Seismic stability analysis of slope reinforced with a row of piles

被引：47
作者：
Nian, Ting-Kai [1 ,2 ]
Jiang, Jing-Cai [3 ]
Wang, Fa-Wu [4 ]
Yang, Qing [1 ,2 ]
Luan, Mao-Tian [1 ,2 ]
机构：
[1] Dalian Univ Technol, Sch Civil Engn, Dalian 116024, Peoples R China
[2] Dalian Univ Technol, State Key Lab Coastal & Offshore Engn, Dalian 116024, Peoples R China
[3] Univ Tokushima, Dept Civil Engn, Tokushima 7708506, Japan
[4] Kyoto Univ, Disaster Prevent Res Inst, Res Ctr Landslides, Kyoto 6110011, Japan
来源：
SOIL DYNAMICS AND EARTHQUAKE ENGINEERING | 2016年 / 84卷
基金：
中国国家自然科学基金;
关键词：
Seismic stability; Slope reinforced with piles; Yield acceleration; Stabilizing force; Limit analysis; Strength reduction technique; BOUND LIMIT ANALYSIS; FINITE-ELEMENTS; DESIGN METHOD; STABILIZATION; LANDSLIDE; EQUILIBRIUM; BEHAVIOR;
D O I：
10.1016/j.soildyn.2016.01.023
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
In this paper, the seismic stability of a slope reinforced with a row of piles is analyzed within the framework of the pseudo-static approach. Calculations are conducted by using a technique integrated the kinematic theorem of limit analysis with strength reduction concept. The log-spiral failure surface is considered, analytical expressions are derived that enable one to readily calculate the yield acceleration coefficient for the slope subjected to seismic loading, and the lateral stabilizing force provided by piles which is required to increase the slope safety factor to a design value. Numerical results for typical example are presented and the reasonableness of the procedure is verified. Furthermore, discussions are made in order to illustrate the influence of horizontal seismic coefficients on the lateral stabilizing forces and the optimal position of the pile in seismic area. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：83 / 93
页数：11
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