Vulnerability of roofing components to wind loads

Jayasinghe, N.C., and Ginger, J.D. (2011) Vulnerability of roofing components to wind loads. Wind & Structures, 14 (4). pp. 321-335.

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Abstract

The vulnerability of roofing components of contemporary houses built in cyclonic regions of Australia is assessed for increasing wind speeds. The wind loads and the component strengths are treated as random variables with their probability distributions derived from available data, testing, structural analysis and experience. Design details including types of structural components of houses are obtained from surveying houses and analyzing engineering drawings. Wind load statistics on different areas of the roof are obtained by wind tunnel model studies and compared with Australian/New Zealand Standard, AS/NZS 1170.2. Reliability methods are used for calculating the vulnerability of roofing components independently over the roof. Cladding and batten fixings near the windward gable edge are found to experience larger negative pressures than prescribed in AS/NZS 1170.2, and are most vulnerable to failure.

Item ID: 21011
Item Type: Article (Research - C1)
ISSN: 1598-6225
Keywords: vulnerability; reliability; wind loads; houses; wind tunnel; strength; probability
Date Deposited: 19 Mar 2012 06:21
FoR Codes: 09 ENGINEERING > 0905 Civil Engineering > 090506 Structural Engineering @ 100%
SEO Codes: 87 CONSTRUCTION > 8702 Construction Design > 870201 Civil Construction Design @ 100%
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