%0 Journal Article
%A LUO Qiang
%A ZHENG Wei-hua
%T Numerical Analysis of Simple Shear Test  onDense Sand with Non-coaxial Constitutive Model
%D 2015
%R 10.3969/j.issn.1001-5485.2015.05.017
%J Journal of Yangtze River Scientific Research Institute
%P 89-94
%V 32
%N 5
%X In the process of rotation of the orientation of principal stress, the non-coaxial phenomenon exists between the orientations of the principal stress and plastic strain rate. However, the traditional constitutive theory could not reflect the non-coaxial phenomenon and its influence on the relationship between stress and strain. The yield vertex non-coaxial theory is adopted into a strain softening coaxial model to research the non-coaxial phenomenon and its influence in the numerical simulations of simple shear test on dense sand. Comparison between numerical result and test result suggests that the non-coaxial model could reflect the non-coaxial phenomenon and its influence reasonably, and also, the roles of non-coaxial model are considerably influenced by static lateral pressure coefficients, vertical stress and flow rules.
%U http://ckyyb.crsri.cn/EN/10.3969/j.issn.1001-5485.2015.05.017