Research Article
Jun 1975
Wind Pressures on Buildings-Probability Densities
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VIEW THE REPLYAuthors: Jon A. Peterka and Jack E. Cermak, F.ASCEAuthor Affiliations
Publication: Journal of the Structural Division
Volume 101, Issue 6
Abstract
By use of available statistics of building sites describing wind magnitude and direction, calculation of the recurrence interval for peak pressures may be performed if the probability distribution of pressure fluctuations is assumed, e.g., a Gaussian distribution. To perform the analysis adequately, the statistics of pressure fluctuations and their relationship to the governing physical parameters must be known. Fluctuating pressure data have been obtained on a scale model of an actual structure placed in a wind tunnel which simulated the characteristics of the atmospheric wind. The data were analyzed to obtain the probability distribution of the pressure fluctuations. The results show a remarkable similarity in probability distribution for large areas of the structure. In regions of positive pressure, the pressure distribution can be represented adequately by a Gaussian relationship. In regions of negative pressure, deviations from a Gaussian distribution are significant and can lead to a substantial underestimation of peak pressures if that distribution were assumed.
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Published In
Journal of the Structural Division
Volume 101 • Issue 6 • June 1975
Pages: 1255 - 1267
Copyright
© 1975 American Society of Civil Engineers.
History
Published in print: Jun 1975
Published online: Feb 1, 2021
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Jon A. Peterka
Asst. Prof. of Engrg., Colorado State Univ., Fort Collins, Colo.
Jack E. Cermak, F.ASCE
Prof.-in-Charge, Fluid Mechanics Program, Colorado State Univ., Fort Collins, Colo.
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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.