Wind Loads on Low Building Roofs: A Stochastic Perspective
Publication: Journal of Structural Engineering
Volume 126, Issue 8
Abstract
A comprehensive experimental study of local wind pressure fluctuations on low building roofs has been carried out, by testing a variety of building models exposed to open and suburban boundary-layer flows for various wind directions, to determine the overall stochastic characteristics of wind loads on roofs. The analysis of pressure data indicates that the pressure fluctuations are sensitive to tap location, roof geometry, and wind direction. Both Gaussian and non-Gaussian fluctuations have been found in all roof types; however, non-Gaussian fluctuations are generally found in flow separation zones. Zones of Gaussian and non-Gaussian pressure fluctuations are presented. Relevant stochastic characteristics of wind pressure fluctuations in time, frequency, and amplitude domains are discussed.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 126 • Issue 8 • August 2000
Pages: 944 - 956
History
Received: Aug 17, 1998
Published online: Aug 1, 2000
Published in print: Aug 2000
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