[1]何思明,张晓曦,罗渝,等.坡顶条形荷载作用边坡潜在滑裂面与稳定性分析[J].山地学报,2011,(01):95.
　HE Siming,ZHANG Xiaoxi,et al.Potential Sling Surface Position and Slope Stability Anaylsis under the Strip Load[J].Mountain Research,2011,(01):95.
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坡顶条形荷载作用边坡潜在滑裂面与稳定性分析()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2011年01期
页码:
95
栏目:
山地学报
出版日期:
2011-01-01

文章信息/Info

Title:
Potential Sling Surface Position and Slope Stability Anaylsis under the Strip Load
作者:
何思明;张晓曦;罗渝;
1. 中国科学院山地灾害与地表过程重点实验室，四川 成都 610041；
2 中国科学院水利部成都山地灾害与环境研究所，四川 成都 610041;
3 西南交通大学土木工程学院，四川 成都 610031
Author(s):
HE Siming;  ZHANG Xiaoxi;  LUO Yu
1. Key Laboratory of Mountain Hazards and Surface Process, Chinese Academy of Science, Chengdu 610041, China;
2. Institute of Mountain Hazards and Environment, Chinese Academy of Sciences & Ministry of Water Conservancy, Chengdu 610041, China;
3. Schoole of Civil Engineering, Southwest Jiaotong University, Chengdu 610031, China
关键词:
条形荷载; 边坡稳定性; 上限定理; 滑裂面
Keywords:
stripe load; slope stability; upper bound method; sliding surface
分类号:
P642
文献标志码:
A
摘要:
边坡的潜在滑裂面可能不通过坡趾,而是在坡面上某点发生了局部剪切破坏。研究条形荷载作用下边坡的滑裂面位置及其稳定性判识方法,应用M-C线性破坏准则结合极限分析上限定理,建立稳定性系数与多变量的函数,将相关问题转化为含有多变量的数学优化问题并给出最优解。结果表明:边坡的潜在破裂面、稳定性与边坡几何形状、土体物理力学性质、荷载特性等因素有关。
Abstract:
Potential sliding surface may not be through the slope toe, but it can be through the point of slope surface. In this paper, a new approach that potential sliding surface position and slope stability are studied, and the formula is deduced with the M-C failure criterion combining upper bound method. We introduce variables and the slope stability turns into a mathematical optimization problem which contains multiple variables and we find the optimal solution. The numerical results show that slope safety factors are related to the slope shape and the properties of soil and the strip load. Potential sliding surface position is relevant to the slope shape and the strip load and the internal friction angle, but it is not relevant to cohesion.

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备注/Memo

备注/Memo:
收稿日期(Received date)：2010-08-10；改回日期(Accepted) : 2010-10-05。
基金项目（Foundation item）：国家重点基础研究发展计划资助(2008CB425802)；国家自然科学
基金项目(40872181)；交通部西部科技项目（2009-318-792-005）。\[This research is supported by state 973 Program project 2008CB425802,National Natural Scionce Foundationn project 40872181 and Western Science and Technology Construction project 2009-318-792-005.\]
作者简介（Biography）：何思明，男，1968年生，博士，研究员，博士生导师。发表论文80余篇，主要从事山地灾害形成机理及防治技术研究。\[Siming He,male,born in 1968,Doctor,Professor,Doctor supervisor,Mainly ongaged in mountain hazards formation and prevention.\]E-mail：hsm112003@yahoo.com.cn
更新日期/Last Update: 1900-01-01