Research Article
Feb 1981
Effective Wind Loads on Flat Roofs
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VIEW THE REPLYPublication: Journal of the Structural Division
Volume 107, Issue 2
Abstract
An experimental investigation of wind-induced pressure loads acting on two square-plan flat-roofed model structures (50ft and 225ft high in full scale) is described. Measurements of mean, peak, and root mean square pressures acting on points and over larger roof areas have been made in turbulent boundary layer flow simulating wind over urban and open country terrains. Area loads on the roofs have been measured both by a pneumatic-averaging technique, and by using a large flush-diaphragm transducer. Correlation coefficients and spectra of effective pressure loads on various regions of the roofs are also presented. A significant overestimation of peak loads may occur for larger areas if full correlation of the worst point pressures acting over the area is assumed.
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Published In
Journal of the Structural Division
Volume 107 • Issue 2 • February 1981
Pages: 281 - 298
Copyright
© 1981 American Society of Civil Engineers.
History
Published in print: Feb 1981
Published online: Feb 1, 2021
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Authors
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Theodore Stathopoulos, M.ASCE
Asst. Prof., Centre for Building Studies, Concordia Univ., Montreal, Quebec, Canada
Alan G. Davenport
Dir., Boundary Layer Wind Tunnel Lab., The Univ. of Western Ontario, London, Ontario, Canada
David Surry
Asst. Research Dir., Boundary Layer Wind Tunnel Lab., The Univ. of Western Ontario, London, Ontario, Canada
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.