hardness tester (model TH170) has been used to measure the hardness, in order to determine the plastic strain, in hot rolled steel universal sections and steel plates. A bench top Rockwell B was used to compare and validated the hardness measured by the portable hardness tester. Hardness was measured from monotonically strained tensile test specimens to identify the relationship between hardness and plastic strain demand. Test results confirmed a good relationship between hardness and the amount of monotonically induced plastic strain. Surface roughness was identified as an important parameter in obtaining reliable hardness readings from a portable hardness reader. A proper surface preparation method was established by using three different cleaning methods, finished with hand sanding to achieve surface roughness coefficients sufficiently low not to distort the results. This work showed that a test surface roughness (Ra) is not more than 1.6 micron meter (μm) is required for accurate readings from the TH170 tester. A case study on an earthquake affected building was carried out to identify the relationship between hardness and amount of plastic strain demand in cyclically deformed active links. Hardness was carried out from active links shown visually to have been the most affected during one of the major earthquake events. Onsite hardness test results were then compared with laboratory hardness test results. A good relationship between hardness from onsite and laboratory was observed between the test methods; Rockwell B bench top and portable Leeb tester TH170. Manufacturing induced plastic strain in the top and bottom of the webs of hot rolled sections were discovered from this research, an important result which explains why visual effects of earthquake induced active link yielding (eg cracked or flaking paint) was typically more prevalent over the middle half depth of the active link. The extent of this was quantified. It was also evident that the hardness readings from the portable hardness tester are influenced by geometry, mass effects and rigidity of the links. The final experimental stage was application of the method to full scale cyclic inelastic tested nominally identical active links subjected to loading regimes comprising constant and variable plastic strain demands. The links were cyclically loaded to achieve different plastic strain level. A novel Digital Image Correlation (DIC) technique was incorporated during the tests of this scale, to confirm the level of plastic strain achieved. Tensile test specimens were water jet cut from cyclically deformed webs to analyse the level of plastic strain. Test results show clear evidence that cyclically deformed structural steel elements show good correlation between hardness and the amount of plastic strain demand. DIC method was found to be reliable and accurate to check the level of plastic strain within cyclically deformed structural steel elements.

Research papers, Victoria University of Wellington

As cities evolve, change and grow, the need and desire for adaptable architecture becomes evident across the nation. Architecture needs to undertake techniques that are flexible in order to adapt and align with the development of future generations in New Zealand.  The Education industry is a primary example of a sector which requires flexibility within both classroom architectural form and interior configuration. This is a resultant of the recently updated Ministry of Education requirements; which state that every new classroom built or renovated nationwide, must implement the MoE classroom design standards for Innovative Learning Environments.  ILE teaching spaces are configured as an open plan interior, supporting flexibility in classroom arrangement and teaching techniques. ILE classrooms are capable of evolving and adapting as educational practices evolve and change, allowing schools to remain modern and future focused.  As part of this movement to ILE, the Ministry of Education has also recently made an attempt to improve the quality of temporary classrooms. This has been done by looking into the initiation of a programme that utilizes relocatable classroom buildings. Relocatable classrooms have been selected for multiple reasons, primarily flexibility. Flexibility is key for a school environment as it allows the school to actively respond to fluctuating school rolls. It is anticipated that the programme will provide a faster delivery process with a standardised design that allows the classrooms to be relocated from one school to another with relative ease.  Following the devastating February 2011 earthquake the Greater Christchurch Region, the Education sector is in the midst of the Canterbury Schools Rebuild Programme. As a repercussion of this natural disaster, the majority of Christchurch schools have redevelopment or rebuild projects in progress, with preliminary design phases already in action for a small group of select schools regarded as high priority.  The primary funding for these projects are sourced from insurance money, implementing tight budget restrictions, affecting the architectural design, quality and speed of the construction and repair works. The available funding limits the affordable classroom options to basic teaching spaces that have been stripped back to simple architectural forms, dictating not only the re-design, but also how our future generations will learn. Thus causing the development of the new student-led learning ILE concept to become controlled by existing construction techniques and the Rebuild Programmes budget restrictions.  This thesis focuses on the future proofing of New Zealand schools by providing an affordable and time efficient alternative option to the current static, traditional construction, an option that has the ability to cater to the unpredictable fluctuating school rolls across the nation.  This has been done by developing a prefabricated system for standalone classroom blocks. These blocks have the ability to be relocated between different school sites, dynamically catering to the unpredictable school roll numbers experienced across New Zealand. This site flexibility is reflected with the interior flexibility in the classrooms, enhancing the internal teaching space composition and challenges the existing design standards set by the Ministry of Education for Innovative Learning Environments. This system is called “Flexi-Ed”.  Flexibility has been a key driver for this thesis, as the prefabricated structure is have to be flexible in three ways; first in the sense of being easy to assemble and disassemble. Second by offering flexible interior learning environments and thirdly the joints of the structure are designed with the ability to be flexible in order to cope with seismic activity. These three principles will provide schools with long term flexibility, minimal on-site interruption and heighten the standard of ILE across the nation.  I strive to provide schools with long term flexibility and minimal site interruption, whilst heightening the standard of Innovative Learning Environments across New Zealand.

Research papers, University of Canterbury Library

Recent surface-rupturing earthquakes in New Zealand have highlighted significant exposure and vulnerability of the road network to fault displacement. Understanding fault displacement hazard and its impact on roads is crucial for mitigating risks and enhancing resilience. There is a need for regional-scale assessments of fault displacement to identify vulnerable areas within the road network for the purposes of planning and prioritising site-specific investigations. This thesis employs updated analysis of data from three historical surface-rupturing earthquakes (Edgecumbe 1987, Darfield 2010, and Kaikoūra 2016) to develop an empirical model that addresses the gap in regional fault displacement hazard analysis. The findings contribute to understanding of • How to use seismic hazard model inputs for regional fault displacement hazard analysis • How faulting type and sediment cover affects the magnitude and spatial distribution of fault displacement • How the distribution of displacement and regional fault displacement hazard is impacted by secondary faulting • The inherent uncertainties and limitations associated with employing an empirical approach at a regional scale • Which sections of New Zealand’s roading network are most susceptible to fault displacement hazard and warrant site-specific investigations • Which regions should prioritise updating emergency management plans to account for post-event disruptions to roading. I used displacement data from the aforementioned historical ruptures to generate displacement versus distance-to-fault curves for various displacement components, fault types, and geological characteristics. Using those relationships and established relationships for along-strike displacement, displacement contours were generated surrounding active faults within the NZ Community Fault Model. Next, I calculated a new measure of 1D strain along roads as well as relative hazard, which integrated 1D strain and normalised slip rate data. Summing these values at the regional level identified areas of heightened relative hazard across New Zealand, and permits an assessment of the susceptibility of road networks using geomorphon land classes as proxies for vulnerability. The results reveal that fault-parallel displacements tend to localise near the fault plane, while vertical and fault-perpendicular displacements sustain over extended distances. Notably, no significant disparities were observed in off-fault displacement between the hanging wall and footwall sides of the fault, or among different surface geology types, potentially attributed to dataset biases. The presence of secondary faulting in the dataset contributes to increased levels of tectonic displacement farther from the fault, highlighting its significance in hazard assessments. Furthermore, fault displacement contours delineate broader zones around dip-slip faults compared to strike-slip faults, with correlations identified between fault length and displacement width. Road ‘strain’ values are higher around dip-slip faults, with notable examples observed in the Westland and Buller Districts. As expected, relative hazard analysis revealed elevated values along faults with high slip rates, notably along the Alpine Fault. A regional-scale analysis of hazard and exposure reveals heightened relative hazard in specific regions, including Wellington, Southern Hawke’s Bay, Central Bay of Plenty, Central West Coast, inland Canterbury, and the Wairau Valley of Marlborough. Notably, the Central West Coast exhibits the highest summed relative hazard value, attributed to the fast-slipping Alpine Fault. The South Island generally experiences greater relative hazard due to larger and faster-slipping faults compared to the North Island, despite having fewer roads. Central regions of New Zealand face heightened risk compared to Southern or Northern regions. Critical road links intersecting high-slipping faults, such as State Highways 6, 73, 1, and 2, necessitate prioritisation for site-specific assessments, emergency management planning and targeted mitigation strategies. Roads intersecting with the Alpine Fault are prone to large parallel displacements, requiring post-quake repair efforts. Mitigation strategies include future road avoidance of nearby faults, modification of road fill and surface material, and acknowledgement of inherent risk, leading to prioritised repair efforts of critical roads post-quake. Implementing these strategies enhances emergency response efforts by improving accessibility to isolated regions following a major surface-rupturing event, facilitating faster supply delivery and evacuation assistance. This thesis contributes to the advancement of understanding fault displacement hazard by introducing a novel regional, empirical approach. The methods and findings highlight the importance of further developing such analyses and extending them to other critical infrastructure types exposed to fault displacement hazard in New Zealand. Enhancing our comprehension of the risks associated with fault displacement hazard offers valuable insights into various mitigation strategies for roading infrastructure and informs emergency response planning, thereby enhancing both national and global infrastructure resilience against geological hazards.

Research papers, University of Canterbury Library

This project was initiated by ENGEO Limited and KiwiRail Holdings Limited to assess the stability of Slovens Creek Viaduct (specifically its western abutment) and a 3km section of rail corridor between Slovens Creek Viaduct and Avoca on the Midland Line (MDL). Commonly known as the scenic TranzAlpine rail journey (through Arthurs Pass National Park) the MDL connects Greymouth to Christchurch via Rolleston, where the MDL meets the Main South Line into Christchurch. The project area is approximately 40km southeast of Arthurs Pass Township, in the eastern extension of the Castle Hill Basin which is part of the Waimakariri Catchment and Canterbury Foothills. The field area is underlain by Rakaia Terrane, which is part of the Torlesse Composite Terrane forming the basement rock unit for the field area. Cretaceous-Tertiary rocks of the Castle Hill Basin overlie the basement strata and record a transgression-regression sequence, as well as mid-Oligocene submarine volcanism. The stratigraphic sequence in the Castle Hill Basin, and its eastern extension to Avoca, comprises two formations of the Eyre group, the older Broken River Formation and the younger Iron Creek Formation. Deep marine Porter Group limestones, marls, and tuffs of Oligocene age succeed the Iron Creek Formation of the Eyre Group, and probably records the maximum of the transgression. The Enys Formation lies disconformably on the Porter Group and is overlain unconformably by Late Pleistocene glacifluvial and glacial deposits. The Tertiary strata in the Slovens-Avoca rail corridor are weak, and the clay-rich tuff derived from mid-Oligocene volcanism is particularly prone to slaking. Extensive mapping carried out for this project has identified that some 90 percent of the surface along the length of the Slovens-Avoca corridor has been subject to mass movement. The landslides of the Slovens-Avoca rail corridor are clearly younger than the Last Glaciation, and Slovens Creek has been downcutting, with associated faulting and uplift, to form the present day geomorphology of the rail corridor. Deep-seated landslides in the rail corridor extend to Slovens Creek, locally deflecting the stream course, and a generic ground failure model for the rail corridor has been developed. Exploratory geotechnical investigations, including core drilling, installation of an inclinometer and a piezometer, enabled the construction of a simple ground model and cross section for the Slovens Creek Viaduct western abutment. Limit-equilibrium and pseudo-static slope stability analyses using both circular and block critical slip surface search methods were applied to the ground model for the western abutment of Slovens Creek Viaduct. Piezometric and strength data obtained during laboratory testing of core material have been used to constrain the western abutment stability assessment for one representative section line (C-C’). Prior to pseudo-static sensitivity analyses peak ground acceleration (PGA) for various Ultimate Limit State (ULS) design return periods, defined by an equation given in NZS1170.5:2004, were calculated and have been used as a calibration technique to find and compare specific PGA values for pseudo-static analyses in the Slovens Creek Viaduct area. The main purpose has been to provide an indication of how railway infrastructure could be affected by seismic events of various return periods defined by ULS design standards for the area. Limit equilibrium circular slip surface search methods, both grid search and auto refine search, indicated the slope is stable with a FoS greater than 1.0 returned from each, although one particular surface returned the lowest FoS in each. This surface is in the lower portion of the slope, adjacent to Slovens Stream and northeast of the MDL. As expected, pseudo-static analyses returned a lower FoS overall when compared to limit equilibrium analyses. The PGA analyses suggest that partial ground failure at the Slovens Creek Viaduct western abutment could occur in a 1 in 25-year return period event within materials on the slower slope beyond the immediate rail corridor. A ULS (1 in 500-year) event in the Slovens Creek Viaduct area would likely produce a PGA of ~0.9g, and the effects on the western abutment and rail infrastructure would most likely be catastrophic. Observed ground conditions for the western abutment of the Slovens Creek Viaduct suggest there is no movement within the landslide at depth within the monitoring timeframe of this project (22 May 2015 – 4 August 2015). Slope stability monitoring is recommended to be continued in two parts: (1) the inclinometer in BH1 is to be monitored on a six monthly basis for one year following completion of this thesis, and then annually unless ground movements become evident; and (2) surface movement monitoring should be installed using a fixed datum on the stable eastern abutment. Long-term stability management strategies for the Slovens Creek Viaduct western abutment are dependent upon future observed changes and ongoing monitoring. Hazard and risk assessment using the KiwiRail Qualitative Risk Assessment Framework (QRA) is recommended, and if slope stability becomes problematic for operation of the Midland Line consideration should be given to deep slope drainage. In the event of a large magnitude or high PGA earthquake all monitoring should be reviewed.

Research papers, The University of Auckland Library

In September 2010 and February 2011 the Canterbury region of New Zealand was struck by two powerful earthquakes, registering magnitude 7.1 and 6.3 respectively on the Richter scale. The second earthquake was centred 10 kilometres south-east of the centre of Christchurch (the region’s capital and New Zealand’s third most populous urban area, with approximately 360,000 residents) at a depth of five kilometres. 185 people were killed, making it the second deadliest natural disaster in New Zealand’s history. (66 people were killed in the collapse of one building alone, the six-storey Canterbury Television building.) The earthquake occurred during the lunch hour, increasing the number of people killed on footpaths and in buses and cars by falling debris. In addition to the loss of life, the earthquake caused catastrophic damage to both land and buildings in Christchurch, particularly in the central business district. Many commercial and residential buildings collapsed in the tremors; others were damaged through soil liquefaction and surface flooding. Over 1,000 buildings in the central business district were eventually demolished because of safety concerns, and an estimated 70,000 people had to leave the city after the earthquakes because their homes were uninhabitable. The New Zealand Government declared a state of national emergency, which stayed in force for ten weeks. In 2014 the Government estimated that the rebuild process would cost NZ$40 billion (approximately US$27.3 billion, a cost equivalent to 17% of New Zealand’s annual GDP). Economists now estimate it could take the New Zealand economy between 50 and 100 years to recover. The earthquakes generated tens of thousands of insurance claims, both against private home insurance companies and against the New Zealand Earthquake Commission, a government-owned statutory body which provides primary natural disaster insurance to residential property owners in New Zealand. These ranged from claims for hundreds of millions of dollars concerning the local port and university to much smaller claims in respect of the thousands of residential homes damaged. Many of these insurance claims resulted in civil proceedings, caused by disputes about policy cover, the extent of the damage and the cost and/or methodology of repairs, as well as failures in communication and delays caused by the overwhelming number of claims. Disputes were complicated by the fact that the Earthquake Commission provides primary insurance cover up to a monetary cap, with any additional costs to be met by the property owner’s private insurer. Litigation funders and non-lawyer claims advocates who took a percentage of any insurance proceeds also soon became involved. These two factors increased the number of parties involved in any given claim and introduced further obstacles to resolution. Resolving these disputes both efficiently and fairly was (and remains) central to the rebuild process. This created an unprecedented challenge for the justice system in Christchurch (and New Zealand), exacerbated by the fact that the Christchurch High Court building was itself damaged in the earthquakes, with the Court having to relocate to temporary premises. (The High Court hears civil claims exceeding NZ$200,000 in value (approximately US$140,000) or those involving particularly complex issues. Most of the claims fell into this category.) This paper will examine the response of the Christchurch High Court to this extraordinary situation as a case study in innovative judging practices and from a jurisprudential perspective. In 2011, following the earthquakes, the High Court made a commitment that earthquake-related civil claims would be dealt with as swiftly as the Court's resources permitted. In May 2012, it commenced a special “Earthquake List” to manage these cases. The list (which is ongoing) seeks to streamline the trial process, resolve quickly claims with precedent value or involving acute personal hardship or large numbers of people, facilitate settlement and generally work proactively and innovatively with local lawyers, technical experts and other stakeholders. For example, the Court maintains a public list (in spreadsheet format, available online) with details of all active cases before the Court, listing the parties and their lawyers, summarising the facts and identifying the legal issues raised. It identifies cases in which issues of general importance have been or will be decided, with the expressed purpose being to assist earthquake litigants and those contemplating litigation and to facilitate communication among parties and lawyers. This paper will posit the Earthquake List as an attempt to implement innovative judging techniques to provide efficient yet just legal processes, and which can be examined from a variety of jurisprudential perspectives. One of these is as a case study in the well-established debate about the dialogic relationship between public decisions and private settlement in the rule of law. Drawing on the work of scholars such as Hazel Genn, Owen Fiss, David Luban, Carrie Menkel-Meadow and Judith Resnik, it will explore the tension between the need to develop the law through the doctrine of precedent and the need to resolve civil disputes fairly, affordably and expeditiously. It will also be informed by the presenter’s personal experience of the interplay between reported decisions and private settlement in post-earthquake Christchurch through her work mediating insurance disputes. From a methodological perspective, this research project itself gives rise to issues suitable for discussion at the Law and Society Annual Meeting. These include the challenges in empirical study of judges, working with data collected by the courts and statistical analysis of the legal process in reference to settlement. September 2015 marked the five-year anniversary of the first Christchurch earthquake. There remains widespread dissatisfaction amongst Christchurch residents with the ongoing delays in resolving claims, particularly insurers, and the rebuild process. There will continue to be challenges in Christchurch for years to come, both from as-yet unresolved claims but also because of the possibility of a new wave of claims arising from poor quality repairs. Thus, a final purpose of presenting this paper at the 2016 Meeting is to gain the benefit of other scholarly perspectives and experiences of innovative judging best practice, with a view to strengthening and improving the judicial processes in Christchurch. This Annual Meeting of the Law and Society Association in New Orleans is a particularly appropriate forum for this paper, given the recent ten year anniversary of Hurricane Katrina and the plenary session theme of “Natural and Unnatural Disasters – human crises and law’s response.” The presenter has a personal connection with this theme, as she was a Fulbright scholar from New Zealand at New York University in 2005/2006 and participated in the student volunteer cleanup effort in New Orleans following Katrina. http://www.lawandsociety.org/NewOrleans2016/docs/2016_Program.pdf

Research papers, University of Canterbury Library

The assessment of damage and remaining capacity after an earthquake is an immediate measure to determine whether a reinforced concrete (RC) building is usable and safe for occupants. The recent Christchurch earthquake (22 February 2011) caused a uniquely severe level of structural damage to modern buildings, resulting in extensive damage to the building stock. About 60% of damaged multistorey concrete buildings (3 storeys and up) were demolished after the earthquake, and the cost of reconstruction amounted to 40 billion NZD. The aftermath disclosed issues of great complexities regarding the future of the RC buildings damaged by the earthquakes. This highlighted the importance of post-event decision-making, as the outcome will allow the appropriate course of action—demolition, repair or acceptance of the existing building—to be considered. To adopt the proper strategy, accurate assessment of the residual capacity and the level of damage is required. This doctoral dissertation aims to assess the damage and remaining capacity at constituent material and member level (i.e., concrete material and beams) through a systematic approach in an attempt to address part of an existing gap in the available literature. Since the residual capacity of RC members is not unique and depends on previously applied loading history, post-event residual capacity in this study was assessed in terms of fraction of fatigue life (i.e., the number of cycles required to failure). This research comprises three main parts: (1) residual capacity and damage assessment at material level (i.e., concrete), (2) post-yield bond deterioration and damage assessment at the interface of steel and concrete, and, finally, (3) residual capacity and damage assessment at member level (i.e., RC beam). The first part of this research focused on damage assessment and the remaining capacity of concrete from a material point of view. It aimed to employ appropriate and reliable durability-based testing and image-detection techniques to quantify deterioration in the mechanical properties of concrete on the basis that stress-induced damage occurred in the microstructural system of the concrete material. To this end, in the first phase, a feasibility study was conducted in which a combination of oxygen permeability, electrical resistivity and porosity tests were assessed to determine if they were robust and reliable enough to reveal damage which occurred in the microstructural system of concrete. The results, in terms of change in permeability, electrical resistivity and porosity features of disk samples taken from the middle third of damaged concrete cylinders (200 mm × 100 mm) monotonically pre-loaded to 50%, 70%, 90% and 95% of the ultimate strength (f′c), showed the permeability test is a reliable tool to identify the degree of damage, due to its high sensitivity to the load-induced microcracking. In parallel, to determine the residual capacity, the companion damaged concrete cylinders already loaded to the same level of compressive strength were reloaded up to failure. Comparing the stress–strain relationship of damaged concrete with intact material, it was also found that the strain capacity of the reloaded pre-damaged concrete cylinders decreases while strength remained virtually unchanged. In the second phase of the first part, a fluorescent microscopy technique was used to assess the damage and develop a correlation between material degradation, by virtue of the geometrical features, and damage to the concrete. To account for the effect of confinement and cyclic loading, in the third phase, the residual capacity and damage assessment of unconfined and GFRP confined concrete cylinders subjected to low-cycle fatigue loading, was investigated. Similar to the first phase, permeability testing technique was used to provide an indirect evaluation of fatigue damage. Finally, in the fourth phase of the first part, the suitability of permeability testing technique to assess damage was evaluated for cored concrete taken from three types of RC members: columns, beams and a beam-column joint. In view of the fact that the composite action of an RC member is highly dependent on the bond between reinforcement and surrounding concrete, understanding the deterioration of the bond in the post-yield range of strain in steel was crucial to assess damage at member level. Therefore, in the second phase of this research, a state-of-the- art distributed fibre optic strain sensor system (DFOSSS) system was used to evaluate bond deterioration in a cantilever RC beam subjected to monotonic lateral loading. The technology allowed the continuous capture of strain, every 2.6 mm along the length, in both reinforcing bars and cover concrete. The strain profile provided a basis by which the slip, axial stress and bond stress distributions were then established. In the third part, the study focused on the damage assessment and residual capacity of seven half-scale RC beams subjected to a constant-amplitude cyclic loading protocol. In the first stage, the structural performances of three specimens under constant-amplitude fatigue at 1%, 2% and 4% chord rotation (drift) were examined. In parallel, the number of cycles to failure, degradation in strength, stiffness and energy dissipation were characterized. In the second stage, four RC beams were subjected to loading up to 70% and 90% of their fatigue life, at 2% and 4% drift, and then monotonically pulled up to failure. To determine the residual flexural capacity, the lateral force–displacement results of pre-damaged specimens were compared with an undamaged specimen subjected to only monotonic loading. The study showed significant losses in strength, deformability, stiffness and energy dissipation capacity. A nonlinear finite element analysis (FEA) using concrete damage plasticity (CDP) model was also conducted in ABAQUS to numerically investigate the behaviour of the tested specimen. The results of the FE simulations indicated a reasonable response compared with the behaviour of the test specimen in terms of force–displacement and cracking pattern. During the Christchurch earthquake it was observed that the loading history has a significant influence on structural responses. While in conventional pseudo-static loading protocol, internal forces can be redistributed along the plastic length: there is little chance for structures undergoing high initial loading amplitude to redistribute pertinent stresses. As a result, in the third phase of this part, the effect of high rate of loading on the behaviour of seismically designed RC beams was investigated. Two half-scale cantilever RC beams were subjected to similar constant-amplitude cyclic loading at 2% and 4% drifts, but at a rate of 500 mm/s. Due to the incapability of conventional measuring techniques, a motion-tracking system was employed for data acquisition with the high-speed tests. The effect of rate of loading on the fatigue life of specimens (i.e., the number of cycles required to failure), secant stiffness, failure mode, cracking pattern, beam elongations and bar fracture surface were analysed. Integrating the results of all parts of this research has resulted in a better understanding of residual capacity and the development of damage at both the material and member level by using a low-cycle fatigue approach.