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Images, UC QuakeStudies

A photograph of emergency management personnel standing outside the Canterbury Trade Union Centre on Armagh Street. Emergency tape has been draped around the outside of the building and USAR codes have been spray-painted on a column near the entrance. Behind the building are several other earthquake-damaged buildings.

Images, UC QuakeStudies

A photograph of several earthquake-damaged buildings on Lichfield Street. A section of the top storey of the building in the middle has collapsed. USAR codes have been spray-painted on the front door, columns, and windows of all of the buildings. A red sticker has also been stuck to the door of the closest building, indicating that it is unsafe to enter.

Images, UC QuakeStudies

A photograph of the earthquake damage to a building on Lichfield Street. Masonry from the top section of the building has broken away and spilled onto the footpath below. A red sticker has been placed on the door, indicating that the building is unsafe to enter. USAR codes have been spray-painted on the column and window to the right.

Images, UC QuakeStudies

A photograph of the earthquake damage to a building on Hereford Street. A column on the right side of the building has snapped and the side wall has pulled away from the building. USAR codes have been spray-painted on one of the windows on the bottom storey. In the foreground there is a police car.

Images, UC QuakeStudies

A photograph of the earthquake damage to a block of buildings on Hereford Street. Large sections of the buildings have collapsed and the rubble has spilled onto the footpath and street in front. USAR codes have been spray-painted on the front of Calendar Girls.

Images, UC QuakeStudies

A photograph of the entrance to the Brannigan's building on the corner of Gloucester Street and Oxford Terrace. Many of the windows down the centre of the building have broken, and the glass has fallen onto the footpath below. USAR codes have been spray painted on one of the front windows. A red sticker in the door indicates that the building is unsafe to enter.

Images, UC QuakeStudies

A photograph of an earthquake damaged house in Christchurch. USAR codes have been spray painted on the front wall. A red sticker in the window indicates that the building is unsafe to enter.

Images, UC QuakeStudies

A photograph of the earthquake damage to St Elmo Courts on the corner of Hereford and Montreal Streets. There are large cracks in the building's façade. USAR codes have been spray-painted on one of the windows. Police tape has been draped around the building as a cordon.

Images, UC QuakeStudies

A photograph of bricks and other rubble on the footpath outside a building on Lichfield Street. USAR codes have been spray-painted on one of the windows and the front door. A red sticker has been stuck to a column on the right, indicating that the building is unsafe to enter.

Images, UC QuakeStudies

A photograph of a Wellington Emergency Management Office Emergency Response Team member talking to a member of the Professional Building Services on Gloucester Street. In the background is the Press House building with many cracks in the façade. Bits of bricks and other debris are scattered across the footpath. Some of the windows above the facade have broken. USAR codes have been spray-painted on one of the bottom-storey windows.

Research papers, University of Canterbury Library

This research investigates the validation of simulated ground motions on complex structural systems. In this study, the seismic responses of two buildings are compared when they are subjected to as-recorded ground motions and simulated ones. The buildings have been designed based on New Zealand codes and physically constructed in Christchurch, New Zealand. The recorded ground motions are selected from 40 stations database of the historical 22 Feb. 2011 Christchurch earthquake. The Graves and Pitarka (2015) methodology is used to generate the simulated ground motions. The geometric mean of maximum inter-story drift and peak floor acceleration are selected as the main seismic responses. Also, the variation of these parameters due to record to record variability are investigated. Moreover, statistical hypothesis testing is used to investigate the similarity of results between observed and simulated ground motions. The results indicate a general agreement between the peak floor acceleration calculated by simulated and recorded ground motions for two buildings. While according to the hypothesis tests result, the difference in drift can be significant for the building with a shorter period. The results will help engineers and researchers to use or revise the procedure by using simulated ground motions for obtaining seismic responses.

Images, UC QuakeStudies

A photograph of the earthquake-damage to St Paul's-Trinity-Pacific Church on Cashel Street. A large section of the left side of the building has collapsed and the rubble has scattered onto the footpath and street below. Scaffolding constructed up the left side has also collapsed. USAR codes have been spray-painted on the wall in front of the building.