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Images, UC QuakeStudies

A brick building supported by shipping containers on Colombo Street. The side wall of the building has been revealed by the demolition of the adjoining building. Security fences have been placed around the building to restrict access.

Research papers, University of Canterbury Library

This paper describes the pounding damage sustained by buildings in the February 2011 Christchurch earthquake. Approximately 6% of buildings in Christchurch CBD were observed to have suffered some form of serious pounding damage. Typical and exceptional examples of building pounding damage are presented and discussed. Almost all building pounding damage occurred in unreinforced masonry buildings, highlighting their vulnerability to this phenomenon. Modern buildings were found to be vulnerable to pounding damage where overly stiff and strong ‘flashing’ components were installed in existing building separations. Soil variability is identified as a key aspect that amplifies the relative movement of buildings, and hence increases the likelihood of pounding damage. Building pounding damage is compared to the predicted critical pounding weaknesses that have been identified in previous analytical research.

Research papers, University of Canterbury Library

This paper describes the pounding damage sustained by buildings in the February 2011 Christchurch earthquake. Approximately 6% of buildings in Christchurch CBD were observed to have suffered some form of serious pounding damage. Typical and exceptional examples of building pounding damage are presented and discussed. Almost all building pounding damage occurred in unreinforced masonry buildings, highlighting their vulnerability to this phenomenon. Modern buildings were found to be vulnerable to pounding damage where overly stiff and strong ‘flashing’ components were installed in existing building separations. Soil variability is identified as a key aspect that amplifies the relative movement of buildings, and hence increases the likelihood of pounding damage. Building pounding damage is compared to the predicted critical pounding weaknesses that have been identified in previous analytical research.

Videos, UC QuakeStudies

A video of a tour of the Christchurch central city Red Zone. The video includes footage of Cambridge Terrace, the Copthorne Hotel on Colombo Street, Gloucester Street, the Government Life Building in Cathedral Square, the Grant Thornton Building in Cathedral Square, the ChristChurch Cathedral, the new Press Building on Gloucester Street, the Design and Arts College building on Worcester Street, the new Westende Jewellers Building, Hereford Street, the Westpac Trust Building, the BNZ Building, the Holiday Inn, Lichfield Street, High Street, and Cathedral Junction.

Articles, Christchurch uncovered

The two-storey red building in the centre of Christchurch was like many typical pre-1900 buildings that had been modified over the years. The veranda was enclosed to provide more rooms within the building and multiple other extensions and rooms had … Continue reading →

Research Papers, Lincoln University

As a result of the findings and recommendations of the Royal Commission of Inquiry into the Canterbury Earthquake Swarm of 2010-2011 the New Zealand Government has introduced new legislation that will require the mandatory strengthening of all earthquake-prone buildings in New Zealand. An earthquake prone building is currently defined as a building that is less than one third the seismic strength of a new building. If an owner does not wish to strengthen their buildings then they must demolish them. Seismic retrofitting of buildings is a form of property development and as such, the decision to retrofit or not should be based on a robust and soundly conducted feasibility study. Feasibility studies on seismic retrofitting can be particularly challenging for a number of reasons thus making it difficult for owners to make informed and sound decisions relating to their earthquake prone buildings. This paper considers the concept and process of feasibility analysis as applied to earthquake prone buildings and discusses the current challenges posed by such feasibility studies. A number of recommendations are made in an attempt to help develop a best practice model for decision making relating to earthquake prone buildings."