Statistics of Extreme of Live Load on Buildings

by Yi-Kwei Wen, (M.ASCE), Assoc. Prof. of Civ. Engrg.; Univ. of Illinois, Urbana, Ill.,

Serial Information: Journal of the Structural Division, 1979, Vol. 105, Issue 10, Pg. 1893-1900

Document Type: Journal Paper


The accuracies of currently available formulas relating the statistics (mean and standard deviation) of instanteneous intensity of sustained live load to those of lifetime maximum value are examined. A method based on a Gauss-Markov model for the sustained live load in multistory buildings is proposed. It is found that the mean lifetime maximum equivalent uniformly distributed load for columns of multistory buildings may be greater than that of the single-story case, but the differences are small (within 4 psf).

Subject Headings: Load factors | Live loads | Statistics | Maximum loads | Mid-rise buildings | Columns | Gaussian process | Load distribution

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