Wind‐Induced Fatigue on Low Metal Buildings
Publication: Journal of Structural Engineering
Volume 111, Issue 4
Abstract
Presently, fatigue is not considered a critical design factor for low metal buildings exposed to severe wind storms. Fatigue however, has been shown to be the only possible cause of several roof failures which occurred during cyclones. A simple approach for the evaluation of wind‐induced fatigue on low buildings is presented. The number and distribution of maxima occurring in wind pressures acting on low buildings are predicted analytically by a hybrid Gaussian‐Weibull extremum model. Experimental measurements in a boundary layer wind tunnel also support these analytical predictions. Windinduced fatigue data obtained for a case study by applying the present approach agree fairly well with full‐scale observations carried out after the cyclone Tracy hit Darwin, Australia, in 1974. It is concluded that a repeated loading test criterion should be introduced and design against wind‐induced fatigue should be carried out for low buildings in hurricane‐prone regions.
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Information & Authors
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Published In
Journal of Structural Engineering
Volume 111 • Issue 4 • April 1985
Pages: 826 - 839
Copyright
Copyright © 1985 ASCE.
History
Published online: Apr 1, 1985
Published in print: Apr 1985
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