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On the necessity for rotational yielding in anisotropic plasticity

Coombs, W.M.; Crouch, R.S.; Augarde, C.E.


R.S. Crouch


C. Sansour


Following suggestions by Masın [1], this paper re-examines whether the inelastic irrecoverable deformation of cohesive geomaterials can be adequately captured by Bounding Surface-type plasticity models with isotropic outer-surfaces (such as that proposed by Borja [2]) or whether rotational models (such as suggested by Dafalias, Whittle and Hashiguchi [3-5]) are strictly necessary.

Presentation Conference Type Conference Paper (Published)
Conference Name 17th UK Conference on Computational Mechanics (ACME)
Publication Date 2009
Deposit Date Sep 13, 2011
Pages 345-348
Book Title 17th UK Conference on Computational Mechanics (ACME-UK)
Keywords Plasticity; Anisotropy; Cam-Clay; Bounding Surface; Critical State; Rotational Hardening.
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