Compression and shear of a layer of granular material

Spencer, A. J. M.

doi:10.1007/1-4020-4183-7_14

Cited by 1 publication

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“…Based on Mandel and de Josselin de Jong's works, Spencer [10,11] developed a general theory for the planar and three dimensional deformation of incompressible granular materials, which is called the double shearing model (see also the more recent extension and applications of this theory by Cox and Hill [12], Hill and Spencer [13], Spencer [14,15]). Mehrabadi and Cowin [16,17] extended Spencer's model by incorporating the dilatancy of granular materials.…”

Section: Introductionmentioning

confidence: 99%

A comparative study of the hypoplasticity and the fabric‐dependent dilatant double shearing models for granular materials

Zhu

Mehrabadi

Massoudi

2006

Num Anal Meth Geomechanics

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SUMMARYIn this paper, we consider the mechanical response of granular materials and compare the predictions of a hypoplastic model with that of a recently developed dilatant double shearing model which includes the effects of fabric. We implement the constitutive relations of the dilatant double shearing model and the hypoplastic model in the finite element program ABACUS/Explicit and compare their predictions in the triaxial compression and cyclic shear loading tests. Although the origins and the constitutive relations of the double shearing model and the hypoplastic model are quite different, we find that both models are capable of capturing typical behaviours of granular materials. This is significant because while hypoplasticity is phenomenological in nature, the double shearing model is based on a kinematic hypothesis and microstructural considerations, and can easily be calibrated through standard tests.

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