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Audio, Radio New Zealand

Sir Miles Warren and Maurice Mahoney were architectural revolutionaries who built a legendary partnership spanning 37 years. A new film currently in production aims to celebrate their incredible legacy and document the bitter fight to save their most iconic building - the Christchurch Town Hall - from demolition after the 2011 earthquake. Co-director and Maurice's daughter Jane Mahoney talks to Mark Leisham about the pairs legacy and the process of making the film.

Research papers, Lincoln University

The Project Team were: Simon Wallace (TIA), David Simmons (Lincoln University), Susanne Becken (Lincoln University)The State of the Tourism Sector report is published annually.The Tourism Industry Association of New Zealand’s (TIA) annual State of the Sector 2011 has been prepared in partnership with Lincoln University. The objective of this is to understand better how the tourism sector sees its future and what challenges and opportunities lie ahead in both the short and longer term. State of Sector 2011, alongside the ongoing series of TIA Insights and other consultations that TIA is undertaking in its research work programme, is aimed at informing participants at the Tourism Summit taking place in Wellington on 13 July 2011. This information is a key driver in assisting with the development of the 2011 Tourism Industry Election Manifesto. State of the Sector 2011 also ultimately provides a current view of the tourism sector for those within the industry and for external stakeholders who have an interest in tourism in New Zealand.

Research papers, Lincoln University

The Tourism Industry Association New Zealand’s (TIA) annual State of the Tourism Sector 2012 has been prepared in partnership with Lincoln University. The objective of this is to understand better how the tourism sector sees its future and what challenges and opportunities lie ahead in both the short and longer term. State of the Tourism Sector 2012 provides a current view of the tourism sector for those within the industry and for external stakeholders who have an interest in tourism in New Zealand.

Research papers, Lincoln University

Increasingly, economic, political and human crises, along with natural disasters, constitute a recurrent reality around the world. The effect of large-scale disaster and economic disruption are being felt far and wide and impacting libraries in diverse ways. Libraries are casualties of natural disasters, from earthquakes to hurricanes, as well as civil unrest and wars. Sudden cuts in library budgets have resulted in severe staff reductions, privatization and even closures. The presenters share their experiences about how they have prepared for or coped with profound change.

Research papers, Lincoln University

The Building Act 2004 now requires Territorial Authorities (TAs) to have in place a policy setting out how they intend making existing buildings that would be unable to withstand a moderate earthquake safe for their occupiers. Many of the resultant policies developed by TAs have put in place mandatory upgrade requirements that will force owners to expend large amounts of capital on seismic upgrading of their buildings. The challenge for the property owners and TAs alike is to make such development work economic or the result will be wide scale demolition of old buildings. This has serious implications for both heritage conservation and inner city revitalisation plans that are based on existing heritage buildings. This paper sets out the issues and challenges for the seismic upgrading of buildings in New Zealand and puts forward some potential solutions

Research papers, Lincoln University

The New Zealand Kellogg Rural Leaders Programme develops emerging agribusiness leaders to help shape the future of New Zealand agribusiness and rural affairs. Lincoln University has been involved with this leaders programme since 1979 when it was launched with a grant from the Kellogg Foundation, USA.On 2 March 1987 the Bay of Plenty region suffered an earthquake of magnitude 6.3 on the Richter scale, centred at Edgecumbe. Severe damage to personal and industrial property and drainage systems occurred. In hindsight, although much of the damage was covered by insurance, loans, public and government contributions, the continuing reconstruction costs have had a tremendous impact financially on individuals and the District as a whole. By highlighting some of these ongoing costs and suggestions of alternatives other Rural communities may be better prepared to lessen the effect of a natural disaster such as the Edgecumbe Earthquake of 1987.

Images, eqnz.chch.2010

20130704_7680_EOS M-22 Another one on the way out! The Mack tractor unit with "half a house" ready to depart in the middle of the night, when the roads are quiet. But where is this house heading too? #3900

Research papers, University of Canterbury Library

In 2010 and 2011 Christchurch, New Zealand experienced a series of earthquakes that caused extensive damage across the city, but primarily to the Central Business District (CBD) and eastern suburbs. A major feature of the observed damage was extensive and severe soil liquefaction and associated ground damage, affecting buildings and infrastructure. The behaviour of soil during earthquake loading is a complex phenomena that can be most comprehensively analysed through advanced numerical simulations to aid engineers in the design of important buildings and critical facilities. These numerical simulations are highly dependent on the capabilities of the constitutive soil model to replicate the salient features of sand behaviour during cyclic loading, including liquefaction and cyclic mobility, such as the Stress-Density model. For robust analyses advanced soil models require extensive testing to derive engineering parameters under varying loading conditions for calibration. Prior to this research project little testing on Christchurch sands had been completed, and none from natural samples containing important features such as fabric and structure of the sand that may be influenced by the unique stress-history of the deposit. This research programme is focussed on the characterisation of Christchurch sands, as typically found in the CBD, to facilitate advanced soil modelling in both res earch and engineering practice - to simulate earthquake loading on proposed foundation design solutions including expensive ground improvement treatments. This has involved the use of a new Gel Push (GP) sampler to obtain undisturbed samples from below the ground-water table. Due to the variable nature of fluvial deposition, samples with a wide range of soil gradations, and accordingly soil index properties, were obtained from the sampling sites. The quality of the samples is comprehensively examined using available data from the ground investigation and laboratory testing. A meta-quality assessment was considered whereby a each method of evaluation contributed to the final quality index assigned to the specimen. The sampling sites were characterised with available geotechnical field-based test data, primarily the Cone Penetrometer Test (CPT), supported by borehole sampling and shear-wave velocity testing. This characterisation provides a geo- logical context to the sampling sites and samples obtained for element testing. It also facilitated the evaluation of sample quality. The sampling sites were evaluated for liquefaction hazard using the industry standard empirical procedures, and showed good correlation to observations made following the 22 February 2011 earthquake. However, the empirical method over-predicted liquefaction occurrence during the preceding 4 September 2010 event, and under-predicted for the subsequent 13 June 2011 event. The reasons for these discrepancies are discussed. The response of the GP samples to monotonic and cyclic loading was measured in the laboratory through triaxial testing at the University of Canterbury geomechanics laboratory. The undisturbed samples were compared to reconstituted specimens formed in the lab in an attempt to quantify the effect of fabric and structure in the Christchurch sands. Further testing of moist tamped re- constituted specimens (MT) was conducted to define important state parameters and state-dependent properties including the Critical State Line (CSL), and the stress-strain curve for varying state index. To account for the wide-ranging soil gradations, selected representative specimens were used to define four distinct CSL. The input parameters for the Stress-Density Model (S-D) were derived from a suite of tests performed on each representative soil, and with reference to available GP sample data. The results of testing were scrutinised by comparing the data against expected trends. The influence of fabric and structure of the GP samples was observed to result in similar cyclic strength curves at 5 % Double Amplitude (DA) strain criteria, however on close inspection of the test data, clear differences emerged. The natural samples exhibited higher compressibility during initial loading cycles, but thereafter typically exhibited steady growth of plastic strain and excess pore water pressure towards and beyond the strain criteria and initial liquefaction, and no flow was observed. By contrast the reconstituted specimens exhibited a stiffer response during initial loading cycles, but exponential growth in strains and associated excess pore water pressure beyond phase-transformation, and particularly after initial liquefaction where large strains were mobilised in subsequent cycles. These behavioural differences were not well characterised by the cyclic strength curve at 5 % DA strain level, which showed a similar strength for both GP samples and MT specimens. A preliminary calibration of the S-D model for a range of soil gradations is derived from the suite of laboratory test data. Issues encountered include the influence of natural structure on the peak-strength–state index relationship, resulting in much higher peak strengths than typically observed for sands in the literature. For the S-D model this resulted in excessive stiffness to be modelled during cyclic mobility, when the state index becomes large momentarily, causing strain development to halt. This behaviour prevented modelling the observed re- sponse of silty sands to large strains, synonymous with “liquefaction”. Efforts to reduce this effect within the current formulation are proposed as well as future research to address this issue.

Research papers, University of Canterbury Library

The purpose of this thesis is to conduct a detailed examination of the forward-directivity characteristics of near-fault ground motions produced in the 2010-11 Canterbury earthquakes, including evaluating the efficacy of several existing empirical models which form the basis of frameworks for considering directivity in seismic hazard assessment. A wavelet-based pulse classification algorithm developed by Baker (2007) is firstly used to identify and characterise ground motions which demonstrate evidence of forward-directivity effects from significant events in the Canterbury earthquake sequence. The algorithm fails to classify a large number of ground motions which clearly exhibit an early-arriving directivity pulse due to: (i) incorrect pulse extraction resulting from the presence of pulse-like features caused by other physical phenomena; and (ii) inadequacy of the pulse indicator score used to carry out binary pulse-like/non-pulse-like classification. An alternative ‘manual’ approach is proposed to ensure 'correct' pulse extraction and the classification process is also guided by examination of the horizontal velocity trajectory plots and source-to-site geometry. Based on the above analysis, 59 pulse-like ground motions are identified from the Canterbury earthquakes , which in the author's opinion, are caused by forward-directivity effects. The pulses are also characterised in terms of their period and amplitude. A revised version of the B07 algorithm developed by Shahi (2013) is also subsequently utilised but without observing any notable improvement in the pulse classification results. A series of three chapters are dedicated to assess the predictive capabilities of empirical models to predict the: (i) probability of pulse occurrence; (ii) response spectrum amplification caused by the directivity pulse; (iii) period and amplitude (peak ground velocity, PGV) of the directivity pulse using observations from four significant events in the Canterbury earthquakes. Based on the results of logistic regression analysis, it is found that the pulse probability model of Shahi (2013) provides the most improved predictions in comparison to its predecessors. Pulse probability contour maps are developed to scrutinise observations of pulses/non-pulses with predicted probabilities. A direct comparison of the observed and predicted directivity amplification of acceleration response spectra reveals the inadequacy of broadband directivity models, which form the basis of the near-fault factor in the New Zealand loadings standard, NZS1170.5:2004. In contrast, a recently developed narrowband model by Shahi & Baker (2011) provides significantly improved predictions by amplifying the response spectra within a small range of periods. The significant positive bias demonstrated by the residuals associated with all models at longer vibration periods (in the Mw7.1 Darfield and Mw6.2 Christchurch earthquakes) is likely due to the influence of basin-induced surface waves and non-linear soil response. Empirical models for the pulse period notably under-predict observations from the Darfield and Christchurch earthquakes, inferred as being a result of both the effect of nonlinear site response and influence of the Canterbury basin. In contrast, observed pulse periods from the smaller magnitude June (Mw6.0) and December (Mw5.9) 2011 earthquakes are in good agreement with predictions. Models for the pulse amplitude generally provide accurate estimates of the observations at source-to-site distances between 1 km and 10 km. At longer distances, observed PGVs are significantly under-predicted due to their slower apparent attenuation. Mixed-effects regression is employed to develop revised models for both parameters using the latest NGA-West2 pulse-like ground motion database. A pulse period relationship which accounts for the effect of faulting mechanism using rake angle as a continuous predictor variable is developed. The use of a larger database in model development, however does not result in improved predictions of pulse period for the Darfield and Christchurch earthquakes. In contrast, the revised model for PGV provides a more appropriate attenuation of the pulse amplitude with distance, and does not exhibit the bias associated with previous models. Finally, the effects of near-fault directivity are explicitly included in NZ-specific probabilistic seismic hazard analysis (PSHA) using the narrowband directivity model of Shahi & Baker (2011). Seismic hazard analyses are conducted with and without considering directivity for typical sites in Christchurch and Otira. The inadequacy of the near-fault factor in the NZS1170.5: 2004 is apparent based on a comparison with the directivity amplification obtained from PSHA.

Audio, Radio New Zealand

Hon DAVID PARKER to the Minister of Finance: Does he stand by his answer on Tuesday regarding jobs "I think that the number of 170,000 may come from the initial Budget forecast for 2009, perhaps. I cannot remember the year exactly."? Dr KENNEDY GRAHAM to the Minister for Climate Change Issues: Given the recent loss of Māori Party support for his Climate Change Response (Emissions Trading and Other Matters) Amendment Bill, will he consider working with opposition parties on amendments to improve it? LOUISE UPSTON to the Minister of Finance: How is the Government's infrastructure programme contributing to building a more competitive economy? Hon DAVID CUNLIFFE to the Minister for Economic Development: Does he agree with the NZIER shadow board that "the growth outlook for the second half of 2012 looks weak and unemployment remains stubbornly high."? IAN McKELVIE to the Minister for Social Development: What announcements has she made to review Child Youth and Family's complaints process? Hon MARYAN STREET to the Minister of Health: What progress has been made in the delivery of the Prime Minister's Youth Mental Health Project announced in April of this year with an extra $11.3 million provided to support it? JACQUI DEAN to the Minister for the Environment: What reports has she received on the time taken for decisions on notified consents issued under the Resource Management Act 1991? GARETH HUGHES to the Minister of Foreign Affairs: Why did New Zealand pull out of a joint proposal with the United States to create a marine reserve in Antarctica's Ross Sea? Rt Hon WINSTON PETERS to the Prime Minister: Does he stand by the answers he gave yesterday to supplementary question 5 on Oral Question No 7 and supplementary question 3 on Oral Question No 12? NICKY WAGNER to the Minister for Canterbury Earthquake Recovery: What progress has the Government made to support repairing damaged houses and infrastructure following the Canterbury earthquakes? SUE MORONEY to the Prime Minister: Does he stand by his statement on 3News last night, on the subject of Business New Zealand's assertion that women need retraining when returning to employment after extended parental leave that "no. It wouldn't be my view"? JAMI-LEE ROSS to the Minister of Immigration: What is the Government doing to ensure that New Zealanders have first priority for jobs in the Canterbury rebuild?

Research papers, University of Canterbury Library

Advanced seismic effective-stress analysis is used to scrutinize the liquefaction performance of 55 well-documented case-history sites from Christchurch. The performance of these sites during the 2010-2011 Canterbury earthquake sequence varied significantly, from no liquefaction manifestation at the ground surface (in any of the major events) to severe liquefaction manifestation in multiple events. For the majority of the 55 sites, the simplified liquefaction evaluation procedures, which are conventionally used in engineering practice, could not explain these dramatic differences in the manifestation. Detailed geotechnical characterization and subsequent examination of the soil profile characteristics of the 55 sites identified some similarities but also important differences between sites that manifested liquefaction in the two major events of the sequence (YY-sites) and sites that did not manifest liquefaction in either event (NN-sites). In particular, while the YY-sites and NN-sites are shown to have practically identical critical layer characteristics, they have significant differences with regard to their deposit characteristics including the thickness and vertical continuity of their critical zones and liquefiable materials. A CPT-based effective stress analysis procedure is developed and implemented for the analyses of the 55 case history sites. Key features of this procedure are that, on the one hand, it can be fully automated in a programming environment and, on the other hand, it is directly equivalent (in the definition of cyclic resistance and required input data) to the CPT-based simplified liquefaction evaluation procedures. These features facilitate significantly the application of effective-stress analysis for simple 1D free-field soil-column problems and also provide a basis for rigorous comparisons of the outcomes of effective-stress analyses and simplified procedures. Input motions for the analyses are derived using selected (reference) recordings from the two major events of the 2010-2011 Canterbury earthquake sequence. A step-by-step procedure for the selection of representative reference motions for each site and their subsequent treatment (i.e. deconvolution and scaling) is presented. The focus of the proposed procedure is to address key aspects of spatial variability of ground motion in the near-source region of an earthquake including extended-source effects, path effects, and variation in the deeper regional geology.

Audio, Radio New Zealand

PHIL TWYFORD to the Minister for Building and Construction: Does he agree with Mainfreight founder and Chairman Bruce Plested that housing is a “social disgrace”, that the market cannot sort out this problem, and that real leadership and intestinal fortitude is needed now? JONATHAN YOUNG to the Minister of Finance: What reports has he received on real after-tax wages rising in New Zealand? CHRIS HIPKINS to the Minister of Education: Will she apologise on behalf of the Government for the flawed handling of the Canterbury school mergers and closures after the 2011 earthquakes; if not, why not? ANDREW BAYLY to the Minister for Building and Construction: What progress has the Government made in improving the tenancy laws and guidance for dealing with the problem of methamphetamine testing and contamination? CARMEL SEPULONI to the Associate Minister for Social Housing: What motels has the Government purchased in response to the increased emergency housing demand, and how much has this cost? RON MARK to the Prime Minister: Does he stand by all his statements on the Clutha-Southland electorate office issue even if facts known to him make doing so extraordinarily difficult? MAUREEN PUGH to the Minister of Corrections: How is Budget 2017 investing in rehabilitation and reintegration outcomes for offenders? Hon DAVID PARKER to the Minister of Local Government: Does she agree with the Prime Minister’s answer yesterday that drinking-water contamination in Havelock North was “about local government performance and overseeing ratepayer-funded assets whose purpose is to deliver clean and healthy water to its local people. The extensive inquiry into that incident was warranted by widespread illness in the area ... it is about local body performance in overseeing their clean water system”? BRETT HUDSON to the Minister of Local Government: What recent announcements has she made regarding Wellington’s resilience to natural hazards? JULIE ANNE GENTER to the Minister of Transport: Will the Government start building rail to the airport sooner if Auckland hosts the next America’s Cup regatta or will Aucklanders still have to wait 30 years? STUART NASH to the Minister of Police: Does she have any concerns about any of the results of the New Zealand Police Workplace Survey 2017; if so, what in particular? ALASTAIR SCOTT to the Associate Minister of Education: What recent announcements has he made to improve school infrastructure in the Wairarapa?

Research papers, University of Canterbury Library

There has not been substantial research conducted in the area of fraud and natural disasters. Therefore, this study sought to examine the perceptions of Canterbury residents toward the recovery process following the September 2010 and February 2011 earthquakes and whether residents felt as though contractor fraud occurs in Canterbury. A questionnaire was developed to gauge information about Canterbury residents’ self-reports involving the earthquakes, specific contractors involved, parties involved with the recovery process in general, and demographic information. Participants included a total of 213 residents from the Canterbury region who had been involved with contractors and/or insurance companies due to the recovery process. Results indicated that a high percentage of the participants were not satisfied with the recovery process and that almost half of the participants reported feeling scammed by contractors in Canterbury after the 2010 and 2011 earthquakes. Moreover, the results indicate that participants neither agreed with the assessments made about their property losses nor the plans made to recover their properties. In many cases, participants felt pressured and even reluctant to accept these assessments and/or plans. The present study does not seek to explain why contractor fraud exists or what motivates scammers. Conversely, it attempts to demonstrate the perceptions of contractor fraud and satisfaction that have taken place in the aftermath of the Canterbury earthquakes.

Audio, Radio New Zealand

As Auckland and Northland brace for more atrocious weather, city leaders are calling for funding to repair the city's broken infrastructure to be along the lines of the help given to Christchurch after the quakes. Auckland deputy mayor Desley Simpson says that the damage so far is equivalent to the biggest non earthquake event the country has ever had and should be treated accordingly. The Opportunities Party says the "alliance" model established after the earthquakes, was effective and would work for Auckland's rebuild, because it provides a structure that the Central Government can fund directly. ToP leader Raf Manji was a Christchurch councillor after the quakes and closely involved in the rebuild. He tells Kathryn Ryan it is vital to ensure water and transport infrastructure is repaired quickly and efficiently, especially with a view to future extreme weather events - and there is much to learn from the post-quake rebuild.

Research papers, Lincoln University

The earthquakes that struck Ōtautahi/Christchurch began September 2010 and continued throughout2012 with the worse shock being February 22, 2011. The extended ‘seismic event’ radically altered thegeophysical and socio-cultural environments of the city. This working paper presents a broad array of datadescribing the impacts of the disaster on Māori. These data frame the results of small email surveyconducted 18 months after the most destructive February 22, 2011. This survey followed two projectsinvestigating the resilience of Māori to the disaster (Lambert & Mark-Shadbolt, 2011; Lambert & Mark-Shadbolt, 2012; Lambert, Mark-Shadbolt, Ataria, & Black, 2012). Results show that while the termresilience has become common to the point of cliché, the Māori experience thus far is best described asendurance.