Yield Function for Soil with Anisotropic Fabric
Publication: Journal of Engineering Mechanics
Volume 115, Issue 1
Abstract
A fabric tensor for three‐dimensional assemblies of granular soils is introduced as an index showing the anisotropy due to the preferred orientation of constituent particles and is actually determined by using data derived from a material science approach of soils. Using the fabric tensor, a Drucker‐Prager type of yield function is extended so as to take into account the anisotropic yielding behavior of granular soils. Plane strain tests on Toyoura sand are analyzed with a result that the anisotropic shear strength is well fitted by the extended Drucker‐Prager yield function. Based on this, it is concluded that this study provides a step to link the material science approach of soils, in which the spatial arrangement of particles and associated voids plays an important role, to the continuum theory of plasticity.
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Copyright © 1989 ASCE.
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Published online: Jan 1, 1989
Published in print: Jan 1989
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