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Images, UC QuakeStudies

A photograph of mattresses in Cowles Stadium, still in their plastic wrapping waiting to be unwrapped. The stadium was set up as a Civil Defence Report Centre after the 4 September 2010 earthquake and the mattresses were to be used as beds for those displaced by the earthquake.

Images, UC QuakeStudies

A photograph of mattresses in Cowles Stadium, still in their plastic wrapping waiting to be unwrapped. The stadium was set up as a Civil Defence Report Centre after the 4 September 2010 earthquake and the mattresses were to be used as beds for those displaced by the earthquake.

Images, Canterbury Museum

One comprehensive emergency kit contained within a 68 litre heavy duty plastic storage case; includes four personal essentials packs, a survival first aid kit, an After Shake base pack and two 20 litre water storage canisters. Designed by the company After Shake to support a four person household following an emergency. This comprehensive emerg...

Images, Canterbury Museum

One green plastic Port-A-Loo door with surround, lock and mirror on interior; Port-A-Loo logo on front. One of the most immediate challenges facing Christchurch residents following the 22 February 2011 earthquake was the restriction on using residential toilet facilities. The restrictions were implemented due to the extensive damage to sewerage...

Images, Canterbury Museum

One comprehensive emergency kit contained within a 68 litre heavy duty plastic storage case; includes four personal essentials packs, a survival first aid kit, an After Shake base pack and two 20 litre water storage canisters. Designed by the company After Shake to support a four person household following an emergency. This comprehensive emerg...

Images, UC QuakeStudies

A photograph of members of the Wellington Emergency Management Office Emergency Response Team walking down Lichfield Street towards the intersection of Manchester Street. Buildings on either side of the team have been damaged by the earthquake. Plastic and wire fences line the street to the right.

Images, UC QuakeStudies

A photograph of members of the Wellington Emergency Management Office walking down Lichfield Street towards the intersection of Madras Street. Buildings on either side of the street have been damaged by the earthquake. Plastic fences have been places around piles of rubble on the street as cordons.

Images, Alexander Turnbull Library

Surrounded by mud and puddles in Christchurch Prime Minister John Key puts his arm round co-leader of the Maori Party Pita Sharples and smiles happily; behind them is a brand new plastic portaloo. On the ground lies a newspaper with a headline that reads 'Govt. to fund $2m giant RWC plastic waka'. Pita Sharples says 'and to show we're not neglecting our priorities in these austere times, Christchurch will get a new plastic portaloo!' Context - The government has hit back at criticism over a $2 million venue centre in the shape of a waka for the Rugby World Cup (RWC), defending the cost as necessary to host a world-class event. Co-leader of the Maori Party Pita Sharples says the waka will promote Maori culture during the Rugby World Cup and at other events (like the America's Cup). Labour Party MP Shane Jones asks "How can Dr Sharples and Prime Minister John Key actually believe that this expensive indulgence is a positive advertisement for Maori? The truth is they don't but they're both working together in a desperate effort to keep the Maori Party afloat. Quantity: 1 digital cartoon(s).

Images, eqnz.chch.2010

This is what my lunch looked like after spending a month in my office, post-quake. The banana had liquefied in its skin but there wasn't any mould or anything else. The banana absolutely reeked, though; I ended up tossing everything that had been in the lunch box.

Images, UC QuakeStudies

Trucks and diggers build large piles of liquefaction silt. One pile has been covered with plastic sheeting, weighted down with tyres. In the foreground can be seen the Bromley sewage treatment ponds. The photographer comments, "Looking NW from the causeway through the sewage wetlands. Mountains of liquefaction silt are being piled up near the corner of Breezes Rd and SH74-Anzac Drive".

Images, UC QuakeStudies

Trucks and diggers build large piles of liquefaction silt. One pile has been covered with plastic sheeting, weighted down with tyres. In the foreground can be seen the Bromley sewage treatment ponds. The photographer comments, "Looking NW from the causeway through the sewage wetlands. Mountains of liquefaction silt are being piled up near the corner of Breezes Rd and SH74-Anzac Drive".

Images, Canterbury Museum

One metal backed plastic sign, circa 1970s, for Cokers Hotel, Manchester Street, Christchurch detailing hotel services and featuring a map of the central city. The Cokers Hotel was located in central Christchurch at 52 Manchester Street. First licensed by John Etherdan (Jack) Coker in 1867, in 1890 the lease was taken over by Captain Popham, wh...

Images, UC QuakeStudies

A photograph of members of the Wellington Emergency Management Office Emergency Response Team walking down Lichfield Street towards the intersection of Madras Street. There is rubble from several earthquake-damaged buildings on both sides of the road. Plastic fences and road cones have been placed on the street as cordons.

Images, UC QuakeStudies

Smoke billowing from the remains of the collapsed Canterbury Television Building on Madras Street. Flames are visible through a gap in the intact section of the building. Below, emergency personnel can be seen searching the rubble for trapped people. On the right, two workers are using a piece of corrugated plastic as a slide to remove objects from the rubble.

Images, UC QuakeStudies

Emergency personnel searching for people trapped in the collapsed Canterbury Television Building on Madras Street. On the right, a man is using a sheet of corrugated plastic to slide pieces of debris off the building. Smoke is billowing from the remains of the building and a jet of water can be seen in the background, attempting to extinguish the fire.

Images, UC QuakeStudies

A member of the New Zealand Fire Service in a cherry picker spraying water at the fire burning in the collapsed Canterbury Television Building. Smoke is billowing out of the intact section of the building. Below, emergency personnel are searching the rubble for trapped people. A piece of corrugated plastic is being used to slide pieces of debris off the site.

Audio, Radio New Zealand

A new research project will study the ongoing impact of "quake brain" on people's memory and other cognitive functions a decade after the Canterbury earthquakes; a Masterton print business that can't find a way to recycle its plastic waste has highlighted a national problem; a programme offering free period products for all school students is to be rolled out nationwide from June; and why don't we eat possum?

Images, UC QuakeStudies

Emergency personnel searching for people trapped in the collapsed Canterbury Television Building on Madras Street. On the right, a man is using a sheet of corrugated plastic to slide pieces of debris off the building. Smoke is billowing from the remains of the building and a jet of water can be seen in the background, attempting to extinguish the fire.

Images, UC QuakeStudies

Volunteers photographed around one of Gap Filler's painted pianos. The piano has been set up at the demolished site of the Crowne Plaza Hotel. A wooden structure has been built around the piano with Perspex and corrugated iron on top and plastic sheeting to the left and right. This is to protect the piano and pianist from wind and rain.

Images, UC QuakeStudies

A photograph of a group of tents set up in Latimer Square next to the Singapore Rescue Team's store and equipment area. Plastic mesh and tape has been placed around the tents as a fence. The tents were used as temporary accommodation for emergency management personnel after the 22 February 2011 earthquake.

Images, UC QuakeStudies

A photograph looking north up Durham Street from the Gloucester Street intersection. To the left, there is a large pile of rubble from a demolished building, to the right, the Canterbury Provincial Chambers. The Provincial Chambers building has been largely deconstructed and plastic sheeting has been placed over part of the roof. Wire fencing has been placed around the buildings.

Images, UC QuakeStudies

Pallet Golf', a Gap Golf course on a the site of a demolished building. It has been built by Gap Filler to look like a journey through Christchurch. A plastic road cone as well as mini road cones, road signs, tunnels and rivers can be seen. The course has been built using green felt, wooden pallets, tyres, planks of wood and bricks.

Images, Canterbury Museum

One black plastic barrelled wheelbarrow with a blue metal frame, black rubber handles and a pneumatic tyre; manufacturer's name in white on long sides and torn promotional label on short side near handles. Barrel is well used and contains remnants of liquefaction. Used by Student Volunteer Army in the clean up after 4 September 2010 earthquake. ...

Images, Canterbury Museum

One black, red and white plastic-backed fabric uniform badge commemorating the 22 February 2011 earthquake; the words 'Christchurch 6.3 Quake' are embroidered in red along the top along with '22-2-2011' and '12.51pm'; Along the bottom are the words 'In Memory'; In the centre is a map of New Zealand in green with a red embroidered star over Cante...

Images, Canterbury Museum

One circular metal and plastic badge featuring an image of a girl and the words 'We [heart] you Weng'. This personalised badge featuring an image of a girl and a personal message of love, was left at the site of the Canterbury Television (CTV) building after the 22 February 2011 earthquake. It was most likely left in commemoration of someone wh...

Research papers, University of Canterbury Library

One of the most controversial issues highlighted by the 2010-2011 Christchurch earthquake series and more recently the 2016 Kaikoura earthquake, has been the evident difficulty and lack of knowledge and guidelines for: a) evaluation of the residual capacity damaged buildings to sustain future aftershocks; b) selection and implementation of a series of reliable repairing techniques to bring back the structure to a condition substantially the same as prior to the earthquake; and c) predicting the cost (or cost-effectiveness) of such repair intervention, when compared to fully replacement costs while accounting for potential aftershocks in the near future. As a result of such complexity and uncertainty (i.e., risk), in combination with the possibility (unique in New Zealand when compared to most of the seismic-prone countries) to rely on financial support from the insurance companies, many modern buildings, in a number exceeding typical expectations from past experiences at an international level, have ended up being demolished. This has resulted in additional time and indirect losses prior to the full reconstruction, as well as in an increase in uncertainty on the actual relocation of the investment. This research project provides the main end-users and stakeholders (practitioner engineers, owners, local and government authorities, insurers, and regulatory agencies) with comprehensive evidence-based information to assess the residual capacity of damage reinforced concrete buildings, and to evaluate the feasibility of repairing techniques, in order to support their delicate decision-making process of repair vs. demolition or replacement. Literature review on effectiveness of epoxy injection repairs, as well as experimental tests on full-scale beam-column joints shows that repaired specimens have a reduced initial stiffness compared with the undamaged specimen, with no apparent strength reduction, sometimes exhibiting higher displacement ductility capacities. Although the bond between the steel and concrete is only partially restored, it still allows the repaired specimen to dissipate at least the same amount of hysteretic energy. Experimental tests on buildings subjected to earthquake loading demonstrate that even for severe damage levels, the ability of the epoxy injection to restore the initial stiffness of the structure is significant. Literature review on damage assessment and repair guidelines suggests that there is consensus within the international community that concrete elements with cracks less than 0.2 mm wide only require cosmetic repairs; epoxy injection repairs of cracks less and 2.0 mm wide and concrete patching of spalled cover concrete (i.e., minor to moderate damage) is an appropiate repair strategy; and for severe damaged components (e.g., cracks greater than 2.0 mm wide, crushing of the concrete core, buckling of the longitudinal reinforcement) local replacement of steel and/or concrete in addition to epoxy crack injection is more appropriate. In terms of expected cracking patterns, non-linear finite element investigations on well-designed reinforced concrete beam-to-column joints, have shown that lower number of cracks but with wider openings are expected to occur for larger compressive concrete strength, f’c, and lower reinforcement content, ρs. It was also observed that the tensile concrete strength, ft, strongly affects the expected cracking pattern in the beam-column joints, the latter being more uniformly distributed for lower ft values. Strain rate effects do not seem to play an important role on the cracking pattern. However, small variations in the cracking pattern were observed for low reinforcement content as it approaches to the minimum required as per NZS 3101:2006. Simple equations are proposed in this research project to relate the maximum and residual crack widths with the steel strain at peak displacement, with or without axial load. A literature review on fracture of reinforcing steel due to low-cycle fatigue, including recent research using steel manufactured per New Zealand standards is also presented. Experimental results describing the influence of the cyclic effect on the ultimate strain capacity of the steel are also discussed, and preliminary equations to account for that effect are proposed. A literature review on the current practice to assess the seismic residual capacity of structures is also presented. The various factors affecting the residual fatigue life at a component level (i.e., plastic hinge) of well-designed reinforced concrete frames are discussed, and equations to quantify each of them are proposed, as well as a methodology to incorporate them into a full displacement-based procedure for pre-earthquake and post-earthquake seismic assessment.