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Audio, Radio New Zealand

In 1987, Jack Perkins recorded an award-winning documentary capturing the life, the sounds and the personalities of Cathedral Square in Christchurch. Thirty years on, Deborah Nation parallels that experience with the sounds of September 2011 as engineer Gabrielle Parker escorts her Shrough the earthquake Red Zone into the square as it is today.

Audio, Radio New Zealand

Thirty-four years ago, Spectrum producer Jack Perkins recorded his award-winning documentary capturing the life, the sounds and the personalities of Cathedral square in Christchurch. In this edition of The Vault, Deborah Nation parallels that experience with the sounds of 2011 as she is escorted through the earthquake Red Zone into the square as it is today.

Audio, Radio New Zealand

Deborah Nation recalls how it was in the Sound Archives and Radio New Zealand offices in Christchurch on the day of the February earthquake. The building on the corner of Durham and Chester Street West has been condemned. Please be aware that the first sounds of this report may be upsetting, especially to listenners who experienced the earthquake.

Images, UC QuakeStudies

A photograph of the earthquake damage to the Bob Brown's Hi-Fi Sounds building on the corner of Gloucester and Armagh Streets. Many of the windows have broken and wire fencing has been placed around the building as a cordon.

Images, UC QuakeStudies

A photograph of the earthquake damage to the Bob Brown's Hi-Fi Sounds building on the corner of Gloucester and Armagh Streets. Many of the windows have broken and wire fencing has been placed around the building as a cordon.

Audio, UC QuakeStudies

This audio file was recorded in Lyttelton. It captures the human and electronic responses following the 22nd February 2011 earthquake such as people talking, snips of radio broadcast, and alarms going off.

Images, Alexander Turnbull Library

A passerby stops at an advertisement on the lawn outside a house which reads 'Sound commercial property - Christchurch $450,000' and comments to the owner that it 'seems a good buy'. The owner tells him that's 'the yearly rental'. Context - property and rental prices in Christchurch since the earthquakes of 4 September 2010 and 22 February 2011. Quantity: 1 digital cartoon(s).

Images, eqnz.chch.2010

The Cathedral of the Blessed Sacrament, Christcurch, after the 6.3 magnitude quake on 22 February 2011. When The Angels Fall Take your father's cross Gently from the wall A shadow still remaining See the churches fall In mighty arcs of sound And all that they're containing Yet all the rugged souls Looking for their lost homes Shuffle to...

Images, Alexander Turnbull Library

The cartoon shows a room full of dying electronic gadgets like television, sound systems, a digital phone, a computer etc. and a wood burning stove, a candle, an analogue phone and a barbecue that are old technology and so very useful after the Christchurch earthquake of 22 February 2011. The barbecue says 'How can we retire? These youngsters can't cut it!' Published in The Press Quantity: 1 digital cartoon(s).

Images, Alexander Turnbull Library

ACT leader Rodney Hide stands alone in the middle of a blasted plain that was once the 'Christchurch CBD' and says 'A level playing field, excellent. Now we can leave the rest to the market'. Context - Christchurch after the earthquakes of 4 September 2010 and 22 February 2011. ACT explicitly promotes a free market philosophy - a (literal) level playing field in the Christchurch CBD sounds like an excellent opportunity to test the powers of the free market. Quantity: 1 digital cartoon(s).

Audio, UC QuakeStudies

An audio documentary created by Kris Vavasour about the multitude of challenge the musicians, performers and venue owners in Lyttelton face in the aftermath of the Canterbury earthquakes. All songs are from the 'Harbour Union' album (2011), in alphabetical order: 'Even Keel' (Lindon Puffin); 'Ghost of this Town' (Marlon Williams); 'How Lucky You Are' (Delaney Davidson & Marlon Williams); 'Human Enough' (Lindon Puffin); 'It's So Good' (Delaney Davidson); 'Little Mountain Town' (Marlon Williams); 'Rocking Bell' (Adam McGrath); 'The Waterside' (Adam McGrath).

Images, UC QuakeStudies

A motion-blurred photograph of houses, with the Port Hills in the background. The photographer comments, "This I hope gives you a feel of what it feels like in an earthquake. When you spend your whole life thinking that you and your home are built on solid ground, it can be quite a shock when you find it is not. You can feel the house shaking like a dog with a toy, rising up violently underneath you or the most gentle form which is when the ground moves gently like a wave moving under a rowing boat. It is not just the movement, you often get a rumbling sound which can precede a violent shake or can result in no movement at all. This means that some vehicles can sound like the rumbling initially and in the early days would get your heart racing. Another form of stress is when big excavators as heavy as a tank move as you can feel the ground shake from streets away, but you do not always hear the engine. For most of us the problem when the shaking starts, is wondering if this is the start of an extremely violent earthquake or will it peter out".

Videos, NZ On Screen

Chimney Book takes rubble from the Christchurch earthquake, and turns it into the building blocks of a film exploring life in the quake zone. Christchurch musician Blair Parkes took bricks from his chimney — destroyed in the 22 February 2011 aftershocks — painted a letter or symbol on each, then scanned them into his computer. Sound and word form the spine of the result, which is part diary, part experimental film. Parkes explores his experiences of living in Christchurch since the quake through words like 'dust', 'memory', 'place', and a question: 'is it over?'

Images, Alexander Turnbull Library

In the top frame someone unseen (Murray McCully) in the Beehive says 'John! - There's been a bad reaction to us taking special powers to fix problems in Auckland!' Prime Minister John Key says 'What Murray?' In the lower frame Minister for the Rugby World Cup, Murray McCully, says 'The worst hit parts of Christchurch have declared themselves Fan Zones!' and the PM says 'Oh S..t!' The little Evans man says 'Sounds better than Red Zone!' Context: Refers to the chaos over transport and crowd control in the fanzone when much larger numbers of people flocked to the Rugby World Cup opening and revelry than expected. The government used special powers to take over the management of Queens Wharf fanzone spaces previously managed by an Auckland Council group, thus rather undermining the Mayor, Len Brown and the Auckland City Council. A new plan was signed off under special powers by Murray McCully directly after the fiasco. The Christchurch comment refers to the areas worst hit by the earhquakes. Colour and black and white versions available Quantity: 2 digital cartoon(s).

Research papers, University of Canterbury Library

Currently there is a worldwide renaissance in timber building design. At the University of Canterbury, new structural systems for commercial multistorey timber buildings have been under development since 2005. These systems incorporate large timber sections connected by high strength post-tensioning tendons, and timber-concrete composite floor systems, and aim to compete with existing structural systems in terms of cost, constructability, operational and seismic performance. The development of post-tensioned timber systems has created a need for improved lateral force design approaches for timber buildings. Current code provisions for seismic design are based on the strength of the structure, and do not adequately account for its deformation. Because timber buildings are often governed by deflection, rather than strength, this can lead to the exceedence of design displacement limitations imposed by New Zealand codes. Therefore, accurate modeling approaches which define both the strength and deformation of post-tensioned timber buildings are required. Furthermore, experimental testing is required to verify the accuracy of these models. This thesis focuses on the development and experimental verification of modeling approaches for the lateral force design of post-tensioned timber frame and wall buildings. The experimentation consisted of uni-direcitonal and bi-directional quasi-static earthquake simulation on a two-thirds scale, two-storey post-tensioned timber frame and wall building with timber-concrete composite floors. The building was subjected to lateral drifts of up to 3% and demonstrated excellent seismic performance, exhibiting little damage. The building was instrumented and analyzed, providing data for the calibration of analytical and numerical models. Analytical and numerical models were developed for frame, wall and floor systems that account for significant deformation components. The models predicted the strength of the structural systems for a given design performance level. The static responses predicted by the models were compared with both experimental data and finite element models to evaluate their accuracy. The frame, wall and floor models were then incorporated into an existing lateral force design procedure known as displacement-based design and used to design several frame and wall structural systems. Predictions of key engineering demand parameters, such as displacement, drift, interstorey shear, interstorey moment and floor accelerations, were compared with the results of dynamic time-history analysis. It was concluded that the numerical and analytical models, presented in this thesis, are a sound basis for determining the lateral response of post-tensioned timber buildings. However, future research is required to further verify and improve these prediction models.