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Images, UC QuakeStudies

A photograph of Crack'd for Christchurch's partially-constructed armchair artwork. The armchair is on a pallet in Greening the Rubble's workshop. Jonathan Hall has moulded polystyrene, wood, mesh, and concrete over the steel frame to construct the armchair. Two cast-iron bath feet have been attached to the front legs.

Images, UC QuakeStudies

A photograph of the steel frame of Crack'd for Christchurch's armchair artwork. The frame is on a pallet in the Greening the Rubble workshop. Two cast-iron bath feet have been attached to the front legs. The bottom half of the frame has been covered with mesh, wood, polystyrene, and concrete by Jonathan Hall.

Images, UC QuakeStudies

A photograph looking east down Dundas Street. Piles of twisted steel reinforcement have been placed on both sides of the street. Several earthquake-damaged cars, recovered from the Smiths City car park, have been stacked on the left. On the other side of the street is an excavator grapple and bucket. In the distance two excavators are sorting through the rubble.

Research papers, The University of Auckland Library

The Canterbury earthquake series of 2010/2011 has turned the city of Christchurch into a full scale natural laboratory testing the structural and non-structural response of buildings under moderate to very severe earthquake shaking. The lessons learned from this, which have come at great cost socially and economically, are extremely valuable in increasing our understanding of whole building performance in severe earthquakes. Given current initiatives underway on both sides of the Tasman towards developing joint Australasian steel and composite steel/concrete design and construction standards that would span a very wide range of geological conditions and seismic zones, these lessons are relevant to both countries. This paper focusses on the performance of steel framed buildings in Christchurch city, with greatest emphasis on multi-storey buildings, but also covering single storey steel framed buildings and light steel framed housing. It addresses such issues as the magnitude and structural impact of the earthquake series, importance of good detailing, lack of observed column base hinging, the excellent performance of composite floors and it will briefly cover research underway to quantify some of these effects for use in design.