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Images for Canterbury earthquakes; more images...

Images, Alexander Turnbull Library

Finance Minister Bill English takes a chain saw to a huge tome that represents the 'NZ Government BUDGET May 2011'. Context - the Government says cutting budget spending is necessary because it is going to have to pay back money borrowed to rebuild Christchurch. The Government will face the biggest budget deficit in New Zealand's history at the end of the current financial year, Finance Minister Bill English says. (NZ Herald 31 March 2011) Quantity: 1 digital cartoon(s).

Images, UC QuakeStudies

A photograph of the rebuilt Blackwell's Department Store on the corner of Williams Street and Raven Quay in Kaiapoi. The department store was rebuilt after the previous building was damaged in the 2010 and 2011 Canterbury earthquakes. This photograph was modelled off an image taken by BeckerFraserPhotos in September 2010.

Images, UC QuakeStudies

The Taiwanese Search and Rescue team being farewelled at the Christchurch International Airport after helping out with the emergency response to the Canterbury Earthquake. To the left is Rob Saunders from the New Zealand Fire Department, centre, Kao Wei Liang, Team Leader of the Taiwan USAR team, and right, the Taiwanese ambassador.

Images, UC QuakeStudies

Prime Minister John Key talking to Al Dwyer, the leader of the USAID Disaster Assistance Response Team (DART) outside the US headquarters in Latimer Square. John Key is visiting to thank DART for their efforts in the aftermath of the 22 February 2011 earthquake. Canterbury Recovery Minister Jerry Brownlee is standing beside him.

Images, UC QuakeStudies

Photograph captioned by Fairfax, "John Key on his visit to Kaiapoi and Hororata to meet badly-affected people and see the damage from the earthquake. John Key talks to Murray Rowlands, the Federated Farmers North Canterbury Grain and Feeds Chairperson, with Agriculture Minister David Carter. They are on the Deans' property in Homebush".

Images, UC QuakeStudies

Prime Minister John Key talking to Al Dwyer and members of the USAID Disaster Assistance Response Team (DART) outside the US headquarters in Latimer Square. John Key is visiting to thank DART for their efforts in the aftermath of the 22 February 2011 earthquake. Canterbury Recovery Minister Gerry Brownlee is standing behind him.

Images, UC QuakeStudies

Prime Minister John Key talking to Al Dwyer, the leader of the USAID Disaster Assistance Response Team (DART) outside the US headquarters in Latimer Square. John Key is visiting to thank DART for their efforts in the aftermath of the 22 February 2011 earthquake. Canterbury Recovery Minister Jerry Brownlee is standing behind him.

Audio, Radio New Zealand

University of Canterbury's Professor David Schiel is looking at how biological habitats are responding and recovering along the approximately 130km of coastline effected by November's magnitude 7.8 earthquakes. He wants people who are riding quad bikes over the newly uplifted land to be mindful of the possible consequences on the bird and sea life living there.

Audio, Radio New Zealand

Hide backs Garrett despite passport fraud, Christchurch firms hopeful RBNZ will keep rates on hold, Radio New Zealand's political editor discusses Act turmoil, Earthquake muddies picture on future OCR rises, State of emergency expected to be lifted in Canterbury, Kaikoura slip due to be cleared today and Statue of Battle of Britain hero Sir Keith Park unveiled in London.

Audio, Radio New Zealand

Billy Kristian of The Invaders shares his memories of Ray Columbus who has died at the age of 74. Islay Marsden of the University of Canterbury discusses what clearing rocks and silt from quake-induced landslides will do to the coastal environment. Kevin Furlong of Penn State University discusses the connection between the earthquakes and various faultline systems.

Audio, Radio New Zealand

The immediate aftermath of the devastating 2011 Christchurch earthquake and its ongoing impact on residents' mental health is being described as a recovery of two halves. The latest wellbeing survey from the Canterbury District Health Board shows that one in five people, predominantly those living in the eastern suburbs, say they experience stress most or all of the time.

Audio, Radio New Zealand

The National Party wants to force councils to free up land for development in a bid to get more houses built. The party's proposal would give the government emergency powers modelled on those used to speed up house building in Canterbury following the earthquakes in 2010 and 2011. Party leader Judith Collins spoke to Corin Dann.

Images, UC QuakeStudies

Earthquake victims wrapped in blankets at the medical centre set up in Latimer Square. A tent in the background has been set up for shelter, and stretchers and medical supplies are stacked up beside it. Avove, a helicopter can be seen carrying a monsoon bucket filled with water to put out fire at the Canterbury Television building.

Audio, Radio New Zealand

A new study suggests young Maori wahine are being let down by the health system, because of inadequate information to help them find a midwife; A South Island marae has accepted a donation to repair its wharekai damaged during the 2011 Canterbury earthquakes; About 750 Maori and Pasifika Auckland tertiary students will celebrate their academic achievement this week.

Research papers, University of Canterbury Library

The 4 September 2010 Darfield and 22 February 2011 Christchurch earthquakes caused significant damage to Christchurch and surrounding suburbs as a result of the widespread liquefaction and lateral spreading that occurred. Ground surveying-based field investigations were conducted following these two events in order to measure permanent ground displacements in areas significantly affected by lateral spreading. Data was analysed with respect to the distribution of lateral spreading vs. distance from the waterway, and the failure patterns observed. Two types of failure distribution patterns were observed, a typical distributed pattern and an atypical block failure. Differences in lateral spreading measurements along adjacent banks of the Avon River in the area of Dallington were also examined. The spreading patterns between the adjacent banks varied with the respective river geometry and/or geotechnical conditions at the banks.

Research papers, University of Canterbury Library

A building boom in the 1980s allowed pre-stressed hollow-core floor construction to be widely adopted in New Zealand, even though the behaviour of these prefabricated elements within buildings was still uncertain. Inspections following the Canterbury and Kaikōura earthquakes has provided evidence of web-splitting, transverse cracking and longitudinal splitting on hollow-core units, confirming the susceptibility of these floors to undesirable failure modes. Hollow-core slabs are mainly designed to resist bending and shear. However, there are many applications in which they are also subjected to torsion. In New Zealand, hollow-core units contain no transverse reinforcement in the soffit concrete below the cells and no web reinforcement. Consequently, their dependable performance in torsion is limited to actions that they can resist before torsional cracking occurs. In previous work by the present authors, a three-dimensional FE modelling approach to study the shear flexural behaviour of precast pre-stressed hollow core units was developed and validated by full-scale experiments. This paper shows how the FE analyses have been extended to investigate the response of HC units subjected to torsional actions. Constitutive models, based on nonlinear fracture mechanics, have been used to numerically predict the torsional capacity of HC units and have been compared with experimental results. The results indicate that the numerical approach is promising and should be developed further as part of future research.

Research papers, University of Canterbury Library

Recent earthquakes in New Zealand proved that a shift is necessary in the current design practice of structures to achieve better seismic performance. Following such events, the number of new buildings using innovative technical solutions (e.g. base isolation, controlled rocking systems, damping devices, etc.), has increased, especially in Christchurch. However, the application of these innovative technologies is often restricted to medium-high rise buildings due to the maximum benefit to cost ratio. In this context, to address this issue, a multi-disciplinary geo-structural-environmental engineering project funded by the Ministry of Business Innovation and Employment (MBIE) is being carried out at the University of Canterbury. The project aims at developing a foundation system which will improve the seismic performance of medium-density low-rise buildings. Such foundation is characterized by two main elements: 1) granulated tyre rubber mixed with gravelly soils to be placed beneath the structure, with the goal of damping part of the seismic energy before it reaches the superstructure; and 2) a basement raft made of steel-fibre rubberised concrete to enhance the flexibility of the foundation under differential displacement demand. In the first part of this paper, the overarching objectives, scope and methodology of the project will be briefly described. Then, preliminary findings on the materials characterization, i.e., the gravel-rubber mixtures and steel-fibre rubberised concrete mixes, will be presented and discussed with focus on the mechanical behaviour.

Research papers, University of Canterbury Library

Following the recent earthquakes in Chile (2010) and New Zealand (2010/2011), peculiar failure modes were observed in Reinforced Concrete (RC) walls. These observations have raised a global concern on the contribution of bi-directional loading to these failure mechanisms. One of the failure modes that could potentially result from bidirectional excitations is out-of-plane shear failure. In this paper an overview of the recent experimental and numerical findings regarding out-of-plane shear failure in RC walls are presented. The numerical study presents the Finite Element (FE) simulation of wall D5-6 from the Grand Chancellor Hotel that failed in shear in the out-of-plane direction in the February 2011 Christchurch earthquake. The main objective of the numerical study was to investigate the reasons for this failure mode. The experimental campaign includes the recent experiments conducted in the Structural Engineering Laboratory of the University of Canterbury. The experimental study included three rectangular slender RC walls designed based on NZS3101: 2006-A3 (2017) for three different ductility levels, namely: nominally ductile, limited ductile and ductile. The numerical results showed that high axial load combined with bi-directional loading caused the out-of-plane shear failure in wall D5-6 from the Grand Chancellor Hotel. This was also confirmed and further investigated in the experimental phase of the study.

Research papers, University of Canterbury Library

At 00:02 on 14th November 2016, a Mw 7.8 earthquake occurred in and offshore of the northeast of the South Island of New Zealand. Fault rupture, ground shaking, liquefaction, and co-seismic landslides caused severe damage to distributed infrastructure, and particularly transportation networks; large segments of the country’s main highway, State Highway 1 (SH1), and the Main North Line (MNL) railway line, were damaged between Picton and Christchurch. The damage caused direct local impacts, including isolation of communities, and wider regional impacts, including disruption of supply chains. Adaptive measures have ensured immediate continued regional transport of goods and people. Air and sea transport increased quickly, both for emergency response and to ensure routine transport of goods. Road diversions have also allowed critical connections to remain operable. This effective response to regional transport challenges allowed Civil Defence Emergency Management to quickly prioritise access to isolated settlements, all of which had road access 23 days after the earthquake. However, 100 days after the earthquake, critical segments of SH1 and the MNL remain closed and their ongoing repairs are a serious national strategic, as well as local, concern. This paper presents the impacts on South Island transport infrastructure, and subsequent management through the emergency response and early recovery phases, during the first 100 days following the initial earthquake, and highlights lessons for transportation system resilience.

Research papers, University of Canterbury Library

At 00:02 on 14th November 2016, a Mw 7.8 earthquake occurred in and offshore of the northeast of the South Island of New Zealand. Fault rupture, ground shaking, liquefaction, and co-seismic landslides caused severe damage to distributed infrastructure, and particularly transportation networks; large segments of the country’s main highway, State Highway 1 (SH1), and the Main North Line (MNL) railway line, were damaged between Picton and Christchurch. The damage caused direct local impacts, including isolation of communities, and wider regional impacts, including disruption of supply chains. Adaptive measures have ensured immediate continued regional transport of goods and people. Air and sea transport increased quickly, both for emergency response and to ensure routine transport of goods. Road diversions have also allowed critical connections to remain operable. This effective response to regional transport challenges allowed Civil Defence Emergency Management to quickly prioritise access to isolated settlements, all of which had road access 23 days after the earthquake. However, 100 days after the earthquake, critical segments of SH1 and the MNL remain closed and their ongoing repairs are a serious national strategic, as well as local, concern. This paper presents the impacts on South Island transport infrastructure, and subsequent management through the emergency response and early recovery phases, during the first 100 days following the initial earthquake, and highlights lessons for transportation system resilience.

Images, Alexander Turnbull Library

The scene shows a tract of land with a jagged crack running through it. An arm representing the 'Council' reaches out of the crack and points a finger. Someone from the 'Tibetan Community' whose head cannot be seen says 'Surely you can lift finger higher than that?' Context: The Dalai Lama visited Christchurch after the earthquakes but The Dalai Lama's New Zealand representative is accusing the Christchurch City Council of snubbing the spiritual leader during his visit, suggesting ties with China are to blame. In a letter to Christchurch Mayor Bob Parker, New Zealand Tibetan community representative Thuten Kesang said he was disappointed the council "did not lift a finger to help" the Dalai Lama during his visit to the earthquake-hit city in June. Christchurch has a sister-city relationship with the Chinese Gansu Province and Wuhan City. Kesang said he believed this relationship made the council reluctant to engage with the exiled Tibetan leader. (Press - 10 August 2011) Quantity: 1 digital cartoon(s).

Research papers, University of Canterbury Library

Welcome to the first Recover newsletter from the Marine Ecology Research Group (MERG) at the University of Canterbury. Recover is designed to keep you updated on our MBIE funded earthquake recovery project called RECOVER (Reef Ecology, Coastal Values & Ecosystem Recovery). This first issue provides a summary of some of the big changes we’ve seen. In the next issue we’ll be profiling some of the current research as well as ways you can get involved!

Videos, UC QuakeStudies

A video of a tour of Lion Nathan's Canterbury Brewery, where employees are cleaning up after the 4 September 2010 earthquake. The video shows footage of Lion Nathan employees clearing away pallets of broken bottles and mopping up spilt beer. It also includes an interview with Neil Hinton, Lion Nathan Corporate Affairs Director, about the beer which has been sent down from Auckland, and the help they are giving to the City Mission.

Research papers, University of Canterbury Library

The 2010-2011 Canterbury earthquakes were recorded over a dense strong motion network in the near-source region, yielding significant observational evidence of seismic complexities, and a basis for interpretation of multi-disciplinary datasets and induced damage to the natural and built environment. This paper provides an overview of observed strong motions from these events and retrospective comparisons with both empirical and physics-based ground motion models. Both empirical and physics-based methods provide good predictions of observations at short vibration periods in an average sense. However, observed ground motion amplitudes at specific locations, such as Heathcote Valley, are seen to systematically depart from ‘average’ empirical predictions as a result of near surface stratigraphic and topographic features which are well modelled via sitespecific response analyses. Significant insight into the long period bias in empirical predictions is obtained from the use of hybrid broadband ground motion simulation. The comparison of both empirical and physics-based simulations against a set of 10 events in the sequence clearly illustrates the potential for simulations to improve ground motion and site response prediction, both at present, and further in the future.

Articles, UC QuakeStudies

Caption reads: "I lived in London all through the Blitz, you get used to these things. Living here after the earthquakes didn’t bother me. I had a small battery operated radio and the neighbour lent me her generator. Initially I used it to run the fridge but after a while I couldn’t get it started. I don’t want to move, to be quite honest. There’s nothing that will be able to replace the life I built here."

Videos, UC QuakeStudies

A video of a presentation by Hugh Cowan, General Manager of Reinsurance, Research and Education at EQC, at the 2016 Seismics in the City Conference. The presentation is titled, "Working Together Strengthens Understanding".The abstract for the presentation reads, "Hear how EQC led a collaborative research project in Canterbury that involved diverse stakeholders from government, council officials and insurers to homeowners, and why collaboration means that Canterbury's geotechnical data is now helping to inform research locally, nationally and around the world."