Numerical Analysis of Creep of an Indeterminate Composite Beam

[+] Author and Article Information
Z. P. Bažant

Department of Civil Engineering, The Technological Institute, Northwestern University, Evanston, Ill.

J. Appl. Mech 37(4), 1161-1164 (Dec 01, 1970) (4 pages) doi:10.1115/1.3408682 History: Received February 26, 1969; Revised February 09, 1970; Online July 12, 2010


Approximating the hereditary integrals by finite sums, a creep problem may be reduced to a succession of elasticity problems with initial strains. It is shown how the well-known general relationship between initial strains and equivalent loads may be applied to a composite beam on statically indeterminate supports. A highly accurate numerical method for memory-type creep problems is demonstrated and its convergence studied by means of examples.

Copyright © 1970 by ASME
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