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RESEARCH PAPERS

A Stochastic Nonlinear Constitutive Law for Concrete

[+] Author and Article Information
A. Fafitis, Y. H. Won

Civil Engineering Department, Arizona State University, Tempe, Ariz. 85287-5306

J. Eng. Mater. Technol 111(4), 443-449 (Oct 01, 1989) (7 pages) doi:10.1115/1.3226494 History: Received July 01, 1988; Revised November 01, 1988; Online September 15, 2009

Abstract

An incremental three-dimensional stress-strain relationship for concrete with induced anisotropy has been developed. The nonlinearity and path-dependency are modeled by expressing the elastic moduli at each increment as function of the octahedral and deviatoric strains, based on a uniaxial stochastic model developed earlier. Predictions of multiaxial response under proportional and nonproportional loading are in good agreement with experimental results.

Copyright © 1989 by ASME
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