An approach for rotational hardening in geotechnical modelling

被引：0
|
作者：
Dattola, Giuseppe [1 ]
Fotia, Grazia [2 ]
Mortara, Giuseppe [2 ]
机构：
[1] Univ Milano Bicocca, Piazza Sci 4, I-20126 Milan, Italy
[2] Univ Reggio Calabria, Via Graziella Feo di Vito, I-89122 Reggio Di Calabria, Italy
来源：
VI ITALIAN CONFERENCE OF RESEARCHERS IN GEOTECHNICAL ENGINEERING, CNRIG2016 - GEOTECHNICAL ENGINEERING IN MULTIDISCIPLINARY RESEARCH: FROM MICROSCALE TO REGIONAL SCALE | 2016年 / 158卷
关键词：
Constitutive laws; anisotropic hardening; anisotropy; 3-DIMENSIONAL BEHAVIOR; CONSTITUTIVE MODEL; CROSS ANISOTROPY; SAND; PLASTICITY;
D O I：
10.1016/j.proeng.2016.08.413
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
The object of this paper is the definition of a purely kinematic rotational approach for the elastoplastic modelling of soils. Once the shape of the yield and plastic potential surfaces is assigned, their rotational kinematics in the stress space is ruled by a second order tensor directed along their surface axes. The proposed approach differs from others proposed in literature since it does not introduce any distortion of the surface and is suitable for the description of inherent or induced anisotropy as well as the behaviour of soils subjected to cyclic loading. (C) 2016 The Authors. Published by Elsevier Ltd.
引用
收藏
页码：104 / 109
页数：6
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