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Elastic strain energy for uncemented granular materialsAbstract:Hypo-elasticity does not generally imply the existence of an elastic strain energy potential. However, it appears that for a hypo-elastic model describing inherent and stress state-induced anisotropy of uncemented granular materials, elastic strain energy can be stress pathindependent. As a consequence, elastic strain energy represents a potential uniquely defining the direction of the elastic strain vector along stress paths with a constant stress ratio, which is confirmed by experimental data for some sands. (author abst.) Authors:Puzrin, Alexander and Tatsuoka, F.Index Terms:geomechanics; GeomechanicsGroup; Puzrin, Alexander; Tatsuoka, F.Further Information:Date published: 1999 |
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