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Research papers, The University of Auckland Library

Soil Liquefaction during Recent Large-Scale Earthquakes contains selected papers presented at the New Zealand – Japan Workshop on Soil Liquefaction during Recent Large-Scale Earthquakes (Auckland, New Zealand, 2-3 December 2013). The 2010-2011 Canterbury earthquakes in New Zealand and the 2011 off the Pacific Coast of Tohoku Earthquake in Japan have caused significant damage to many residential houses due to varying degrees of soil liquefaction over a very wide extent of urban areas unseen in past destructive earthquakes. While soil liquefaction occurred in naturally-sedimented soil formations in Christchurch, most of the areas which liquefied in Tokyo Bay area were reclaimed soil and artificial fill deposits, thus providing researchers with a wide range of soil deposits to characterize soil and site response to large-scale earthquake shaking. Although these earthquakes in New Zealand and Japan caused extensive damage to life and property, they also serve as an opportunity to understand better the response of soil and building foundations to such large-scale earthquake shaking. With the wealth of information obtained in the aftermath of both earthquakes, information-sharing and knowledge-exchange are vital in arriving at liquefaction-proof urban areas in both countries. Data regarding the observed damage to residential houses as well as the lessons learnt are essential for the rebuilding efforts in the coming years and in mitigating buildings located in regions with high liquefaction potential. As part of the MBIE-JSPS collaborative research programme, the Geomechanics Group of the University of Auckland and the Geotechnical Engineering Laboratory of the University of Tokyo co-hosted the workshop to bring together researchers to review the findings and observations from recent large-scale earthquakes related to soil liquefaction and discuss possible measures to mitigate future damage. http://librarysearch.auckland.ac.nz/UOA2_A:Combined_Local:uoa_alma21151785130002091

Images, UC QuakeStudies

A photograph of the earthquake damage to a building on the corner of Hereford and Madras Street. Sections of the façade have crumbled, bricks spilling onto the road in front. Wire fencing has been used to block off half of Madras Street. In the background, emergency management personnel are working through the rubble of the CTV building site. A digger and a crane are parked on the site.

Images, UC QuakeStudies

A photograph of the earthquake damage to the Cycle Trading store on Manchester Street. The gable of the store has collapsed, and bricks and other rubble have fallen onto the footpath in front. A car parked on the street has been crushed by the fallen rubble. The word "Clear" has been spray-painted on the front of the car. Wire fencing has been placed around the building as a cordon.

Images, UC QuakeStudies

A photograph of members of the Wellington Emergency Management Office Emergency Response Team standing in front of an earthquake-damaged building on Lichfield Street. A section of the roof and the façade on the top storey of the building have collapsed and the bricks and other rubble have spilled onto the footpath and street below. USAR codes have been spray-painted on one of the bottom-storey windows and the front door.

Images, UC QuakeStudies

A photograph of the Wellington Emergency Management Office Emergency Response Team posing for a photograph on Lichfield Street. In the background is the earthquake-damaged John Burns & Co. Ltd Building. The top storey of the side wall of the building has collapsed and the rubble has spilled into the car park below. Several cars which were crushed by the falling rubble have been stacked next to the building.

Images, UC QuakeStudies

A photograph of the earthquake-damaged Stone Chamber of the Canterbury Provincial Council Buildings on Durham Street North. Large sections of the Chamber have collapsed and the masonry and other rubble has spilled onto the footpath in front. To the left scaffolding constructed up the side of the building has also collapsed and twisted out of shape. Wire fences have been placed along the side of the building as a cordon.

Images, UC QuakeStudies

A photograph of the earthquake damage to Café Valentino on Colombo Street. The façade of the closest section of the building has collapsed and the bricks have spilled onto the awning below. The same section of the awning has broken under the weight of the bricks and is resting against the ground. Bricks and other rubble cover the other sections of the awning and have spilled onto the footpath and street in the distance.

Images, UC QuakeStudies

A digitally manipulated image of the sun shining through a stand of pine trees in New Brighton. Some of the trees are on a lean. The photographer comments, "Due to the Christchurch earthquakes and the land subsiding in this area the trees in this area will nearly all be cut down. So these may be the last tall trees to bathe in the sunshine for decades to come".

Images, UC QuakeStudies

A photograph of tents and shipping containers in Hagley Park which were to be part of the Ellerslie International Flower Show. The show was cancelled in the aftermath of the 22 February 2011 earthquake. In the foreground of this photograph, liquefaction can still be seen on the grass.

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.

Images, UC QuakeStudies

A member of the Fire Service entering the Forsyth Barr building through a window in order to check for people trapped by the 22 February 2011 earthquake. A sign reading, "Help" has been stuck to one of the windows and a window above has already been broken by the team.

Images, UC QuakeStudies

A photograph of Elizabeth Ackermann removing a poster from the kitchen of a flat on Poplar Street. This was part of the Residential Access Project which gave residents temporary access within the red-zone cordon in order to retrieve items from their homes after the 22 February 2011 earthquake.

Images, UC QuakeStudies

A discarded shoe that has been left on the grass beside Cashel Street in the aftermath of the 22 February 2011 earthquake. Behind it, emergency personnel can be seen helping themselves to food provided to refuel them while searching for trapped people in the ruins of the Canterbury Television Building.

Audio, Radio New Zealand

Paul Bushnell is talking today about how different clichés are subverted by great storytelling: Fragments, an RNZ series about the 2011 Christchurch earthquake, and Carrier from the USA - what would once have been called a radio drama.