Stressdilatancy behavior for sand under loading and unloading conditions

被引：108
|
作者：
Yin, Zhen-Yu [1 ,3 ]
Chang, Ching S. [2 ]
机构：
[1] Shanghai Jiao Tong Univ, Dept Civil Engn, Shanghai 200240, Peoples R China
[2] Univ Massachusetts, Dept Civil & Environm Engn, Amherst, MA 01002 USA
[3] Ecole Cent Nantes, UMR CNRS 6183, Res Inst Civil & Mech Engn, Nantes, France
来源：
INTERNATIONAL JOURNAL FOR NUMERICAL AND ANALYTICAL METHODS IN GEOMECHANICS | 2013年 / 37卷 / 08期
关键词：
sand; micromechanics; plasticity; dilatancy; anisotropy; unloading; PLASTICITY MODEL; CYCLIC BEHAVIOR; DILATANCY;
D O I：
10.1002/nag.1125
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
Experimental results have shown very different stressdilatancy behavior for sand under loading and unloading conditions. Experimental results have also shown significant effects of inherent anisotropy. In this article, a micromechanics-based method is presented, by which the stressdilatancy relation is obtained through the consideration of slips at the interparticle contacts in all orientations. The method also accounts for the effect of inherent anisotropy in sand. Experimental results on Toyoura sand and Hostun sand are used for illustration of the proposed method. Copyright (c) 2011 John Wiley & Sons, Ltd.
引用
收藏
页码：855 / 870
页数：16
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