Authors / CoAuthors
Cechet, R.P. | Sanabria, A. | Yang, T. | Arthur, W.C. | Wang, C.H.
Abstract
Abstract: Understanding how regional climate, and the extremes associated with it, will change over the coming decades is a vital step towards effective local adaptation. The understanding of the vulnerability and risk from severe winds is derived from a number of factors, including the frequency and intensity of the hazard, community exposure and the relationship between gust wind speed and impact/loss associated with residential structures. The Australian Government, through the Australian Building Codes Board (ABCB), has responsibility for maintenance of the Building Code of Australia (BCA), which establishes performance requirements that buildings must satisfy when subjected to the actions of, among other hazards, severe winds. The Australian /New Zealand Wind Loadings Standard (AS/NZS 1170.2, 2002) specifies the gust wind speeds used in calculating loads on structures in different regions of the country. Design wind speeds are similar to wind hazard (both described in terms of return period gust wind speeds), and the levels are set in an effort to equalise the risk between the low and high hazard regions across the country. Areas around the northern coastline are subject to the impact of tropical cyclones, and as such are deemed to experience the highest wind hazard. This results in Australia being divided into four regions, within which the wind speed is broadly similar. Regions C and D are those where the hazard is dominated by tropical cyclones.
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document
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72720
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- External Publication
- ( Theme )
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- risk assessment
- ( Theme )
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- marine
- Australian and New Zealand Standard Research Classification (ANZSRC)
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- Earth Sciences
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- Published_Internal
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2011-01-01T00:00:00
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