Abstract

This paper investigates the transmission of wind loads through a roofing system of a contemporary house type built in Australia. The distribution of wind loads and associated structural response of batten-to-truss connections, including the effect of failures is investigated. The study found that calculations based on normal design practices can significantly underestimate connection loads, when highly correlated wind pressures act on the roof. A process for assessing the fragility of roof components to wind loads is described. The fragility of components can be combined with the response to progressive modes of failure to develop vulnerability functions for these contemporary houses.

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