Research Article
May 1981
Clustering Model for Correlated Load Processes
Publication: Journal of the Structural Division
Volume 107, Issue 5
Abstract
Many loading on structures (such as wind, wave, snow, and rain-on-snow) may be due to a common source and have a tendency to cluster around common points in time so that the occurrence dependence may be an important factor in load combination analysis. Based on a multivariate point process, an analytical model is presented to take such occurrence dependence into consideration. Methods for analysis of mean rate of load coincidence and probability of combined load are developed as an extension of the load-coincidence method previously proposed. Approximate solutions are obtained in simple, closed form. The accuracy of the method is verified by Monte-Carlo simulations. The load coincidence rate is extremely sensitive to occurrence clustering. As a result, when such dependence exists and is not considered, the estimate of the probabilty of combined maximum, as well as the reliability of structure could be seriously in error.
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Published In
Journal of the Structural Division
Volume 107 • Issue 5 • May 1981
Pages: 965 - 983
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© 1981 American Society of Civil Engineers.
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Published in print: May 1981
Published online: Feb 1, 2021
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Yi-Kwei Wen, M.ASCE
Assoc. Prof. of Civ. Engrg., Univ. of Illinois, 3106 Newmark Lab., 208 N. Romme, Urbana, Ill. 61801
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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.