Authors / CoAuthors
Wehner, M. | Dale, K. | Edwards, M. | Corby, N.
Abstract
On 30 September 2009 a magnitude 7.6 earthquake struck West Sumatra. The earthquake significantly impacted the large coastal city of Padang with shaking estimated to be MMI 8. Widespread damage to buildings resulted and an estimated 1,117 lives in the Padang and Padang Pariaman Districts were lost. The Australia-Indonesia Facility for Disaster Reduction responded by supporting a team of Indonesian and international engineers and scientists who collected and analysed damage information that could subsequently be used for future disaster risk reduction in West Sumatra and Indonesia more broadly. The survey work had two primary aims. The first was to examine buildings in detail to identify the structural characteristics that may have contributed to their damage state. The second, activity was directed at systematically surveying complete populations of structures at a lower level of detail. The work was directed at the capture of statistically useful information on building performance. In total 3,896 buildings of all types and ages were surveyed. Buildings of all age categories were damaged and nominally engineered structures also suffered significant damage. Observations revealed poor structural configurations, poor detailing of reinforcement and the use of low quality construction materials. Vulnerability and fragility curves for building types well-represented in West Sumatra have been developed. The two survey strategies used, coupled with the post-survey activities, have provided knowledge of the nature of the built environment in Padang, its vulnerability to severe earthquakes, the factors behind this and how these can be effectively addressed through new and legacy construction.
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nonGeographicDataset
eCat Id
71460
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Cnr Jerrabomberra Ave and Hindmarsh Dr GPO Box 378
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2601
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Keywords
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- External Publication
- ( Theme )
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- earthquakes
- Australian and New Zealand Standard Research Classification (ANZSRC)
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- Earth Sciences
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- Published_Internal
Publication Date
2011-01-01T00:00:00
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geoscientificInformation
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