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|Title:||Performance of unreinforced masonry buildings during the 2010 Darfield (Christchurch, NZ) earthquake|
|Citation:||Australian Journal of Structural Engineering, 2011; 11(3):207-224|
|Publisher:||Institution of Engineers Australia|
|J. Ingham and M. Griffith|
|Abstract:||The 2010 Darfield earthquake caused extensive damage to a number of unreinforced masonry buildings. While this damage to important heritage buildings was the largest natural disaster to occur in New Zealand since the 1931 Hawke’s Bay earthquake, the damage was consistent with projections for the scale of this earthquake, and indeed even greater damage might have been expected. In general, the nature of damage was consistent with observations previously made on the seismic performance of unreinforced masonry buildings in large earthquakes, with aspects such as toppled chimneys and parapets, failure of gables and poorly secured face-loaded walls, and in-plane damage to masonry frames all being extensively documented. This report on the performance of the unreinforced masonry buildings in the 2010 Darfi eld earthquake provides details on typical building characteristics, a review of damage statistics obtained by interrogating the building assessment database that was compiled in association with post-earthquake building inspections, and a review of the characteristic failure modes that were observed. It was observed that structures that had been seismically retrofi tted appeared to perform well, with further study now required to better document the successful performance of these retrofit solutions.|
|Rights:||© Institution of Engineers Australia, 2011|
|Appears in Collections:||Civil and Environmental Engineering publications|
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