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Images, UC QuakeStudies

Photograph captioned by Fairfax, "Christchurch Earthquake. Shops on the corner of Cranford Street and Westminster Street were torn down this afternoon as they had been deemed too dangerous after Saturday's earthquake in Christchurch. Rose Lennon and her son Myles Alexander were in one of the shops just hours before the police deemed it too dangerous".

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Christchurch Earthquake. Shops on the corner of Cranford Street and Westminster Street were torn down this afternoon as they had been deemed too dangerous after Saturday's earthquake in Christchurch. Rose Lennon and her son Myles Alexander were in one of the shops just hours before the police deemed it too dangerous".

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Christchurch Earthquake. Shops on the corner of Cranford Street and Westminster Street were torn down this afternoon as they had been deemed too dangerous after Saturday's earthquake in Christchurch. Rose Lennon and her son Myles Alexander were in one of the shops just hours before the police deemed it too dangerous".

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Christchurch Earthquake. Shops on the corner of Cranford Street and Westminster Street were torn down this afternoon as they had been deemed too dangerous after Saturday's earthquake in Christchurch. Rose Lennon and her son Myles Alexander were in one of the shops just hours before the police deemed it too dangerous".

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Christchurch Earthquake. Shops on the corner of Cranford Street and Westminster Street were torn down this afternoon as they had been deemed too dangerous after Saturday's earthquake in Christchurch. Rose Lennon and her son Myles Alexander were in one of the shops just hours before the police deemed it too dangerous".

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Christchurch Earthquake. Shops on the corner of Cranford Street and Westminster Street were torn down this afternoon as they had been deemed too dangerous after Saturday's earthquake in Christchurch. Rose Lennon and her son Myles Alexander were in one of the shops just hours before the police deemed it too dangerous".

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Christchurch Earthquake. Shops on the corner of Cranford Street and Westminster Street were torn down this afternoon as they had been deemed too dangerous after Saturday's earthquake in Christchurch. Rose Lennon and her son Myles Alexander were in one of the shops just hours before the police deemed it too dangerous".

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Christchurch Earthquake. Shops on the corner of Cranford Street and Westminster Street were torn down this afternoon as they had been deemed too dangerous after Saturday's earthquake in Christchurch. Rose Lennon and her son Myles Alexander were in one of the shops just hours before the police deemed it too dangerous".

Images, UC QuakeStudies

Photograph captioned by Fairfax, "Christchurch Earthquake. Shops on the corner of Cranford Street and Westminster Street were torn down this afternoon as they had been deemed too dangerous after Saturday's earthquake in Christchurch. Rose Lennon and her son Myles Alexander were in one of the shops just hours before the police deemed it too dangerous".

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 landscape colour digital photograph taken on 26 May 2013 on Winchester Street, Lyttelton. The photograph shows part of the rear windscreen of a blue car with a sticker which reads 'I don't need sex EQC is screwing me'. The right side of the sticker is torn leaving a jagged edge. The process of negotiation with EQC and insurance companies to...

Images, eqnz.chch.2010

The earthquake re-pair work has started on the Knox Church on Bealey Avenue, August 14, 2013 Christchurch New Zealand. While building after building is torn down in Christchurch, plans are in place to ensure as much of a 131-year-old church is retained as possible. Knox Church on Bealey Avenue suffered major damage in the February 22 earthquak...

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).

Research papers, The University of Auckland Library

Eccentrically Braced Frames (EBFs) are a widely used seismic resisting structural steel system. Since their inception in the late 1970s, they have been a viable option with an available stiffness that is between simple braced systems and moment resisting systems. A similar concept, the linked column frame (LCF), uses shear links between two closely spaced columns. In both cases, the key component is the active link or the shear link, and this component is the objective of this study. The performance of high rise EBF buildings in the 2010 and 2011 Christchurch earthquakes was beyond that which was expected, especially considering the very high accelerations recorded. As the concrete high-rises were torn down, two EBF buildings remained standing and only required some structural repair. These events prompted a renewed interest in bolted shear links, as well as their performance. While some research into replaceable shear links had already been done (Mansour, 2011), the objectives of this study were to improve on the shear link itself, with the consideration that links built in the future are likely to be bolted. The main components of this study were to: 1. Reduce or eliminate the requirements for intermediate web stiffeners, as they were suspected of being detrimental to performance. Furthermore, any reduction in stiffening requirements is a direct fabrication cost saving. Links with low web aspect ratios were found to achieve exceptional ductilities when no stiffeners were included, prompting new design equations. 2. Ensure that the stresses in the ends of links are adequately transferred into the endplates without causing fractures. Although most of the experimental links had web doubler plates included, four had varied lengths of such doubler plates from 0.0 in. to 8.0 in. The link without any doubler plates performed to a similar level to its peers, and thus it is likely that links with quality end details may not need web doubler plates at all. 3. Evaluate the performance of a link with double sided stiffeners without the use of web welds, as opposed to conventional single sided, welded stiffeners. This link performed well, and web-weld-less double sided stiffeners may be an economical alternative to conventional stiffeners for deeper sections of links. 4. Evaluate the performance of a link with thin endplates that are made efficient with the use of gusset plates. This link performed to an acceptable level and provides evidence for a cost effective alternative to thick endplates, especially considering the high overstrength end moments in links, typically requiring 16-bolt connections. 5. Examine the potential use of an alternative EBF arrangement where the collector beam is over sized, and the link section is formed by cutting out parts of the beam's web. After running a series of finite element models each with a unique variation, a number of approximate design rules were derived such that future research could develop this idea further experimentally. 6. Ensure that during testing, the secondary elements (members that are not the shear link), do not yield and are not close to yielding. None of the instrumented elements experienced any unexpected yielding, however the concerns for high stresses in the collector beam panel zone during design were warranted. The use of an existing New Zealand design equation is recommended as an extra check for design codes worldwide. The above objectives were mainly conducted experimentally, except: the data set for item 1 was greatly expanded through the use of a calibrated numerical model which was then used in an extensive parametric study; item 5 was purely finite element based; and, a small parametric study was included for item 3 in an attempt to expand on the trends found there.