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Research papers, The University of Auckland Library

This study is a qualitative investigation into the decision-making behaviour of commercial property owners (investors and developers) who are rebuilding in a city centre after a major disaster. In 2010/2011, Christchurch, the largest city in the South Island of New Zealand, was a site of numerous earthquakes. The stronger earthquakes destroyed many buildings and public infrastructure in the commercial inner city. As a result, affected property owners lost all or most of their buildings, a significant proportion of which were old and in the last phase of their life span. They had to negotiate pay-outs with insurance companies and decide, once paid out, whether they should rebuild in Christchurch or sell up and invest elsewhere. The clear majority of those who decided to reinvest in and rebuild the city are ‘locals’, almost all of whom had no prior experience of property development. Thus, in a post-disaster environment, most of these property owners have transitioned from being just being passive investors to active property developers. Their experience was interpreted using primary data gathered from in-depth and semi-structured interviews with twenty-one “informed property people” who included commercial property owners; property agents or consultants; representatives of public-sector agencies and financial institutions. The study findings showed that the decision-making behaviour of property investors and developers rebuilding after a major disaster did not necessarily follow a strict financial or profit motive as prescribed in the mainstream or neo-classical economics property literature. Rather, their decision-making behaviour has been largely shaped by emotional connections and external factors associated with their immediate environment. The theoretical proposition emerging from this study is that after a major disaster, local urban property owners are faced with two choices “to stay” or “to go”. Those who decide to stay and rebuild are typically very committed individuals who have a feeling of ownership, belonging and attachment to the city in which they live and work. These are people who will often take the lead in commercial property development, proactively making decisions and seeking positive investment outcomes for themselves which in turn result in revitalised commercial urban precincts.

Research papers, The University of Auckland Library

Livelihood holds the key to a rapid recovery following a large-scale devastating disaster, building its resilience is of paramount importance. While much attention has been given to how to help people who are displaced from their jobs to regain employment, little research on livelihood resilience has been undertaken for those relocated communities following a disaster event. By studying five re-located villages post-2004 Indian Ocean Tsunami in Banda Aceh and Aceh Besar, Indonesia, this research has identified the indicators of livelihood resilience and the critical factors driving it for post-disaster relocated communities. A mixed approach, combining questionnaire surveys, semistructured interviews, and field observations, was used for the collection of data. Housing entitlement, the physical and mental health of residents, access to external livelihood support and the provision of infrastructure and basic services were identified as amongst the most critical indicators that represent the level of livelihood resilience. Early recovery income support, physical and mental health, availability and timeliness of livelihood support, together with cultural sensitivity and governance structure, are amongst the most important factors. Given the nature of resettlement, access to infrastructure, location of relocated sites, the safety of the neighbourhood and the ability to transfer to other jobs/skills also play an important role in establishing sustained employment for relocated communities in Indonesia. Those indicators and factors were synthesised into a framework which was further tested in the recovery of Christchurch, and Kaikoura, New Zealand during their recovery from devastating earthquakes. It is suggested that the framework can be used by government agencies and aid organisations to assess the livelihood resilience of post-disaster relocated communities. This will help better them plan support policies and/or prioritise resilience investment strategies to ensure that the recovery needs of those relocated are best met.

Research papers, The University of Auckland Library

Courage has remained an elusive concept to define despite having been in the English lexicon for hundreds of years. The Canterbury earthquake sequence that began in 2010 provided a unique context in which to undertake research that would contribute to further conceptualisation of courage. This qualitative study was undertaken in Christchurch, New Zealand, with adults over the age of 70 who experienced the Canterbury earthquakes and continued to live in the Canterbury region. The population group was chosen because it is an under researched group in post-disaster environments, and one that offers valuable insights because of members' length and breadth of life experiences, and likely reminiscent and reflective life stage. A constructivist grounded theory approach was utilised, with data collected through semi-structured focus groups and individual key informant interviews. The common adverse experience of the participants initially discussed was the earthquakes, which was followed by exploration of courage in their other lived experiences. Through an inductive process of data analysis, conceptual categories were identified, which when further analysed and integrated, contributed to a definition of courage. The definition was subsequently discussed with social work professionals who had remained working in the Canterbury region after experiencing the earthquakes. From the examples and the actions described within these, a process model was developed to support the application of courage. The model includes five steps: recognising an adverse situation, making a conscious decision to act, accessing sources of motivation, mastering emotion and taking action. Defining and utilising courage can help people to face adversity associated with everyday life and ultimately supports self-actualisation and self-development. Recommendations from the study include teaching about courage within social work education, utilising the process model within supervision, intentionally involving older adults in emergency management planning and developing specific social work tasks in hospital settings following a disaster.

Research papers, The University of Auckland Library

Following the 2010/2011 Canterbury (New Zealand) earthquakes the seismic design of buildings with precast concrete panels has received significant attention. Although this form of construction generally performed adequately in Christchurch, there were a considerable number of precast concrete panel connection failures. This observation prompted a review of more than 4700 panel details to establish representative details used in both existing and new multi-storey and low rise industrial precast concrete buildings. The detailing and quantity of each reviewed connection type in the sampled data is reported, and advantages and potential deficiencies of each connection type are discussed. Following the Canterbury earthquakes, it was observed that brittle failure had occurred in some grouted metal duct connections used for precast concrete wall panels, resulting in recommendations for more robust detailing of this connection type. A set of experimental tests was subsequently performed to investigate the in-plane seismic behaviour of precast concrete wall panel connections. This testing comprised of seven reversed cyclic in-plane tests of fullscale precast concrete wall panels having wall-to-foundation grouted metal duct connections. Walls with existing connection detailing were found to perform adequately when carrying low axial loads, but performance was found to be less satisfactory as the axial load and wall panel length increased. The use of new recommended detailing was observed to prevent brittle connection response and to improve the robustness of the reinforcement splice. A parametric investigation was conducted using the finite element method to predict the failure mode of metal duct connections. From the results of the parametric study on metal duct connections it was identified that there were three possible failure modes, being reinforcement fracture, concrete spalling without metal duct pull out, and concrete spalling with metal duct pull-out. An alternative simple analytical method was proposed in order to determine the type of connection failure without using a time-consuming finite element method. Grouted sleeves inserts are an alternative connector that is widely used to connect wall panels to the foundations. The two full-scale wall panels were subjected to reversed cyclic in-plane demands until failure of either the connection or the wall panel. Wall panel failure was due to a combination of connection reinforcement pulling-out from the coupler and reinforcement fracture. In addition, non-embedded grouted sleeve tests filled with different quality of grout were conducted by subjecting these coupler assemblages to cyclic and monotonic forces.

Research papers, The University of Auckland Library

Industrial steel storage pallet racking systems are used extensively worldwide to store goods. Forty percent of all goods are stored on storage racks at some time during their manufactureto- consumption life. In 2017, goods worth USD 16.5 billion were carried on cold-formed steel racking systems in seismically active regions worldwide. Historically, these racks are particularly vulnerable to collapse in severe earthquakes. In the 2010/2011 Christchurch earthquakes, around NZD 100 million of pallet racking stored goods were lost, with much greater associated economic losses due to disruptions to the national supply chain. A novel component, the friction slipper baseplate, has been designed and developed to very significantly improve the seismic performance of a selective pallet racking system in both the cross-aisle and the down-aisle directions. This thesis documents the whole progress of the development of the friction slipper baseplate from the design concept development to experimental verification and incorporation into the seismic design procedure for selective pallet racking systems. The test results on the component joint tests, full-scale pull-over and snap-back tests and fullscale shaking table tests of a steel storage racking system are presented. The extensive experimental observations show that the friction slipper baseplate exhibits the best seismic performance in both the cross-aisle and the down-aisle directions compared with all the other base-connections tested. It protects the rack frame and concrete floor from damage, reduces the risk of overturning in the cross-aisle direction, and minimises the damage at beam-end connectors in the down-aisle direction, without sustaining damage to the connection itself. Moreover, this high level of seismic performance can be delivered by a simple and costeffective baseplate with almost no additional cost. The significantly reduced internal force and frame acceleration response enable the more cost-effective and safer design of the pallet racking system with minimal extra cost for the baseplate. The friction slipper baseplate also provides enhanced protection to the column base from operational impact damage compared with other seismic resisting and standard baseplates.

Research papers, The University of Auckland Library

The seismic performance of soil profiles with potentially liquefiable deposits is a complex phenomenon that requires a thorough understanding of the soil properties and ground motion characteristics. The limitations of simplified liquefaction assessment methods have prompted an increase in the use of non-linear dynamic analysis methods. Focusing on onedimensional site response of a soil column, this thesis validated a soil constitutive model using in-situ pore pressure measurements and then assessed the influence of input ground motion characteristics on soil column response using traditional and newly developed metrics. Pore pressure recordings during the Canterbury Earthquake Sequence (CES) in New Zealand were used to validate the PM4Sand constitutive model. Soil profile characterization was key to accurate prediction of excess pore pressure response and accounting for any densification during the CES. Response during multiple earthquakes was captured effectively and cross-layer interaction demonstrated the model capability to capture soil response at the system-level. Synthetic and observed ground motions from the Christchurch earthquake were applied to the validated soil column to quantify the performance of synthetic motions. New metrics were developed to facilitate a robust comparison to assess performance. The synthetic input motions demonstrated a slightly larger acceleration and excess pore pressure response compared to the observed input motions. The results suggest that the synthetic motions may accumulate higher excess pore pressure at a faster rate and with fewer number of cycles in the shear response. This research compares validated soil profile subject to spectrally-matched pulse and non-pulse motions, emphasizing the inclusion of pulse motions with distinctive characteristics in ground motion suites for non-linear dynamic analysis. However, spectral matching may lead to undesired alterations in pulse characteristics. Cumulative absolute velocity and significant duration significantly differed between these two groups compared to the other key characteristics and contributed considerably to the liquefaction response. Unlike the non-pulse motions, not all of the pulse motions triggered liquefaction, likely due to their shorter significant duration. Non-pulse motions developed a greater spatial extent of liquefaction triggering in the soil profile and extended to a greater depth.

Research papers, The University of Auckland Library

The increasing prevalence of mixed-material buildings that combine concrete walls and steel frames in New Zealand, coupled with a lack of specific design and detailing guidelines for concrete wall-steel beam connections, underscores the need for comprehensive research to ensure that these structures behave as intended during earthquakes. Bolted web plate connections, commonly found in steel framing systems, are typically used to connect steel beams to concrete walls. These connections are idealised as pinned during design. However, research on steel framing systems has shown that these connections can develop significant stiffness and moment resistance when subjected to large rotations during seismic loading, potentially leading to brittle failure when used in concrete wall to steel beam applications. This thesis was written to understand the seismic performance of concrete wall-steel beam bolted web plate connections, providing experimental evidence, numerical modelling insights, and design recommendations to address critical gaps in current design practices. The study is divided into three phases. First, a review of 50 concrete wall-steel frame buildings in Auckland and Christchurch was conducted to understand current design practices and typical connection details. The findings revealed significant variation in design and detailing practices and a lack of specific guidelines for concrete wall-steel beam connections. Second, an experimental programme was conducted on four full-scale concrete wall-steel beam sub-assemblages, each incorporating variations in connection detailing. The tests were designed to quantify the rotation capacity of concrete wall-steel beam connections, identify failure modes and investigate the effectiveness of potential connection improvements. Results demonstrated that concrete wall-steel beam bolted web plate connections designed using current design standards and following existing practices are vulnerable to non-ductile failure characterised by concrete breakout. However, using slotted holes in the web plate and bent reinforcing bar anchors instead of headed stud anchors improved connection rotation capacity. Third, a numerical model of a case study building was developed on OpenSeesPy, with different connection conditions assumed based on the experimental results. Pushover and time history analyses were conducted to evaluate the implications of different connection conditions (pinned vs non-pinned) on global building response and local member demands. The findings revealed that using non-pinned connection conditions does not significantly affect the global building response and shear and bending moment demands on lateral load-resisting elements. However, doing so generates overstrength moments on the connections that induce different actions on out-of-plane concrete walls connected to steel beams. Synthesising findings from all three phases, this thesis concludes with a proposed design procedure for concrete wall-steel beam connections based on a capacity design approach to ensure ductile failure modes and suppress brittle ones. Key recommendations include selecting appropriate bolt hole geometry and anchorage, providing sufficient rotation capacity, and accounting for connection overstrength in global analyses.

Research papers, The University of Auckland Library

The skills agenda has grown in prominence within the construction industry. Indeed, skill shortages have been recognised as a perennial problem the construction industry faces, especially after a major disaster. In the aftermath of the Christchurch earthquakes, small and medium construction companies were at the forefront of rebuilding efforts. While the survival of these companies was seen to be paramount, and extreme events were seen to be a threat to survival, there is a dearth of research centring on their resourcing capacity following a disaster. This research aims to develop workforce resourcing best practice guidelines for subcontractors in response to large disaster reconstruction demands. By using case study methods, this research identified the challenges faced by subcontracting businesses in resourcing Christchurch recovery projects; identified the workforce resourcing strategies adopted by subcontracting businesses in response to reconstruction demand; and developed a best practice guideline for subcontracting businesses in managing the workforce at the organisational and/or project level. This research offers a twofold contribution. First, it provides an overview of workforce resourcing practices in subcontracting businesses. This understanding has enabled the development of a more practical workforce resourcing guideline for subcontractors. Second, it promotes evidence-informed decision-making in subcontractors’ workforce resourcing. Dynamics in workforce resourcing and their multifaceted interactions were explicitly depicted in this research. More importantly, this research provides a framework to guide policy development in producing a sustainable solution to skill shortages and establishing longterm national skill development initiatives. Taken together, this research derives a research agenda that maps under-explored areas relevant for further elaboration and future research. Prospective researchers can use the research results in identifying gaps and priority areas in relation to workforce resourcing.

Research papers, Lincoln University

Modern cities are surprisingly dependent on tourism and competition among them for tourist dollars—both domestically and internationally—can be extreme. New Zealand’s second city, Christchurch, is no exception. In 2009, tourism reportedly earned $2.3 billion and accounted for more than 12 per cent of the region’s employment. Then came a series of devastating earthquakes that claimed 185 lives and decimated the city’s infrastructure. More than 10,000 earthquakes and aftershocks have radically altered Christchurch’s status as a tourism destination. Two years on, what is being done to recover from one of the world’s largest natural disasters? Can the “Garden City” reassert itself as a highly-desirable Australasian destination with a strong competitive advantage over rivals that have not been the target of natural disasters.

Research papers, University of Canterbury Library

This thesis focuses on the role of legal preparedness for managing large-scale urban disasters in Aotearoa New Zealand. It uses the Auckland Volcanic Field as a case study to answer the question: ‘is New Zealand’s current legal framework prepared to respond to and recover from a large-scale urban disaster?’. The Auckland Volcanic Field was chosen as the main case study because a future eruption is a low likelihood, high-impact event that New Zealand is going to have to manage in the future. Case studies are a key feature of this thesis as both New Zealand based and overseas examples are used to explore the role of legal preparedness by identifying and investigating a range of legal issues that need to be addressed in advance of a future Auckland Volcanic Field eruption. Of particular interest is the impact of legal preparedness for the recovery phase. The New Zealand case studies include; Canterbury earthquake sequence 2010-2011, the Kaikōura earthquake 2016, the Auckland flooding 2018, and the North Island Severe Weather event 2023, which encompasses both the Auckland Anniversary weekend flooding and Cyclone Gabrielle. As New Zealand has not experienced a large-scale urban volcanic eruption, overseas examples are explored to provide insights into the legal issues that are volcano specific. The overseas volcanic case studies cover eruptions in Heimaey (Iceland), the Soufrière Hills (Montserrat and the Grenadines), La Soufrière (St Vincent) and Tungurahua (Ecuador). New Zealand’s past experiences highlight a trend for introducing post-event legal frameworks to manage recovery. Consequently, the current disaster management system is not prioritising legal preparedness and instead is choosing to rely on exceptional powers. Unsurprisingly, the introduction of new post-event recovery frameworks has repercussions. In New Zealand, new post-event legal frameworks are introduced swiftly under urgency, they contain broad unstructured decision-making powers, and are often flawed. As these exceptional new frameworks sit outside the ‘normal’ legal frameworks, they in effect create a parallel “shadow system”. Based on the evidence explored in this thesis it does not appear that Auckland’s current disaster management framework is prepared to deal with a large-scale urban event caused by an Auckland Volcanic Field eruption. Following this conclusion, it is the submission of this thesis that New Zealand’s current legal framework is not prepared to respond to and recover from a large-scale urban disaster. To become legally prepared, New Zealand needs to consider the legal tools required to manage large-scale urban disasters in advance. This will prevent the creation of a legal vacuum in the aftermath of disasters and the need for new recovery frameworks. Adopting a new attitude will require a change in approach towards legal preparedness which prioritises it, rather than sidelining it. This may also require changes within New Zealand’s disaster management system including the introduction of a formal monitoring mechanism, which will support and prioritise legal preparedness. This thesis has shown that not legally preparing for future disasters is a choice which carries significant consequences. None of these consequences are inevitable when managing large-scale disasters, however they are inevitable when frameworks are not legally prepared in advance. To not legally prepare, is to prepare to fail and thus create a disaster by choice.

Audio, Radio New Zealand

It's 10 years since an earthquake killed 185 people in Christchurch. Ports of Auckland workers the latest people to be vaccinated against Covid-19. And Papatoetoe High students are back to school following three community Covid cases at the college. Nicola Wright has the news.

Videos, UC QuakeStudies

A video clip of two large-scale, temporary installations titled Upload (left) and Equilibrium (right). The installations were created by students from The University of Auckland, for CityUps - a 'city of the future for one night only', and the main event of FESTA 2014.

Videos, UC QuakeStudies

A video clip of people dancing inside a large-scale, temporary installation titled Equilibrium. The installation was created by students from The University of Auckland for CityUps - a 'city of the future for one night only', and the main event of FESTA 2014.

Videos, UC QuakeStudies

A video clip of a large-scale, temporary installation titled Antigravity. The installation is on Lichfield Street. The installation was created by students from The University of Auckland for CityUps - a 'city of the future for one night only', and the main event of FESTA 2014.

Videos, UC QuakeStudies

A video clip of children playing with inflatable balls inside a large-scale, temporary installation titled Upload. The installation was created by students from The University of Auckland for CityUps - a 'city of the future for one night only', and the main event of FESTA 2014.

Videos, UC QuakeStudies

A video clip of a large-scale, temporary installation titled Antigravity. The installation is on Lichfield Street. The installation was created by students from The University of Auckland for CityUps - a 'city of the future for one night only', and the main event of FESTA 2014.

Videos, UC QuakeStudies

A video clip of a large-scale, temporary installation titled Continuum. The installation is on Lichfield Street. The installation was created by students from The University of Auckland for CityUps - a 'city of the future for one night only', and the main event of FESTA 2014.

Research papers, Lincoln University

This research provides an investigation into the impact on the North Island freight infrastructure, in the event of a disruption of the Ports of Auckland (POAL). This research is important to New Zealand, especially having experienced the Canterbury earthquake disaster in 2010/2011 and the current 2012 industrial action plaguing the POAL. New Zealand is a net exporter of a combination of manufactured high value goods, commodity products and raw materials. New Zealand’s main challenge lies in the fact of its geographical distances to major markets. Currently New Zealand handles approximately 2 million containers per annum, with a minimum of ~40% of those containers being shipped through POAL. It needs to be highlighted that POAL is classified as an import port in comparison to Port of Tauranga (POT) that has traditionally had an export focus. This last fact is of great importance, as in a case of a disruption of the POAL, any import consigned to the Auckland and northern region will need to be redirected through POT in a quick and efficient way to reach Auckland and the northern regions. This may mean a major impact on existing infrastructure and supply chain systems that are currently in place. This study is critical as an element of risk management, looking at how to mitigate the risk to the greater Auckland region. With the new Super City taking hold, the POAL is a fundamental link in the supply chain to the largest metropolitan area within New Zealand.

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Leopard Buses have bought some old ex-Auckland buses to cover a shortfall caused by the earthquake. New buses from ordered from Designline are delayed after the Rolleston-based firm's production was interrupted. John Belcher of Riccarton Signs works on covering up the old colours".

Audio, Radio New Zealand

Angry reaction to Government energy strategy, Tizard questions Goff's ability to win election, Auckland agencies criticised for secrecy, Christchurch residents worried as winter approaches, Foreign language students scared off by earthquakes, Christchurch's tourism flickers to life but limited by quake, and Harawira aims for April 30th launch of new party.

Audio, Radio New Zealand

Plumbers say EQC paying bills too slowly, Earthquake Commission defends its claim process, Events centre, not stimulus package, for West Coast, Harawira calls meeting to consider forming new party, Government, Auckland council split over development, Search work in Christchurch central city nears completion, Power in South Christchurch threatened by cut cable.

Audio, Radio New Zealand

National says campaign on track despite focus on Key; Radio New Zealand political editor discusses campaign; Don Brash says his leadership is solid; Pike River anniversary service 'will be non-political'; Auckland protesters may receive trespass notices today; Martin Johnson quits as England rugby coach; Earthquake documentary opens in Christchurch cinemas.

Videos, UC QuakeStudies

A video clip of young children interacting with a large-scale, temporary installation titled Orbis. The installation is on Lichfield Street. The installation was created by students from The University of Auckland for CityUps - a 'city of the future for one night only', and the main event of FESTA 2014.

Videos, UC QuakeStudies

A video clip of people interacting with a large-scale, temporary installation titled Orbis. The installation is on Lichfield Street. The installation was created by students from The University of Auckland for CityUps - a 'city of the future for one night only', and the main event of FESTA 2014.

Videos, UC QuakeStudies

A video clip depicting part of a large-scale, temporary installation titled Continuum, and another in the distance titled Upload. The installations were created by students from The University of Auckland for CityUps - a 'city of the future for one night only', and the main event of FESTA 2014.