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Images for repair; more images...

Images, UC QuakeStudies

Buckled columns on a house in Wainoni. The photographer comments, "A Sunday afternoon ride to New Brighton, then back via Aranui, Wainoni, Dallington, and Richmond. Not a cheerful experience. 'We've decided you're a repair, not a rebuild after all'. Actually, I think these houses might be red zoned".

Images, UC QuakeStudies

Members of the University of Canterbury's E-Learning team Susan Tull and Nick Ford in their temporary office in the James Hight building. The photographer comments, "Yet another change of workplace for our E-Learning group, as the University juggles people and buildings to carry out earthquake repairs. Susan and Nick settle in".

Images, UC QuakeStudies

Crack repairs on the Rendezvous Hotel in Gloucester Street. Cracks have been injected with epoxy resin using syringes. The epoxy resin leaves a peak around each hole which will be ground down to a smooth surface. The wall will then be repainted. This process actually makes the wall stronger than it was originally.

Videos, UC QuakeStudies

A video about the discovery of a historic tramline on North Avon Road. The video includes an interview with Brent Leersynder, a site engineer for SCIRT, and Steve Timpson, site foreman for SCIRT. The SCIRT team found the tramline while repairing the damaged wastewater system under North Avon Road in May.

Images, UC QuakeStudies

Glass panels with brass surrounds, stacked inside a building. The photographer comments, "These were brass dividers that were brought inside the building two years ago after the Christchurch earthquake. They have been sitting there abandoned in a restaurant that will be either repaired and reopened at a later date or demolished like the many others of its kind".

Images, Canterbury Museum

One landscape colour digital photograph taken on 28 April 2012 looking south from Cunningham Terrace, Lyttelton. The foreground of the photograph shows a blue temporary water supply pipe and markings spray painted on the footpath in preparation for repair work. The fence has a home made sign painted with the Fulton Hogan (FH) logo satirized to ...

Images, Canterbury Museum

One landscape colour digital photograph taken on 28 April 2012 looking south from Cunningham Terrace, Lyttelton. The photograph shows a homemade sign with the text "How Happy are Those Whose Walls Already Rise. Virgil" . The sign is attached to a temporary safety fence on top of a retaining wall awaiting repair. Quoted author The retaining wall...

Images, Alexander Turnbull Library

Shows Christchurch's Anglican cathedral receiving extensive treatment including blood, ambulances, scaffold and signs reading 'save!' In the background Christchurch's Catholic Cathedral says it wants its share of attention as well. Context: The focus of repairing the Christchurch Anglican cathedral appeared to draw focus and resources from the equally historic and damaged Catholic Cathedral. Quantity: 1 digital cartoon(s).

Images, UC QuakeStudies

A proposed design by John Raven for a new cathedral, tied to a cordon fence. Clarendon Tower can be seen in the background. The photographer comments, "Someone is asking for designs for a new Christchurch Cathedral after it was announced that the old historical building will not be repaired, to be put on the fences through which people can see the de-construction of the old one. This design looks a great one to me".

Images, UC QuakeStudies

A digitally manipulated image of furniture and machinery. The photographer comments, "This furniture restoration company got caught in the middle of the Christchurch earthquake and lost a whole wall. After constant exposure to the elements everything now needs a bit of restoration. They are now working in a different part of Christchurch, but their past can still be seen".

Images, Alexander Turnbull Library

Shows a carcass that represents the Christchurch Cathedral with many people rushing to try to save it from demolition. Context: the extremely controversial debate about whether the Christchurch Cathedral which was severely damaged in the earthquakes, should be demolished, rebuilt on the same site in the same style or partially demolished and made into a memorial. Quantity: 1 digital cartoon(s).

Images, UC QuakeStudies

A digitally manipulated image of two chairs sitting among rubble. The photographer comments, "There is a strip of land that has been declared as the red zone. This means that the houses facing towards the tidal estuary must be abandoned as they are on land that has been declared uneconomic to repair after the Christchurch earthquakes. These chairs are at the front of one of these properties that will be bulldozed. These seem to be saying come hell or high water we will not be moved".

Images, Alexander Turnbull Library

Shows Bishop Victoria Matthews reading a brochure offering cheap deals for cathedrals and their various accoutrements. Context: refers to the debate about the fate of the Christchurch Cathedral. Bishop Victoria Matthews is in favour of demolishing the cathedral to a certain safe level. The lobby for saving the cathedral, wrecked by the earthquakes of 2010 and 2011, is very strong. Quantity: 1 digital cartoon(s).

Images, UC QuakeStudies

Liquefaction in a residential property in North New Brighton. The fence has subsided into the silt, and a temporary water line runs along the street in front. The photographer comments, "Because this is in the Christchurch red zone the people living here, if they have lost one of the normal essentials such as sewage they will not get it repaired. It is get out or live in third world conditions. The blue line is the temporary water pipe, which will be removed when the area is depopulated".

Images, UC QuakeStudies

A small wooden cross is inserted between stones laid out in the shape of a large cross. The photographer comments, "This is an Earthquake Memorial on Manchester Street, Christchurch, New Zealand. This message is on the tree next to the memorial: 'Earthquake Memorial. 185 people died as a result of the 22 February 2011 earthquake. 185 precious lives are remembered here, with 185 pieces of Halswell stone recovered from St Luke's Church, damaged beyond repair on that day. May they rest in peace. St Luke's in the City'".

Images, UC QuakeStudies

A view down Beresford Street in New Brighton, looking west towards the city at sunset. The photographer comments, "On the other side of the Avon river from New Brighton is the Bexley red zone. Here numerous earthquake damaged streets of houses will be flattened due to it being to uneconomical in the current climate to repair the land to be suitable for housing. There is a campaign at the moment to try and convert all this red zone land, which is mainly adjacent to the Avon river to a giant park".

Images, UC QuakeStudies

A digitally manipulated image of liquefaction around a house in Avondale. The photographer comments, "The bottom of the gates were swallowed up by liquefaction, but the house still looked in good condition, which was confirmed by builders just going in to work on the property. It is in the Christchurch red zone, which after testing has been deemed unsuitable for houses to be built on. All the land will be bought by the Government and they would also buy any properties that could be repaired. The remaining insured property owners will get a payment from the insurance company. All the buildings are condemned to be knocked down".

Images, Alexander Turnbull Library

Shows a helicopter spray painting Christchurch with the Canterbury colours of black and red. Someone in the helicopter yells that 'it's gotta be better than tint of TC3'. Context: Probably refers to the apology by Earthquake Recovery Minister Gerry Brownlee for offending Christchurch's TC3 residents after saying he was 'sick and tired' of their moaning. TC3 means 'technical category 3'. Land classified TC3 is the mostly badly quake-damaged considered economically repairable. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

Shows a shamrock superimposed on the city of Christchurch. It represents the green zone. Context: Probably refers to the zoning review process for those insured residential property owners who wish to query their land zoning. Zoning of flat land in greater Christchurch began in June last year and was completed last month. Over that period 7253 properties were zoned red as unsuitable for residential occupation due to significant earthquake damage; while a further 180,000 properties were zoned green as suitable for residential occupation, some with conditions. (rebuildchristchurch, 15 June 2012) Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

Refers to the controversy over the decision to demolish the Christchurch Cathedral which was severely damaged in the earthquakes of 2010 and 2011. The Anglican Bishop of Christchurch Victoria Mathews says the decision to demolish the cathedral was reached through prayer, great deliberation and with the utmost concern for safety. The Bishop says a number of options were considered before deciding to bring the walls down but the turning point was 23 December 2011, when a series of strong quakes rocked the city. At that stage the Canterbury Earthquake Authority approached the church. "CERA told us that our plans for making safe and retrieving, and then stepping back and making further decisions were no longer adequate." Christchurch City council announced their support on Twitter this afternoon (17 May 2012) - tweeting an endorsement to an immediate pause on demolition of the Cathedral to enable deeper and more open consideration of options. Quantity: 1 digital cartoon(s).

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).

Research papers, The University of Auckland Library

Following the 2010/2011 Canterbury earthquakes a detailed campaign of door to door assessments was conducted in a variety of areas of Christchurch to establish the earthquake performance of residential dwellings having masonry veneer as an external cladding attached to a lightweight timber framing system. Specifically, care was taken to include regions of Christchurch which experienced different levels of earthquake shaking in order to allow comparison between the performance of different systems and different shaking intensities. At the time of the inspections the buildings in the Christchurch region had been repeatedly subjected to large earthquakes, presenting an opportunity for insight into the seismic performance of masonry veneer cladding. In total just under 1100 residential dwellings were inspected throughout the wider Christchurch area, of which 24% were constructed using the older nail-on veneer tie system (prior to 1996) and 76% were constructed using screw fixed ties to comply with the new 1996 standards revision (post-1996), with 30% of all inspected houses being of two storey construction. Of the inspected dwellings 27% had some evidence of liquefaction, ground settlement or lateral spreading. Data such as damage level, damage type, crack widths, level of repair required and other parameters were collected during the survey. A description of the data collection processes and a snapshot of the analysis results are presented within. http://15ibmac.com/home/

Research papers, University of Canterbury Library

Earthquake Engineering is facing an extraordinarily challenging era, the ultimate target being set at increasingly higher levels by the demanding expectations of our modern society. The renewed challenge is to be able to provide low-cost, thus more widely affordable, high-seismic-performance structures capable of sustaining a design level earthquake with limited or negligible damage, minimum disruption of business (downtime) or, in more general terms, controllable socio-economical losses. The Canterbury earthquakes sequence in 2010-2011 has represented a tough reality check, confirming the current mismatch between societal expectations over the reality of seismic performance of modern buildings. In general, albeit with some unfortunate exceptions, modern multi-storey buildings performed as expected from a technical point of view, in particular when considering the intensity of the shaking (higher than new code design) they were subjected to. As per capacity design principles, plastic hinges formed in discrete regions, allowing the buildings to sway and stand and people to evacuate. Nevertheless, in many cases, these buildings were deemed too expensive to be repaired and were consequently demolished. Targeting life-safety is arguably not enough for our modern society, at least when dealing with new building construction. A paradigm shift towards damage-control design philosophy and technologies is urgently required. This paper and the associated presentation will discuss motivations, issues and, more importantly, cost-effective engineering solutions to design buildings capable of sustaining low-level of damage and thus limited business interruption after a design level earthquake. Focus will be given to the extensive research and developments in jointed ductile connections based upon controlled rocking & dissipating mechanisms for either reinforced concrete and, more recently, laminated timber structures. An overview of recent on-site applications of such systems, featuring some of the latest technical solutions developed in the laboratory and including proposals for the rebuild of Christchurch, will be provided as successful examples of practical implementation of performance-based seismic design theory and technology.

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?

Audio, Radio New Zealand

JAMI-LEE ROSS to the Minister of Finance: What reports has he received on the competitiveness of New Zealand's business sector? ANDREW WILLIAMS to the Minister of Trade: Does he stand by his statement on the Trans-Pacific Partnership that "It's going to be big. It's going to be significant and it's going to help New Zealanders find well-paid jobs"; if so, on what evidence does he base this claim? DAVID SHEARER to the Prime Minister: Does he stand by his statement "…You can trust us. If we say we're going to do something we do it. If we don't, we don't … that's why I've stuck to my guns and I haven't campaigned on one thing and done something different."? METIRIA TUREI to the Prime Minister: Does he stand by his statement regarding investor state disputes procedures proposed in the Trans-Pacific Partnership agreement that "An exclusion solely for Australia and not for everybody else is unlikely to be something we would support"; if so, why? SIMON O'CONNOR to the Minister for Tertiary Education, Skills and Employment: What progress has the Government made to improve the viability of the Student Loan Scheme? JACINDA ARDERN to the Minister for Social Development: How many times, if any, has the Transition to Work Grant, or similar funds, been used by Work and Income New Zealand to purchase tickets to Australia for job seekers who have found work there? SHANE ARDERN to the Minister for Primary Industries: What announcements has he recently made on boosting innovation in the New Zealand primary sector? Hon DAVID PARKER to the Minister of Finance: Does he stand by his statement regarding migration to Australia "What's the point of standing in the airport crying about it?"; if so, how many people have left permanently for Australia since he took office in November 2008? TIM MACINDOE to the Minister for Social Development: What announcements has she made on the Expert Advisory Group on Information Security, who will oversee the development of the initiatives in the Government's White Paper for Vulnerable Children? CHRIS HIPKINS to the Minister of Education: Does she agree with all of the statements the Prime Minister has made regarding food in schools? MOJO MATHERS to the Associate Minister of Health: Other than the LD50 test, will he rule out other animal tests for the pending psychoactive substances testing regime? NICKY WAGNER to the Minister for Canterbury Earthquake Recovery: What progress is the Government making with rebuilding and repairing residential homes in Christchurch?

Research papers, University of Canterbury Library

In the period between September 2010 and December 2011, Christchurch (New Zealand) and its surroundings were hit by a series of strong earthquakes including six significant events, all generated by local faults in proximity to the city: 4 September 2010 (Mw=7.1), 22 February 2011 (Mw=6.2), 13 June 2011 (Mw=5.3 and Mw=6.0) and 23 December 2011 (M=5.8 and (M=5.9) earthquakes. As shown in Figure 1, the causative faults of the earthquakes were very close to or within the city boundaries thus generating very strong ground motions and causing tremendous damage throughout the city. Christchurch is shown as a lighter colour area, and its Central Business District (CBD) is marked with a white square area in the figure. Note that the sequence of earthquakes started to the west of the city and then propagated to the south, south-east and east of the city through a set of separate but apparently interacting faults. Because of their strength and proximity to the city, the earthquakes caused tremendous physical damage and impacts on the people, natural and built environments of Christchurch. The 22 February 2011 earthquake was particularly devastating. The ground motions generated by this earthquake were intense and in many parts of Christchurch substantially above the ground motions used to design the buildings in Christchurch. The earthquake caused 182 fatalities, collapse of two multi-storey reinforced concrete buildings, collapse or partial collapse of many unreinforced masonry structures including the historic Christchurch Cathedral. The Central Business District (CBD) of Christchurch, which is the central heart of the city just east of Hagley Park, was practically lost with majority of its 3,000 buildings being damaged beyond repair. Widespread liquefaction in the suburbs of Christchurch, as well as rock falls and slope/cliff instabilities in the Port Hills affected tens of thousands of residential buildings and properties, and shattered the lifelines and infrastructure over approximately one third of the city area. The total economic loss caused by the 2010-2011 Christchurch earthquakes is currently estimated to be in the range between 25 and 30 billion NZ dollars (or 15% to 18% of New Zealand’s GDP). After each major earthquake, comprehensive field investigations and inspections were conducted to document the liquefaction-induced land damage, lateral spreading displacements and their impacts on buildings and infrastructure. In addition, the ground motions produced by the earthquakes were recorded by approximately 15 strong motion stations within (close to) the city boundaries providing and impressive wealth of data, records and observations of the performance of ground and various types of structures during this unusual sequence of strong local earthquakes affecting a city. This paper discusses the liquefaction in residential areas and focuses on its impacts on dwellings (residential houses) and potable water system in the Christchurch suburbs. The ground conditions of Christchurch including the depositional history of soils, their composition, age and groundwater regime are first discussed. Detailed liquefaction maps illustrating the extent and severity of liquefaction across Christchurch triggered by the sequence of earthquakes including multiple episodes of severe re-liquefaction are next presented. Characteristic liquefaction-induced damage to residential houses is then described focussing on the performance of typical house foundations in areas affected by liquefaction. Liquefaction impacts on the potable water system of Christchurch is also briefly summarized including correlation between the damage to the system, liquefaction severity, and the performance of different pipe materials. Finally, the characteristics of Christchurch liquefaction and its impacts on built environment are discussed in relation to the liquefaction-induced damage in Japan during the 11 March 2011 Great East Japan Earthquake.