Storm and Gust Duration Effects on Design Wind Loads for Glass
Publication: Journal of Structural Engineering
Volume 137, Issue 12
Abstract
Duration effects on the design wind loads for glass are examined with respect to ASCE 7-10. Pressure time histories are created by combining variations of wind speed and wind direction from a “design cyclone” with pressure coefficients obtained from wind tunnel tests of low-rise buildings. The results indicate that the assumption of a 3-s gust duration in ASCE 7-10 may underestimate appropriate values for design loads for glass, with the degree of underestimation varying, depending primarily on the probability of exceedence of the peak pressures. On the basis of these results, modifications to the peak pressures specified in ASCE 7-10 are suggested that maintain the time duration of 3-s, consistent with current glass-design provisions.
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Acknowledgments
The Institute for Catastrophic Loss Reduction and the Natural Sciences and Engineering Research Council of Canada provided funding for this research. E. Gavanski gratefully acknowledges scholarship support from Ministry of Education, Culture, Sports, Science and Technology of Japan. G. A. Kopp gratefully acknowledges the support provided by the Canada Research Chairs Program. The authors are particularly grateful to Dr. Joseph Minor for many helpful discussions and his ongoing interest.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 137 • Issue 12 • December 2011
Pages: 1603 - 1610
Copyright
© 2011 American Society of Civil Engineers.
History
Received: Nov 11, 2010
Accepted: Feb 16, 2011
Published online: Nov 15, 2011
Published in print: Dec 1, 2011
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