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Research papers, University of Canterbury Library

In response to the February 2011 earthquake, Parliament enacted the Canterbury Earthquake Recovery Act. This emergency legislation provided the executive with extreme powers that extended well beyond the initial emergency response and into the recovery phase. Although New Zealand has the Civil Defence Emergency Management Act 2002, it was unable to cope with the scale and intensity of the Canterbury earthquake sequence. Considering the well-known geological risk facing the Wellington region, this paper will consider whether a standalone “Disaster Recovery Act” should be established to separate an emergency and its response from the recovery phase. Currently, Government policy is to respond reactively to a disaster rather than proactively. In a major event, this typically involves the executive being given the ability to make rules, regulations and policy without the delay or oversight of normal legislative process. In the first part of this paper, I will canvas what a “Disaster Recovery Act” could prescribe and why there is a need to separate recovery from emergency. Secondly, I will consider the shortfalls in the current civil defence recovery framework which necessitates this kind of heavy governmental response after a disaster. In the final section, I will examine how

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

Members of the USAID Disaster Assistance Response Team (DART) and the New Zealand Urban Search and Rescue Team conferring in a tent full of equipment in Latimer Square. Latimer Square was set up as a temporary headquarters for emergency management personnel after the 22 February 2011 earthquake.

Images, UC QuakeStudies

A photograph looking east down Gloucester Street from near the Manchester Street intersection. Members of the Wellington Emergency Management Office Emergency Response Team and construction workers are walking down the street. To their right is the new Press House building with many broken windows. In the foreground, the Coachman building has sustained earthquake damage to the façade. Wire fences have been placed around the building as a cordon.

Images, UC QuakeStudies

A photograph of members of the Wellington Emergency Management Office Emergency Response Team examining an earthquake-damaged building on Acton Street. The closest section of the outer wall has collapsed, and the bricks and other rubble have fallen onto the pavement in front. A boat which was being stored inside has toppled over and is now sticking out of the building. Several cars, also stored inside the building, are visible.

Images, UC QuakeStudies

A photograph of members of the Wellington Emergency Management Office walking down Lichfield Street towards the intersection of Madras Street. Buildings on either side of the team have been damaged by the earthquake and there are piles of rubble on the street in front of them.