Research Article
Jan 1981
Combination of Various Load Processes
Publication: Journal of the Structural Division
Volume 107, Issue 1
Abstract
A method for computing the probability distribution of combined, time varying loading on a structure is presented. The point crossing method is based on finding a close upper bound to the mean upcrossing rate of a linear combination of scalar load processes. Both smooth, continuous processes and pulse-type processes are included. The solution is a series of single convolutions of two natural descriptors of the load effect process: the first-order or arbitrary-point-in-time probability distribution and the mean upcrossing rate function. An example of the combination of three load processes is included, and the method is compared with others. Implications for load modeling and a format for combined loads in deterministic design codes are analyzed.
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Published In
Journal of the Structural Division
Volume 107 • Issue 1 • January 1981
Pages: 223 - 239
Copyright
© 1981 American Society of Civil Engineers.
History
Published in print: Jan 1981
Published online: Feb 1, 2021
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Authors
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Richard D. Larrabee, AM.ASCE
Research Engr., Shell Development Co., P.O. Box 481, Houston, Tex., 77001
C. Allin Cornell, M.ASCE
Prof., Dept. of Civ. Engrg., Massachusetts Inst. of Tech., Cambridge, Mass. 02139
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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.