Elasticity of Particulate Materials
Publication: Journal of Geotechnical Engineering
Volume 115, Issue 6
Abstract
Problems associated with isolation, measurement, and modeling the elastic behavior of particulate materials are discussed. Because of pervasive yielding, exclusively elastic behavior of particulate materials is restricted to infinitesimal increments of unloading. Three‐dimensional elastic constitutive equations are formulated in terms of two scalar functions representing effects of void ratio and stress history, a reference fabric matrix, a stress‐compliance matrix, and a Poisson's ratio matrix. The stress‐compliance matrix accounts for the discovery in 1979 that elastic shear stiffness is independent of stress normal to the plane of shear. Transformation of coordinates and the definition of reference fabric are carefully considered in the developed formulation.
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Published In
Journal of Geotechnical Engineering
Volume 115 • Issue 6 • June 1989
Pages: 788 - 805
Copyright
Copyright © 1989 ASCE.
History
Published online: Jun 1, 1989
Published in print: Jun 1989
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