Pseudo-dynamic analysis of overturning stability of retaining wall

被引：0

作者：

王奎华 ^{[1
]}

马少俊 ^{[1
]}

吴文兵 ^{[1
]}

机构：

[1] Key Laboratory of Soft Soils and Geoenvironmental Engineering of Ministry of Education, Zhejiang University

来源：

Journal of Central South University of Technology | 2011年 / 18卷 / 06期

基金：

中国国家自然科学基金;

关键词：

seismic active force; pseudo-dynamic method; earthquake; stability against overturning; retaining wall;

D O I：

暂无

中图分类号：

TU311.3 [结构动力学];

学科分类号：

摘要：

A new method was presented to determine the safety factor of wall stability against overturning based on pseudo-dynamic approach. In this time-dependent method, the actual dynamic effect with variation of time and propagation of shear and primary wave velocities through the backfills was considered. Planar failure surface was considered behind the retaining wall. The results were compared with those obtained from Mononobe-Okabe theory. It is found that there is a higher value of safety factor by the present dynamic analysis. The effects of wall inclination, wall friction angle, soil friction angle and horizontal and vertical seismic coefficients on the overturning stability of retaining wall were investigated. The parametric study shows that both horizontal and vertical seismic accelerations have decreasing effect on the overturning stability of retaining wall.

引用

页码：2085 / 2090

页数：6

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