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Images for september; more images...

Audio, Radio New Zealand

Back in 2011, a slightly rusty three speed bike abandoned after the September earthquake on a demolition site in Christchurch caught the attention of John Smithies. He's 72, only slightly older than the bike, and he decided it would be just the bicycle to take on a epic, 2000 kilometre journey from Cape Reinga to Bluff. He started in September and expects to reach Bluff on Friday. He's making the epic journey in memory of his wife, Alison who died two years ago of a form of non-Hodgkin lymphoma. The ride down State Highway One is raising money for leukemia and blood cancer.

Videos, UC QuakeStudies

A video of members of the public burning the 'Temple for Christchurch' art piece at the Motukara Raceway. The art piece was designed by artist Hippathy Valentine to provide a mechanism for emotional healing alongside the physical rebuilding of Christchurch. People were encouraged to visit the temple and to write stories and leave memorabilia. The piece is being burned to signify the release of these stories.

Audio, Radio New Zealand

UAVs or Unmanned Aerial Vehicles, or drones as they’re commonly known, are suddenly everywhere. Conservationists and academics are using them to map our rivers; engineers surveyed the interior of the earthquake damaged Christchurch Cathedral with one; and then, of course, there's the military drones used to such lethal affect in Pakistan and Yemen. Ideas visits Palmerston North's Skycam UAV – New Zealand's leading manufacture of UAVs; talks to the interim president of the Association of Unmanned Operations – a union of US drone pilots; and Professor James Cavallaro tells us about the findings of a report he co-authored: 'Living Under Drones: Death, Injury, and Trauma to Civilians from US Drone Practices in Pakistan'.

Videos, UC QuakeStudies

A video of an interview with James Jameson about the lack of access to his apartment in the Victoria Apartments. Many of Jameson's possessions have been trapped in the building since the 22 February 2011 earthquake, including irreplaceable art and book collections. After the earthquake, Jameson was given a couple of hours to retrieve his computer and other essentials, but he has not been allowed in since. Jameson talks about the lack of communication from the authorities , the likelihood that his possessions have been ruined, and his inability to make an insurance claim until he knows he definitely cannot retrieve his possessions.

Videos, UC QuakeStudies

A video of the reopening ceremony for the Heritage Hotel in Cathedral Square, which has been closed since the 22 February 2011 earthquake. The video shows Governor General Sir Jerry Mateparae opening the building while a string trio plays. It also includes footage of a speech by the Governor General, and a tour of the hotel.

Videos, UC QuakeStudies

A video of Lianne Dalziel speaking to a public gathering about her reasons for standing for the mayoralty of Christchurch. Dalziel talks about starting her mayoralty where Share an Idea left off, making the Council a high performing team, and getting the community involved in the decisions about the future of the city. The video also includes footage of Dalziel taking a tour of the Christchurch central city. Dalziel visits the ChristChurch Cathedral, pointing out a sign which reads, "The earthquakes stopped us, but inept procedures are killing us". She also visits the new Westende Jewellers building, which she notes was the first rebuild in the Christchurch central city but will come down as part of CERA's Transport Plan. Dalziel is shown socialising with members of the public and watching the Christchurch Wizard bless New Regent Street.

Videos, UC QuakeStudies

A video of an interview with Julia Morison, a Christchurch-based artist, about her sculptures in a vacant site on the Christchurch central city. The artwork, titled 'Tree Houses for Swamp Dwellers', took over a year to make and will act as a centrepiece for the Scape Public Art festival, which begins on 27 September 2013. The sculpture was designed to provide a playground for children and a shady spot for workers on their lunch breaks. Morison also talks about how the sculpture was designed to be relocated and reconfigured so that it can be moved to a new location when construction begins on the vacant site.

Videos, UC QuakeStudies

A video of an interview with Shaun Gladwell, a London-based artist, about the sculptures he designed for the Christchurch central city. Gladwell talks about how the sculptures are based on skateboard forms and have been designed to be used by skateboarders. He also talks about being inspired by YouTube videos of Christchurch skateboarders who used the damaged landscape in Christchurch as a skate park after the 22 February 2011 earthquake. The video includes clips from some of these YouTube videos.

Videos, UC QuakeStudies

A time-lapse video of New Regent Street, taken from The Press building, which accidentally captured the collapse of the Copthorne Hotel. A cloud of dust from the collapsing building can be seen in the top of the video. The hotel collapsed while it was being demolished.

Videos, UC QuakeStudies

A video of an interview with Alison Locke about the Elsie Locke Park in Christchurch which was created to honour her mother. Locke talks about finding out that the park will be replaced, her fears that other heritage sites in Christchurch will be lost, and her belief that her mother would have wanted the Centennial Swimming Pool to be saved. The park will be replaced with The Margaret Mahy Family Playground, which will include a mix of uniquely-designed playground equipment, recreational spaces, community gardens, art pieces, and water features.

Images, eqnz.chch.2010

20130817_2457_1D3-400 The story of Christchurch (Day 229/365) Many roads are closed all over eastern Christchurch as infra-structure repairs are carried out, whether it be water supplies, sewer repairs (as is the case here) or general road repairs, In just over two weeks it will be three years since the first earthquake happened (4th September...

Research papers, University of Canterbury Library

The Canterbury Earthquakes of 2010-2011, in particular the 4th September 2010 Darfield earthquake and the 22nd February 2011 Christchurch earthquake, produced severe and widespread liquefaction in Christchurch and surrounding areas. The scale of the liquefaction was unprecedented, and caused extensive damage to a variety of man-made structures, including residential houses. Around 20,000 residential houses suffered serious damage as a direct result of the effects of liquefaction, and this resulted in approximately 7000 houses in the worst-hit areas being abandoned. Despite the good performance of light timber-framed houses under the inertial loads of the earthquake, these structures could not withstand the large loads and deformations associated with liquefaction, resulting in significant damage. The key structural component of houses subjected to liquefaction effects was found to be their foundations, as these are in direct contact with the ground. The performance of house foundations directly influenced the performance of the structure as a whole. Because of this, and due to the lack of research in this area, it was decided to investigate the performance of houses and in particular their foundations when subjected to the effects of liquefaction. The data from the inspections of approximately 500 houses conducted by a University of Canterbury summer research team following the 4th September 2010 earthquake in the worst-hit areas of Christchurch were analysed to determine the general performance of residential houses when subjected to high liquefaction loads. This was followed by the detailed inspection of around 170 houses with four different foundation types common to Christchurch and New Zealand: Concrete perimeter with short piers constructed to NZS3604, concrete slab-on-grade also to NZS3604, RibRaft slabs designed by Firth Industries and driven pile foundations. With a focus on foundations, floor levels and slopes were measured, and the damage to all areas of the house and property were recorded. Seven invasive inspections were also conducted on houses being demolished, to examine in more detail the deformation modes and the causes of damage in severely affected houses. The simplified modelling of concrete perimeter sections subjected to a variety of liquefaction-related scenarios was also performed, to examine the comparative performance of foundations built in different periods, and the loads generated under various bearing loss and lateral spreading cases. It was found that the level of foundation damage is directly related to the level of liquefaction experienced, and that foundation damage and liquefaction severity in turn influence the performance of the superstructure. Concrete perimeter foundations were found to have performed most poorly, suffering high local floor slopes and being likely to require foundation repairs even when liquefaction was low enough that no surface ejecta was seen. This was due to their weak, flexible foundation structure, which cannot withstand liquefaction loads without deforming. The vulnerability of concrete perimeter foundations was confirmed through modelling. Slab-on-grade foundations performed better, and were unlikely to require repairs at low levels of liquefaction. Ribraft and piled foundations performed the best, with repairs unlikely up to moderate levels of liquefaction. However, all foundation types were susceptible to significant damage at higher levels of liquefaction, with maximum differential settlements of 474mm, 202mm, 182mm and 250mm found for concrete perimeter, slab-on-grade, ribraft and piled foundations respectively when subjected to significant lateral spreading, the most severe loading scenario caused by liquefaction. It was found through the analysis of the data that the type of exterior wall cladding, either heavy or light, and the number of storeys, did not affect the performance of foundations. This was also shown through modelling for concrete perimeter foundations, and is due to the increased foundation strengths provided for heavily cladded and two-storey houses. Heavy roof claddings were found to increase the demands on foundations, worsening their performance. Pre-1930 concrete perimeter foundations were also found to be very vulnerable to damage under liquefaction loads, due to their weak and brittle construction.

Audio, Radio New Zealand

A Waikato iwi authority says it's struggling to supply the Government with a list of sites of cultural significance; The Government says it is committed to boosting Maori literacy achievement from early childhood and primary school level so that the education system isn't having to catch up all the time; A Ngai Tahu owned South Island whale watching operation say it's excited to be named a finalist in an international tourism award; A multicultural marae has been recognised for its community work, including caring for refugees during the Christchurch earthquake.

Audio, Radio New Zealand

A Waikato iwi authority says it's struggling to supply the Government with a list of sites of cultural significance; The Government says it is committed to boosting Maori literacy achievement from early childhood and primary school level so that the education system isn't having to catch up all the time; A multicultural marae has been recognised for its community work, including caring for refugees during the Christchurch earthquake; A Ngai Tahu owned South Island whale watching operation say it's excited to be named a finalist in an international tourism award.