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Images for building damage; more images...

Research papers, The University of Auckland Library

In the aftermath of the 2010-2011 Canterbury earthquakes in New Zealand, the residual capacity and reparability of damaged reinforced concrete (RC) structures was an issue pertinent to building owners, insurers, and structural engineers. Three precast RC moment-resisting frame specimens were extracted during the demolition of the Clarendon Tower in Christchurch after sustaining earthquake damage. These specimens were subjected to quasi-static cyclic testing as part of a research program to determine the reparability of the building. It was concluded that the precast RC frames were able to be repaired and retrofitted to an enhanced strength capacity with no observed reduction in displacement capacity, although the frames with “shear-ductile” detailing exhibited less displacement ductility capacity and energy dissipation capacity than the more conventionally detailed RC frames. Furthermore, the cyclic test results from the earthquake-damaged RC frames were used to verify the predicted inelastic demands applied to the specimens during the 2010-2011 Canterbury earthquakes. https://www.concrete.org/publications/acistructuraljournal.aspx

Images, UC QuakeStudies

The Harbourlight Theatre on London Street in Lyttelton. There is cracking along the side of the building and damage to the domes on top of the towers. Bracing has been placed at the top to limit further damage and to stop debris from falling on the road.

Images, UC QuakeStudies

St Pauls Trinity-Pacific Presbyterian Church on the corner of Cashel and Madras Streets. Scaffolding has been placed around the left dome of the building which was damaged during the 4 September earthquake. Plastic has also been placed over the dome to protect the inside from weather damage.