Limit analysis on seismic stability of anisotropic and nonhomogeneous slopes with anti-slide piles

被引：18
|
作者：
Gong WeiBing
Li JingPei [1 ]
Li Lin
机构：
[1] Tongji Univ, Dept Geotech Engn, Shanghai 200092, Peoples R China
来源：
SCIENCE CHINA-TECHNOLOGICAL SCIENCES | 2018年 / 61卷 / 01期
基金：
中国国家自然科学基金;
关键词：
limit analysis; pseudo-static approach; anti-slide pile; optimal location; CYLINDRICAL CAVITY EXPANSION; SOIL; STABILIZATION;
D O I：
10.1007/s11431-017-9147-8
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This study employs the limit analysis method to evaluate the seismic stability of anisotropic and nonhomogeneous slopes stabilized with anti-slide piles. The pseudo-static approach is used to simplify the earthquake load. The yield seismic acceleration factor is obtained from the optimization procedure and the results are verified with the published data. Then, the seismically-unstable slope is reinforced with anti-slide piles, and the seismic stability of the reinforced slope is explored. The results show that the anisotropy and nonhomogeneity of soils have significant effects on the stabilizing force required from the anti-slide piles and the optimal location of the pile is near the toe of the slope.
引用
收藏
页码：140 / 146
页数：7
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