Research Article
May 1977
Statistical Combination of Extreme Loads
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VIEW THE REPLYPublication: Journal of the Structural Division
Volume 103, Issue 5
Abstract
As most loads on buildings and structures are stochastic in nature, an analytical method for studying load combination is presented in which the loads are treated as random processes. Factors considered include load occurrence rate, intensity variation, duration of each occurrence, and simultaneous occurrence of different loads. The probability distribution of the maximum combined load effect over a given time interval is derived and the distribution parameters as functions of the first two moments and the occurrence rate of individual loads are also obtained in close form. Numerical examples are given and the results are compared satisfactorily with Monte-Carlo simulation. The reduction factors for load combination as given in current building codes are examined and their inadequacy pointed out.
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Published In
Journal of the Structural Division
Volume 103 • Issue 5 • May 1977
Pages: 1079 - 1093
Copyright
© 1977 American Society of Civil Engineers.
History
Published in print: May 1977
Published online: Feb 1, 2021
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Yi-Kwei Wen, M.ASCE
Assoc. Prof. of Civ. Engrg., Univ. of Illinois at Urbana-Champaign, Urbana, Ill.
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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.