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Images for Repair and reconstruction; more images...

Images, Alexander Turnbull Library

In the first of two frames which represents 'now' is a row of houses in the bay; two old-style character villas flank a modern house built to look like a boat and someone inside the modern house says proudly that they 'built here because of the character of the bays'. In the second frame which represents 'soon' all of the houses have taken on the character of the modern house and someone from the original modern house can't put their finger on why they feel that 'It's not the same somehow'. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

The title reads 'Future Christchurch CBD?...' Two people stare at numerous large featureless blocks across the Avon River. One says 'Those buildings look pretty ugly' and the other points out that they are 'just the piles'. Context: The Christchurch City Council is moving to impose urban-design etiquette and avert architectural mistakes such as clashing with the neighbours, glaring corporate colours and the long, blank walls common to most suburban shopping malls. The proposed rules will be overseen by an urban-design panel of four experts drawn from a pool of 12 architects, designers, planners and valuers. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

A newspaper lying on the boardroom table has a headline reading 'Top NZ companies planning contributions to earthquake relief'. A group of CEOs at a high level meeting almost have cardiac arrests when the chair reports that 'Some comedian suggested we CEOs donate our salary increases and bonuses... But now, moving on to serious matters... Context - Some big companies like Fletcher Building, General Motors and others have pledged substantial money to the Christchurch earthquake relief funds. The Christchurch earthquake happened 22 February 2011. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

A woman says to a builder 'Christchurch people will really appreciate your help to rebuild - What you construct looks like it's already been hit by an earthquake'. They are standing in front of a very shoddily-built cottage and the garden is festooned with litter. Context - After the Christchurch earthquakes there is a huge emphasis on fast rebuilding with the potential for below standard results.. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

A woman in a burqa walks out of the 'Church of the Multi-denominations'. The church has a steeple and an onion dome. Context: The cartoonist says that the cartoon was drawn for a satirical piece about the rebuilding of Christchurch. Because of the number of churches damaged, including the Anglican cathedral, The cartoon suggests that there should just build one massive church on the AMI stadium site that all religions can use on their particular day....spires would be raised and lowered etc. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

The cartoon shows an enormous ball of red tape and all around frustrated workers carry away their ladders and tools. Context - Three months after a quake that scored a direct hit under Christchurch, many residents are struggling with mountains of paperwork required to get their homes repaired and rebuilt. Reference numbers, codes and Pin numbers permeate our daily living now as we deal with the aftermath of two major earthquakes in six months. People feel they are lucky that they have the EQC pot to draw on, but there are a lot of complexities, anomalies and frustrations. (BBC News 21 May 2011) Colour and black and white versions available Quantity: 2 digital cartoon(s).

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, Alexander Turnbull Library

Text reads 'The new liquefaction?...' and the cartoon depicts a huge mass of 'insurance red tape' inside which is a man with a spade. Two people stare despairingly at the red tape and the man says 'How are we EVER gonna rebuild with this stuff bubbling up!' Context: The people are trying to rebuild their house after the Christchurch earthquakes and are having trouble with their insurance company. The Press has been contacted by people unable to get insurance to buy new homes, construct buildings or start businesses. Business leaders have called insurance delays a "cancer" eating away at the city's recovery, and Earthquake Recovery Minister Gerry Brownlee has acknowledged insurance is an "ongoing problem". (The Press - 24 August 2011) Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

The cartoon depicts a rose window set in a stone wall. The glass circles each contain a dollar sign. Refers to the future of the Christchurch Cathedral after the Canterbury earthquakes of 2010 and 2011. The Anglican Church seemed to only consider the money in arguing that it would be too expensive to be repaired or rebuilt. Title from file name Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

Text above reads 'Central Christchurch business owners protest' and the words 'Cordon Blur' (wordplay on famous cookery schools 'Cordon Bleu' and 'blur' as in 'unclear'). The cartoon shows a striped barrier bearing the words 'KEEP OUT' that is being torn to pieces. A second version continues the text to read 'Central Christchurch business owners protest as future directions unclear'. Context - Protests from angry Christchurch business owners locked out of the damaged CBD have intensified today, with police physically intervening when several protesters went inside the cordon. They are worried about the state of their businesses inside the red zone, and say they have not been allowed in to collect critical records and basic tools so they can carry on working outside the cordon. (NZ Herald 21 March 2011) Quantity: 2 digital cartoon(s).

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, Alexander Turnbull Library

Minister for Christchurch Recovery, Gerry Brownlee drives a huge tractor among debris that spells out 'Due Process' and says 'In order to get Christchurch back on its feet again we have to bring parliament to its knees. Context - The minister says he is happy with the speed of the work being done, as he wants tomake sure those involved in the rebuild portion of the recovery effort are well prepared. The bill establishes the Canterbury Earthquake Recovery Authority (Cera) and empowers it to lead reconstruction efforts in Christchurch. It gives Cera specific powers to get information from any source, to requisition and build on land and to carry out demolitions. It can also take over local authorities if they are not working effectively on recovery work. Quantity: 1 digital cartoon(s).

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, Alexander Turnbull Library

'The Politician' cartoon strip. A member of the government staff reads in a newspaper 'These emergency powers they've given the minister are the equivalent of war powers' and he adds 'and he's making the most of them!' The second frame shows a minister wearing a military uniform with cap that includes copious braiding and medals; he is sitting behind a desk labelled 'Minister General'. Context - Canterbury Earthquake Recovery Authority (CERA) will be established as a stand-alone government department to enable an effective, timely and co-ordinated rebuilding and recovery effort in Canterbury. The controversial bill empowers the new Canterbury Earthquake Recovery Authority (Cera) to take control of councils it believes are failing on reconstruction work. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

A business owner has been allowed into the 'Red Zone' in the Christchurch CBD in order to investigate the damage to his business premises. He is dismayed to discover that he has forgotten his keys; the Civil Defence officer who is with him, looks at him askance as the door is the only part of his premises still standing. Context - Some time after the earthquake of 22 March 2011 business owners were allowed through the cordon to collect belongings and see their premises for themselves. Colour and black and white versions of this cartoon are available Quantity: 2 digital cartoon(s).

Images, Alexander Turnbull Library

Shows a sick and damaged Christchurch Anglican Cathedral in a hospital bed with two attendants. The Cathedral asks 'Can ya just pull the plug and let me die peacefully?'. Context refers to recent comments by Bishop Victoria Matthews that the Christchurch Cathedral is 'being left to die with no dignity' because of ongoing legal battles about its future. There has been ongoing debate and controversy over whether the Cathedral should be demolished, reconstructed or restored following damage suffered in the February 2011 Earthquake. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

The cartoon, which looks like a woodcut depicts a muscled workman wearing a black singlet; his arms are folded and the fingers of one hand are crossed. On his arms are tattoos of a helmet and pick, a '$' symbol, a petrol pump, and a high magnitude earthquake graph. Behind him are buildings, including the Christchurch Cathedral, damaged following the Christchurch earthquake of 22 February 2011. Below the cartoon are the words 'Apologies to Nigel Brown' - a black singlet is a recurring motif in the work of New Zealand artist Nigel Brown. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

The cartoon shows a monstrous machine with an enormous crushing ball attached to a giant crane. It moves past a signpost that points towards Christchurch. A man watches and tells his friend 'Gerry Brownlee borrowed it from Auckland! Context - Brownlee has caused a stir by suggesting that if he had his way some of Christchurch's older buildings would be "down tomorrow". He also said the price of saving some historic buildings badly damaged in the February 22 earthquake was too high. People had died in the quake because of attempts to save historic buildings badly damaged in the September 4 quake. Brownlee said he had no regrets despite the stir his comments caused - but he was annoyed by suggestions the Cathedral and Riccarton House were among buildings he thought should be bowled. He believed those buildings should be saved, and they would be. "I'm not a philistine; I was chairman of the trust that actually saved Riccarton House from the bulldozers in 1990. "I understand conservation architecture very well and I do have an appreciation of heritage buildings." Colour and black and white versions available Quantity: 2 digital cartoon(s).

Images, Alexander Turnbull Library

Depicts huge elderly woman with 'CERA' on her dress scolding smaller adult dressed as schoolboy near bustop with sign 'CBD red zone tours' Text reads 'And don't talk to strangers and don't cross the road and remember to eat your lunch..' Context: After the 22 Feburary 2011 earthquake in Christchurch, the central business district (CBD) was marked as a red zone. Red zone areas were deemed unsuitable for habitation due to significant damage and at high risk of further damage from low levels of earth shaking. CERA (Christchurch Earthquake Recovery Authority) ran public bus tours of the Christchurch CBD from November to December 2011. For safety reasons the public was not allowed off the buses as it was a dangerous and active demolition site. Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

Three people stand looking down at a small model of the 'Christchurch CBD'. One of the people says 'Love the safer low-rise plan What's the scale?' A second man says 'Scale? Er this is the actual size!' Context: Christchurch Mayor Bob Parker has dedicated the draft plan for a new-look Christchurch CBD to those lost in the February earthquake. The CBD will be about a quarter of its original size under the draft plan which was unanimously adopted by the council today. (TVNZ 11 August 2011) 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

An interested passerby assumes that a builder will be keen to get some EQC work fixing up Christchurch but the builder replies 'Are you kidding?! Not while EQC is paying us $4500 a week to do its assessments!' Context - The Earthquake Commission (EQC) has employed 414 contractors to carry out the assessments on its behalf, Radio New Zealand reported. Contractors carrying out property inspections of quake-damaged Christchurch homes are being paid about $4000 a week. Contractors are paid $75 an hour, while the builders, who inspect the damage, receive $60 an hour, the broadcaster said. (8 June 2011) Colour and black and white versions available Quantity: 2 digital cartoon(s).

Images, Alexander Turnbull Library

In the foreground PM John Key drives a bulldozer over Christchurch; in the background two engineers read a newspaper report that says 'P.M. gives false demolition number, PM gives false World Cup hope' and one of them says 'Now I know why those things are called BULLdozers..' Context - Prime Minister John Key is sticking to a government estimate that 10,000 Christchurch homes will need to be razed despite criticism that he should wait for official figures; he also stated that 100,000 homes may need repairs, despite Civil Defence saying it has only checked 70,000 homes so far. John Key was also insisting that there was a chance of keeping World Cup rugby games in Christchurch but an official announcement on 16 March dashed those hopes. Quantity: 1 digital cartoon(s).

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.