Constitutive Relations for Inelastic Granular Mediumby Jay B. Weidler, Jr., (A.M.ASCE), Engr.; Brown and Root Inc., Houston, TX; formerly, Brown Univ., Providence, RI,
Paul R. Paslay, Prof. of Engrg.; Brown Univ., Providence, RI,
Serial Information: Journal of the Engineering Mechanics Division, 1970, Vol. 96, Issue 4, Pg. 395-406
Document Type: Journal Paper
The results of an experimental and analytical program to develop stress-strain relations for a granular medium are presented. Explicit three-dimensional relations are given which represent the inelastic deformation of the medium. A simple version of the formulation is used to represent experimental results for a locally quarried quartz, and an evaluation of the relation is presented. The simplified relations are seen to be a compromise between mathematical tractability on the one hand and accuracy of prediction on the other.
Subject Headings: Granular materials | Inelasticity | Constitutive relations | Deformation (mechanics) | Mathematics | Stress analysis | Stress strain relations
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