A Multiaxial Stochastic Constitutive Law for Concrete With Dilatancy: Part II—Comparison With Experimental Data

[+] Author and Article Information
Y. H. Won

Department of Civil Engineering, Korea Third Military Academy, Kyungbuk, Youngehun-goo, 771-849, Korea

A. Fafitis

Department of Civil Engineering, Arizona State University, Tempe, AZ 85287

J. Appl. Mech 59(2), 289-294 (Jun 01, 1992) (6 pages) doi:10.1115/1.2899519 History: Received August 25, 1988; Revised September 25, 1991; Online March 31, 2008


The salient features and concepts of a model developed in Part I of this paper are reviewed. The model is extended to include dilatancy and shear compaction which are determined from uniaxial stress-strain relationships. The parameters of the model are the peak stress, initial elastic modulus, and tangential Poisson’s ratio. The peak stress is assumed equal to the compressive strength of the concrete specimen, the initial elastic modulus and the Poisson’s ratio is calculated by proposed empirical formulas. Predictions of the model compare favorably with experimental data reported by various investigators. Responses of concrete specimens subjected to prescribed triaxial proportional stresses, triaxial proportional strains and stresses, hydrostatic plus stress combinations with loading paths on the deviatoric stress plane, biaxial compressive, biaxial tensile, and uniaxial tensile loadings are predicted and compared with test data. All predictions are satisfactory.

Copyright © 1992 by The American Society of Mechanical Engineers
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