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Research papers, University of Canterbury Library

The Canterbury earthquakes have generated economic demand and supply volatility, highlighting geographical and structural interdependencies. Post-earthquake reconstruction and new developments have seen skills training, relocation, recruitment and importation of skills becoming crucial for construction companies to meet demand and compete effectively. This report presents 15 case studies from a range of organisations involved in the Canterbury rebuild, exploring the business dynamics and outcomes of their resourcing initiatives. A key finding of this research is that, for many construction organisations, resourcing initiatives have become part of their organisational longer-term development strategies, rather than simply a response to ‘supply and demand’ pressures. Organisations are not relying on any single resourcing solution to drive their growth but use a combination of initiatives to create lasting business benefits, such as cost savings, improved brand and reputation, a stable and productive workforce, enhanced efficiency and staff morale, as well as improved skill levels.

Research papers, University of Canterbury Library

The UC CEISMIC Canterbury Earthquakes Digital Archive contains tens of thousands of high value cultural heritage items related to a long series of earthquakes that hit Canterbury, New Zealand, from 2010 - 2012. The archive was built by a Digital Humanities team located at the center of the disaster in New Zealand's second largest city, Christchurch. The project quickly became complex, not only in its technical aspects but in its governance and general management. This talk will provide insight into the national and international management and governance frameworks used to successfully build and deliver the archive into operation. Issues that needed to be managed included human ethics, research ethics, stakeholder management, communications, risk management, curation and ingestion policy, copyright and content licensing, and project governance. The team drew heavily on industry-standard project management methods for the basic approach, but built their ecosystem and stakeholder trust on principles derived directly form the global digital humanities community.

Research papers, University of Canterbury Library

This paper presents an examination of ground motion observations from 20 near-source strong motion stations during the most significant 10 events in the 2010-2011 Canterbury earthquake to examine region-specific systematic effects based on relaxing the conventional ergodic assumption. On the basis of similar site-to-site residuals, surfical geology, and geographical proximity, 15 of the 20 stations are grouped into four sub-regions: the Central Business District; and Western, Eastern, and Northern suburbs. Mean site-to-site residuals for these sub-regions then allows for the possibility of non-ergodic ground motion prediction over these sub-regions of Canterbury, rather than only at strong motion station locations. The ratio of the total non-ergodic vs. ergodic standard deviation is found to be, on average, consistent with previous studies, however it is emphasized that on a site-by-site basis the non-ergodic standard deviation can easily vary by ±20%.

Research papers, University of Canterbury Library

The 2010-2011 Canterbury earthquake sequence, and the resulting extensive data sets on damaged buildings that have been collected, provide a unique opportunity to exercise and evaluate previously published seismic performance assessment procedures. This poster provides an overview of the authors’ methodology to perform evaluations with two such assessment procedures, namely the P-58 guidelines and the REDi Rating System. P-58, produced by the Federal Emergency Management Agency (FEMA) in the United States, aims to facilitate risk assessment and decision-making by quantifying earthquake ground shaking, structural demands, component damage and resulting consequences in a logical framework. The REDi framework, developed by the engineering firm ARUP, aids stakeholders in implementing resilience-based earthquake design. Preliminary results from the evaluations are presented. These have the potential to provide insights on the ability of the assessment procedures to predict impacts using “real-world” data. However, further work remains to critically analyse these results and to broaden the scope of buildings studied and of impacts predicted.

Research papers, University of Canterbury Library

The seismic performance and parameter identification of the base isolated Christchurch Women’s Hospital (CWH) building are investigated using the recorded seismic accelerations during the two large earthquakes in Christchurch. A four degrees of freedom shear model is applied to characterize the dynamic behaviour of the CWH building during these earthquakes. A modified Gauss-Newton method is employed to identify the equivalent stiffness and Rayleigh damping coefficients of the building. The identification method is first validated using a simulated example structure and finally applied to the CWH building using recorded measurements from the Mw 6.0 and Mw 5.8 Christchurch earthquakes on December 23, 2011. The estimated response and recorded response for both earthquakes are compared with the cross correlation coefficients and the mean absolute percentage errors reported. The results indicate that the dynamic behaviour of the superstructure and base isolator was essentially within elastic range and the proposed shear linear model is sufficient for the prediction of the structural response of the CWH Hospital during these events.

Research papers, University of Canterbury Library

A major lesson from the 2011 Christchurch earthquake was the apparent lack of ductility of some lightly reinforced concrete (RC) wall structures. In particular, the structural behaviour of the critical wall in the Gallery Apartments building demonstrated that the inelastic deformation capacity of a structure, as well as potentially brittle failure of the reinforcement, is dependent on the level of bond deterioration between reinforcement and surrounding concrete that occurs under seismic loading. This paper presents the findings of an experimental study on bond behaviour between deformed reinforcing bars and the surrounding concrete. Bond strength and relative bond slip was evaluated using 75 pull-out tests under monotonic and cyclic loading. Variations of the experiments include the loading rate, loading history, concrete strength (25 to 70 MPa), concrete age, cover thickness, bar diameter (16 and 20 mm), embedded length, and the position of the embedded bond region within the specimen (deep within or close to free surface). Select test results are presented with inferred implications for RC structures.

Research papers, University of Canterbury Library

In this paper, we perform hybrid broadband (0-10 Hz) ground motion simulations for the ten most significant events (Mw 4.7-7.1) in the 2010-2011 Canterbury earthquake sequence. Taking advantage of having repeated recordings at same stations, we validate our simulations using both recordings and an empirically-developed ground motion prediction equation (GMPE). The simulation clearly captures the sedimentary basin amplification and the rupture directivity effects. Quantitative comparisons of the simulations with both recordings and the GMPE, as well as analyses of the total residuals (indicating model bias) show that simulations perform better than the empirical GMPE, especially for long period. To scrutinize the ground motion variability, we partitioned the total residuals into different components. The total residual appears to be unbiased, and the use of a 3D velocity structure reduces the long period systematic bias particularly for stations located close to the Banks Peninsula volcanic area.

Research papers, University of Canterbury Library

Research undertaken and literature reviewed show that major natural disasters present considerable risk to Governors Bay. Earthquakes, and resulting secondary hazards from natural disasters, could lead to the isolation of the Governors Bay community for an extended period. In particular, the rupture of the Alpine Fault and the resulting mega-quake could leave Governors Bay isolated for well over three weeks. Weaknesses in existing infrastructure in Governors Bay further places residents at risk. Therefore, it is essential that residents are prepared for a period of extended isolation, with little to no access to clean water, power, internet and cellular coverage. Ultimately, community preparedness will be the key to maintaining social cohesion and saving lives during an emergency event. The community hub in Governors Bay establishes a pre-determined locale for community co-ordination, collection, and distribution of supplies as well as a functional place to go when all else fails.

Research papers, University of Canterbury Library

This survey was established by the University of Canterbury (UC) to assist the Marlborough community in recording and understanding the level and types of recreational beach uses that are occurring at present on the earthquake-affected coast. The questions were designed to capture a comprehensive view of recreational activities and interests and allowed for any activity, view or perspective to be recorded. All responses were anonymous and no identifying information was collected. The survey used an online format open to all interested people 18+ years of age (for informed consent reasons) over a two month period (October – November 2020). The geographic focus of the survey was the coastline between Marfells Beach and the Waima / Ure River which is the area under currently under consideration by Marlborough District Council for development of a new bylaw. However, the design of the survey questions also allowed respondents to record information pertaining to any other area.

Images, Alexander Turnbull Library

Under the caption 'Best value for money?' is a football stadium displaying a red cross. From within a voice proclaims the advantages of having a combined covered stadium, hospital and blood bank. Under CERA, the Christchurch Central Development Unit had planned for a covered sports stadium, with attached facilities and shops as one of the key sites in the Christchurch rebuild after the 2010 and 2011 earthquakes. The 'blood bin' refers to the recent practice in rugby of sending off players with flesh wounds. There were also plans for a new hospital. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

Shows John Key phoning Canterbury Earthquake Recovery Minister Gerry Brownlee during his recent visit to China. Key tells Gerry he has found an architect friend in China who can design the new Christchurch Cathedral. Wider context refers to the debate over the 3 plans recently released for the Cathedral, but also refers to media debate concerning Key's involvement in instances of preferential appointments - in particular, his claim to have forgotten a phone call to his friend Ian Fletcher in which Key suggested Fletcher should apply to become director of the Government Communications Security Bureau. See Stuff, 3 April 2013. Colour and black and white versions available Quantity: 2 digital cartoon(s).

Research papers, The University of Auckland Library

The Christchurch region of New Zealand experienced a series of major earthquakes and aftershocks between September 2010 and June 2011 which caused severe damage to the city’s infrastructure. The performance of tilt-up precast concrete buildings was investigated and initial observations are presented here. In general, tilt-up buildings performed well during all three major earthquakes, with mostly only minor, repairable damage occurring. For the in-plane loading direction, both loadbearing and cladding panels behaved exceptionally well, with no significant damage or failure observed in panels and their connections. A limited number of connection failures occurred due to large out-of-plane panel inertia forces. In several buildings, the connections between the panel and the internal structural frame appeared to be the weakest link, lacking in both strength and ductility. This weakness in the out-of-plane load path should be prevented in future designs.

Research papers, The University of Auckland Library

This paper presents preliminary field observations on the performance of selected steel structures in Christchurch during the earthquake series of 2010 to 2011. This comprises 6 damaging earthquakes, on 4 September and 26 December 2010, February 22, June 6 and two on June 13, 2011. Most notable of these was the 4 September event, at Ms7.1 and MM7 (MM as observed in the Christchurch CBD) and most intense was the 22 February event at Ms6.3 and MM9-10 within the CBD. Focus is on performance of concentrically braced frames, eccentrically braced frames, moment resisting frames and industrial storage racks. With a few notable exceptions, steel structures performed well during this earthquake series, to the extent that inelastic deformations were less than what would have been expected given the severity of the recorded strong motions. Some hypotheses are formulated to explain this satisfactory performance. http://db.nzsee.org.nz/SpecialIssue/44%284%290297.pdf

Research papers, The University of Auckland Library

During the Christchurch earthquake of February 2011, several midrise reinforced concrete masonry (RCM) buildings showed performance levels that fall in the range of life safety to near collapse. A case study of one of these buildings, a six-story RCM building deemed to have reached the near collapse performance level, is presented in this paper. The RCM walls on the second floor failed due to toe crushing, reducing the building's lateral resistance in the east–west direction. A three-dimensional (3-D) nonlinear dynamic analysis was conducted to simulate the development of the governing failure mechanism. Analysis results showed that the walls that were damaged were subjected to large compression loads during the earthquake, which caused an increase in their in-plane lateral strength but reduced their ductility capacity. After toe crushing failure, axial instability of the model was prevented by a redistribution of gravity loads. VoR - Version of Record

Images, Alexander Turnbull Library

Shows a postman who has just put an 'Earthquake bill' for '$8.5 billion' into the government's letterbox. Context - The New Zealand government will spend about 8.5 billion NZ dollars (6.6 billion U.S. dollars) over the next few years rebuilding Christchurch. New Zealand Finance Minister Bill English said on Tuesday that the Treasury has estimated the direct cost of the two earthquakes is about 5.5 billion NZ dollars), which will be fully provided for in the Budget in May. He said about 3 billion NZ dollars of that relates to thegovernment's share of local government infrastructure, roads, insurance excesses on schools and housing, land remediation from the September quake, demolition, Accidents Compensation Corporation scheme and the business support package. (Xinhuanet 12 April 2011) Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

A ship named 'NZ Ship of State' lies high and dry on rocks; the great jagged holes in her represent 'the recession', 'Pike River', 'Chch 1' and 'Chch 2'. A man standing nearby asks 'How will we refloat her?' and a second man answers '...by cutting Working for Families & interest-free student loans' Someone outside the frame says 'Where's the No. 8 wire?' Context - The New Zealand economy was stagnating before the impact of the Christchurch earthquakes of 4 September 2010 and 22 February 2011 and the Pike River Mine disaster before that. The government was already considering cutting Working for Families & interest-free student loans before the earthquakes struck and it seems that now they are trying to push through these policy changes using the earthquakes as an excuse. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

In the first seven of eight frames astrologer Ken Moon predicts a 'black day ahead', a 'day of great shaking' and 'terror' and 'children crying' and 'people fleeing' and 'a day in May'. In the last frame people realize that he has seen, not an earthquake, but the budget. Context - After the two big earthquakes in Christchurch on 4 September 2010 and 22 February 2011, the so-called Moon Man, Ken Ring, backed away from his prediction that Christchurch would be whacked by a huge earthquake on the 20th of March 2011. His claims terrified Cantabrians and led to people fleeing Christchurch. The 2011 budget will be announced in May and predictions are that it will be a cost-cutting one because of New Zealand's debt, partially caused by the Christchurch earthquakes. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

An exceedingly large 'Gerry' Brownlee, the Minister for Earthquake Recovery, rises from a chair, holding a briefcase labeled 'CERA' and calling for 'Bob' Parker, the mayor of Christchurch. The thin Parker was flattened against Brownlee's enormous rear, when Brownlee sat on the chair. Brownlee and Parker had a strained relationship, with the government taking an increasing amount of control in local decision making. After ongoing assurances by Parker that Christchurch City Council would meet all of International Accreditation New Zealand's requirements on issuing building consents, Brownlee announced in June 2013 without Parker's prior knowledge that the authority had withdrawn its accreditation. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

Four cartoons in the same frame commenting on news and happenings in the week ending 15 December 2011. The cartoons refer to the expulsion of the controversial Member of Parliament, Brendan Horan, from the New Zealand First Party by its leader, Winston Peters; the stereotyping of New Zealand as being 'Middle Earth' following the filming of 'The Hobbit', punned as 'The Habbit'; the lax attitude to building design and standards, which led to the CTV Building disaster in the Christchurch earthquake; the news about the New Zealand SPCA teaching dogs to drive. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

A plane flies into the distance. Attached to it by a rope is a large package containing Christchurch Mayor Bob Parker and CEO of the City Council Tony Marryatt. The package is addressed 'Deepest Siberia c/- isolated hellhole Russia'. The mayor looks on the bright side considering this to be a junket the people will approve of. Context: Public disapproval of the Mayor's two-week tour of Asian countries with a Christchurch International Airport-led delegation. The airport is paying for the mayoral couple to take part in the trip. There is public criticism that the trip take place at this time because of ongoing problems with the council and earthquake recovery. There is also criticism of Tony Marryatt's $68,000 pay increase considered poor form when so many people are struggling with earthquake related problems. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

Finance Minister Bill English holds a large axe that represents the 'budget' and says 'I wanted to retrieve all my spending tools, but, sadly, with allotted time short, I could only grab this!..' He is standing outside the barrier that surrounds the Christchurch CBD. Context - The Christchurch central business district has been largely out of bounds to anyone but those dealing with the after-effects of the earthquake of February 22 but business owners have been allowed restricted access to retrieve gear and belongings. The 2011 budget looks as though it will be focused on paring everything down because of the sad state of New Zealand's economy at present (made worse by the need to rebuild Christchurch), hence the axe. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

Text reads 'The earth moved...... and so did the government's infrastructure spending estimate'. Centre cartoon is the text '$17 billion' set against the backdrop of a seismic graph. Context - Auckland and Christchurch have been given top priority in the Government's latest national infrastructure plan, with more than seven billion dollars of its $17 billion budget going to the two cities. NZ Council for Infrastructure chief executive Stephen Selwood says hes not surprised at the large amount of funding going to Auckland and Christchurch, saying its clear the Christchurch rebuild will require a major commitment and Aucklands continued growth also requires significant funding. (Source: www.3news.co.nz, 5 July 2011) Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

Someone in a car full of passengers who represent '10,000 residents' says 'For Pete's sake... Are they ever going to change?' Spider webs have been spun between the car and the road as the car waits at a traffic light that represents the 'land report' and is stuck on orange. Context - Context - On Thursday 23 June Prime Minister John Key, Canterbury Earthquake Recovery Minister Gerry Brownlee and representatives from engineering consultants Tonkin & Taylor announced the first part of the Government's long-awaited land report that revealed the fate of up to 5000 quake-damaged homes. These homes were in the 'red zone'. But 10,500 owners in the orange zone were left in limbo, with their properties requiring further assessment. The areas included Kaiapoi, Pines Beach, Brooklands, Spencerville, Parklands and Queenspark (www.rebuildchristchurch.co.nz 6 July 2011)) Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

Text at top left reads 'Earthquake... aftershock... or "new event"... one thing remains constant...' Below is a snail with 'EQC payments' printed on its shell. Context - This is a reference to the problems that Christchurch people are having in getting payments from the EQC (Earthquake Commission) Disgruntled tradespeople who are owed hundreds of thousands of dollars by EQC are considering legal action. Remaining unpaid can mean that companies may have to consider laying people off. The Amalgamated Workers Union says delays in EQC payments for housing repair work in quake-hit Christchurch are building to a crisis point. Two versions of this cartoon are available Quantity: 2 digital cartoon(s).

Images, Alexander Turnbull Library

Text reads 'If a secret microphone was smuggled into CERA's meetings?...' A group of CERA staff chat during tea at a meeting. They make unguarded comments about the state of affairs in earthquake-stricken Christchurch unaware that a microphone has been left in a sugarbowl. Context: the cartoon suggests that there seems to many Christchurch people to be a lack of real care on the part of officialdom as they struggle to recover from the earthquake damage. The microphone recalls that left 'accidentally' on a table at which Prime Minister John Key and the ACT candidate for the Epsom seat were having a highly publicised cup of tea. Then when it was discovered that a microphone had recorded their conversation John Key tried to get a court order to supress making it public. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

A female bartender chats with a customer as she pours his beer. She asks him about his jersey, saying 'That's not one of those expensive Adidas jerseys is it?' and he replies 'No - it's a Christchurch "After the quake" jersey!' The jersey has on the front three rectangular shapes that are tipping over. Context: Adidas has been at the centre of a jersey-pricing storm since it was revealed the replica tops could be bought much cheaper overseas. The jersey had been listed for sale at $US79.99 ($NZ92.68) on the US website worldrugbyshop.com and could also be found cheaper on British websites. It was retailing for $220 in New Zealand, but retailers have dropped the price as the debate has raged. Adidas has refused to drop the wholesale price. Colour and black and white versions available Quantity: 2 digital cartoon(s).

Research papers, The University of Auckland Library

This article argues that teachers deserve more recognition for their roles as first responders in the immediate aftermath of a disaster and for the significant role they play in supporting students and their families through post-disaster recovery. The data are drawn from a larger study, 'Christchurch Schools Tell Their Earthquake Stories' funded by the United Nations Educational, Scientific and Cultural Organisation and the University of Auckland, in which schools were invited to record their earthquake stories for themselves and for historical archives. Data were gathered from five primary schools between 2012 and 2014. Methods concerned mainly semi-structured individual or group interviews and which were analysed thematically. The approach was sensitive, flexible and participatory with each school being able to choose its focus, participants and outcome. Participants from each school generally included the principal and a selection of teachers, students and parents. In this study, the data relating to the roles of teachers were separated out for closer analysis. The findings are presented as four themes: immediate response; returning to (new) normal; care and support; and long term effects.

Research papers, The University of Auckland Library

In the aftermath of the 2010-2011 Canterbury earthquakes in New Zealand, the residual capacity and reparability of damaged reinforced concrete (RC) structures was an issue pertinent to building owners, insurers, and structural engineers. Three precast RC moment-resisting frame specimens were extracted during the demolition of the Clarendon Tower in Christchurch after sustaining earthquake damage. These specimens were subjected to quasi-static cyclic testing as part of a research program to determine the reparability of the building. It was concluded that the precast RC frames were able to be repaired and retrofitted to an enhanced strength capacity with no observed reduction in displacement capacity, although the frames with “shear-ductile” detailing exhibited less displacement ductility capacity and energy dissipation capacity than the more conventionally detailed RC frames. Furthermore, the cyclic test results from the earthquake-damaged RC frames were used to verify the predicted inelastic demands applied to the specimens during the 2010-2011 Canterbury earthquakes. https://www.concrete.org/publications/acistructuraljournal.aspx

Research papers, The University of Auckland Library

Following a damaging earthquake, the immediate emergency response is focused on individual collapsed buildings or other "hotspots" rather than the overall state of damage. This lack of attention to the global damage condition of the affected region can lead to the reporting of misinformation and generate confusion, causing difficulties when attempting to determine the level of postdisaster resources required. A pre-planned building damage survey based on the transect method is recommended as a simple tool to generate an estimate of the overall level of building damage in a city or region. A methodology for such a transect survey is suggested, and an example of a similar survey conducted in Christchurch, New Zealand, following the 22 February 2011 earthquake is presented. The transect was found to give suitably accurate estimates of building damage at a time when information was keenly sought by government authorities and the general public. VoR - Version of Record

Research papers, The University of Auckland Library

Churches are an important part of New Zealand's historical and architectural heritage. Various earthquakes around the world have highlighted the significant seismic vulnerability of religious buildings, with the extensive damage that occurred to stone and clay-brick unreinforced masonry churches after the 2010-2011 Canterbury earthquakes emphasising the necessity to better understand this structural type. Consequently, a country-wide inventory of unreinforced masonry churches is here identified. After a bibliographic and archival investigation, and a 10 000 km field trip, it is estimated that currently 297 unreinforced masonry churches are present throughout New Zealand, excluding 12 churches demolished in Christchurch because of heavy damage sustained during the Canterbury earthquake sequence. The compiled database includes general information about the buildings, their architectural features and structural characteristics, and any architectural and structural transformations that have occurred in the past. Statistics about the occurrence of each feature are provided and preliminary interpretations of their role on seismic vulnerability are discussed. The list of identified churches is reported in annexes, supporting their identification and providing their address.