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Images, UC QuakeStudies

A view across Wakefield Avenue to the Sumner Returned Services' Association Building and The Razza Bar and Bistro. A large rock has fallen from the cliff behind the buildings and crushed part of the Returned Services' Association Building. Smaller rocks have fallen onto the footpath and the road.

Images, UC QuakeStudies

A photograph of the site of a demolished building on Gloucester Street, near the intersection of Colombo Street. A Southern Demolition excavator is being used to clear the rubble away. In the background are the Forsyth Barr building, the Copthorne Hotel and the PricewaterhouseCoopers building.

Images, UC QuakeStudies

A photograph of the earthquake damage to a building on the corner of Armagh and Barbadoes Streets. The outer walls of the building have collapsed and the bricks have spilled onto the footpath and road below. Steel and wire fences have been placed around the building as a cordon.

Images, UC QuakeStudies

A view of the UBS building at the University of Canterbury, seen from level 7 of the James Hight building. The photographer comments, "First looks at our new temporary (maybe) office space. Our group will stay here until April or May 2011, then will move to another floor in the Central Library. The University Book Shop building".

Images, UC QuakeStudies

A photograph of the earthquake damage to the Asko Design building on Victoria Street. The top of the facade has crumpled, falling onto the awning and street. A broken gutter is visible on the building to the left. Two men are working on the awning of the smaller building.

Research papers, The University of Auckland Library

Following the 22 February 2011 Christchurch earthquake a comprehensive damage survey of the unreinforced masonry (URM) building stock of Christchurch city, New Zealand was undertaken. Because of the large number of aftershocks associated with both the 2011 Christchurch earthquake and the earlier 4 September 2010 Darfield earthquake, and the close proximity of their epicentres to Christchurch city, this earthquake sequence presented a unique opportunity to assess the performance of URM buildings and the various strengthening methods used in New Zealand to increase the performance of these buildings in earthquakes. Because of the extent of data that was collected, a decision was made to initially focus exclusively on the earthquake performance of URM buildings located in the central business district (CBD) of Christchurch city. The main objectives of the data collection exercise were to document building characteristics and any seismic strengthening methods encountered, and correlate these attributes with observed earthquake damage. In total 370 URM buildings in the CBD were surveyed. Of the surveyed buildings, 62% of all URM buildings had received some form of earthquake strengthening and there was clear evidence that installed earthquake strengthening techniques in general had led to reduced damage levels. The procedure used to collect and process information associated with earthquake damage, general analysis and interpretation of the available survey data for the 370 URM buildings, the performance of earthquake strengthening techniques, and the influence of earthquake strengthening levels on observed damage are reported within. http://15ibmac.com/home/