Micromechanical Modeling for Inherent Anisotropy in Granular Materials
Publication: Journal of Engineering Mechanics
Volume 136, Issue 7
Abstract
In this paper, a description of inherent anisotropy of soil, based on micromechanics framework, is presented. The problem is formulated by assuming that sliding of two contact particles governed by Coulomb criterion in which the friction angle is a function of the orientation of the interparticle contact. The orientation distribution of these parameters is described by a set of symmetric second-order tensors. The formulation of the problem is illustrated by simulations of Santa Monica Beach Sand under true triaxial tests. In particular, the directional dependence of the strength characteristics is examined for samples with inherent cross anisotropy. The orientations of failure planes between particles are also examined.
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Published In
Journal of Engineering Mechanics
Volume 136 • Issue 7 • July 2010
Pages: 830 - 839
Copyright
© 2010 ASCE.
History
Received: Aug 25, 2009
Accepted: Dec 1, 2009
Published online: Dec 3, 2009
Published in print: Jul 2010
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