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2013 , Vol. 30 >Issue 4: 56 - 61

DOI: https://doi.org/10.3969/j.issn.1001-5485.2013.04.013

岩土工程

边坡稳定分析的三维极限平衡法及工程应用

  • 袁闻 ,
  • 徐青 ,
  • 陈胜宏 ,
  • 邬爱清
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  • 1.武汉大学 水资源与水电工程科学国家重点实验室,武汉 430072; 2.长江科学院 水利部岩土力学与工程重点实验室,武汉 430010
袁 闻（1987-）,男,江西抚州人,硕士,主要从事水工结构及岩土工程的研究工作,（电话）027-68775330（电子信箱）yuanwenshl@163.com。

收稿日期: 2012-02-13

  修回日期: 2013-04-09

  网络出版日期: 2013-04-09

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Three-Dimensional Limit Equilibrium Method for Slope Stability Analysis and Its Application

  • YUAN Wen ,
  • XU Qing ,
  • CHEN Sheng-hong ,
  • WU Ai-qing
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  • 1 State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University, Wuhan 430072, China; 2.Key Laboratory of Geotechnical Mechanics and Engineering of MWR, Yangtze River Scientific Research Institute, Wuhan 430010, China

Received date: 2012-02-13

  Revised date: 2013-04-09

  Online published: 2013-04-09

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摘要

对于具有复杂空间几何特征和地质构造的实际工程边坡,在进行稳定分析评价时,需对其进行三维分析。通过发展完善边坡稳定分析的三维极限平衡法程序CORE-lam3D,可模拟真实的坡面、地质界面、地下水位面、滑动面等复杂空间曲面,可采用3种三维极限平衡分析方法对潜在的滑动面及其可能多个滑动方向进行分析计算,可分析水荷载、地震荷载、加锚等因素作用的影响。通过对瀑布沟库首右岸拉裂变形体的稳定性进行研究,说明了CORE-lam3D的实用性和可靠性。

关键词： 边坡稳定分析; 三维刚体极限平衡法; 最危险滑动方向; 坡面模拟

本文引用格式

袁闻 , 徐青 , 陈胜宏 , 邬爱清 . 边坡稳定分析的三维极限平衡法及工程应用[J]. 长江科学院院报, 2013 , 30(4) : 56 -61 . DOI: 10.3969/j.issn.1001-5485.2013.04.013

Abstract

Three-dimensional method is needed in the stability analysis for slope projects with complex spatial geometric features and geological structures. A computer program CORE-lam3D for 3-D slope stability analysis was improved and developed. The program can simulate complex space surface such as real slope, geologic boundary, groundwater level and slip surface. Potential sliding surfaces and sliding directions can be calculated with three 3-D limit equilibrium analysis methods, and the impacts of water load, seismic load and anchoring forces were analyzed. The analysis results of a tension-distorted body on the right bank of the reservoir at Pubugou hydropower station verified the efficiency and applicability of the improved CORE-lam3D program.

Key words： slope stability analysis; 3-D limit equilibrium method; the most dangerous sliding direction; simulation of slope surface

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