Significance of soil dilatancy in slope stability analysis

被引:173
作者
Manzari, MT [1 ]
Nour, MA [1 ]
机构
[1] George Washington Univ, Dept Civil & Environm Engn, Washington, DC 20052 USA
关键词
D O I
10.1061/(ASCE)1090-0241(2000)126:1(75)
中图分类号
P5 [地质学];
学科分类号
0709 ; 081803 ;
摘要
A finite-element approach is used to analyze the slope stability problem and to examine the effect of soil dilatancy on the stability of slopes. It is found that soil dilatancy has a significant effect on the stability of slopes, and that higher values of dilation angle lead to larger stability numbers. Therefore, the stability numbers obtained from limit analyses (lower/upper bound solutions) are not conservative for granular soils that exhibit a dilation angle smaller than a soil's friction angle.
引用
收藏
页码:75 / 80
页数:6
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