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Research papers, The University of Auckland Library

Unreinforced masonry (URM) buildings have repeatedly been shown to perform poorly in large magnitude earthquakes, with both New Zealand and Australia having a history of past earthquakes that have resulted in fatalities due to collapsed URM buildings. A comparison is presented here of the URM building stock and the seismic vulnerability of Christchurch and Adelaide in order to demonstrate the relevance to Australian cities of observations in Christchurch resulting from the 2010/2011 Canterbury earthquake swarm. It is shown that the materials, architecture and hence earthquake strength of URM buildings in both countries is comparable and that Adelaide and other cities of Australia have seismic vulnerability sufficient to cause major damage to their URM buildings should a design level earthquake occur. Such an earthquake is expected to cause major building damage, and fatalities should be expected.

Images, UC QuakeStudies

A member of the New Zealand Police with a skateboard extracted from the collapsed Canterbury Television Building on Madras Street Behind him, emergency personnel can be seen searching the rubble for trapped people. Above the workers is the arm of an excavator which has been used to shift rubble.

Images, UC QuakeStudies

A view across Fitzgerald Avenue to Chester Street East, including the historic Crichton Cobbers Youth and Community Centre building. Sections of the building's walls have collapsed and a fence has been erected around the base of the building as a cordon.

Images, UC QuakeStudies

A photograph of the earthquake damage to the Base Packpackers building behind the former Canterbury Times building on Gloucester Street. The corner of Base Backpackers has collapsed, exposing a bunkroom inside. Scaffolding has been constructed up the side of the building.

Images, UC QuakeStudies

A photograph of the earthquake damage to a building in central Christchurch. The basement of the building has collapsed and the concrete blocks have broken away from each other. The left corner of the building has also suffered damage, with many of the concrete blocks shaking loose.

Images, UC QuakeStudies

A photograph of the earthquake damage to a Stonehurst Accommodation building on Gloucester Street. The bottom storey of the building has collapsed and the top two storeys are resting on the rubble. The closest wall of the building has also collapsed, exposing the rooms inside.

Images, UC QuakeStudies

The damaged Christ's College Rowing Club building at Kerrs Reach. The building has visibly slumped to one side. The photographer comments, "This is the sad state of the building after 3 earthquakes has caused the rowing club to sink like a leaky boat".

Images, UC QuakeStudies

A photograph of the earthquake damage to the buildings next to the Canterbury Trade Union Centre on Armagh Street. The front walls of both buildings have collapsed, and bricks spill onto the footpath. Cordon tape and road cones have been placed around the buildings.

Images, UC QuakeStudies

A photograph of the earthquake damage to a building on Armagh Street. The walls of the building have crumbled and the bricks have spilt onto the footpath, exposing the wooden structure beneath. Police tape and road cones have been placed around the building as a cordon.

Images, UC QuakeStudies

A photograph of the earthquake damage to the buildings next to the Canterbury Trade Union Centre on Armagh Street. The front walls of both buildings have collapsed, and bricks spill onto the footpath. Cordon tape and road cones have been placed around the buildings.