The object of this paper is the definition of a purely kinematic rotational approach for the elastoplastic modelling of soils. Once theshape of the yield and plastic potential surfaces is assigned, their rotational kinematics in the stress space is ruled by a second ordertensor directed along their surface axes. The proposed approach differs from others proposed in literature since it does not introduceany distortion of the surface and is suitable for the description of inherent or induced anisotropy as well as the behaviour of soilssubjected to cyclic loading.

An approach for rotational hardening in geotechnical modelling

MORTARA, Giuseppe
Conceptualization
2016

Abstract

The object of this paper is the definition of a purely kinematic rotational approach for the elastoplastic modelling of soils. Once theshape of the yield and plastic potential surfaces is assigned, their rotational kinematics in the stress space is ruled by a second ordertensor directed along their surface axes. The proposed approach differs from others proposed in literature since it does not introduceany distortion of the surface and is suitable for the description of inherent or induced anisotropy as well as the behaviour of soilssubjected to cyclic loading.
constitutive laws; anisotropic hardening; anisotropy
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/20.500.12318/3491
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