| 边坡稳定有限元强度折减法与极限平衡法对比 |
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| 引用本文： | 褚雪松,庞峰,李亮,李冉. 边坡稳定有限元强度折减法与极限平衡法对比[J]. 人民黄河, 2011, 33(10). DOI: 10.3969/j.issn.1000-1379.2011.10.034 |
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| 作者姓名： | 褚雪松 庞峰 李亮 李冉 |
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| 作者单位： | 青岛理工大学土木工程学院,山东青岛,266033 |
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| 基金项目： | 国家自然科学基金资助项目(51008167); 山东省高等学校科技计划项目(J10LE07); 教育部高等学校博士学科点专项科研基金资助项目(20103721120001) |
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| 摘 要： | 通过算例对有限元强度折减法和极限平衡法在边坡稳定性分析中的性能进行了比较,结果表明:有限元计算网格尺寸可选取最大计算长度的3%～5%;极限平衡法较有限元强度折减法计算耗时少;极限平衡法计算结果均落在有限元强度折减法所得贯通塑性区之内,简布法所得滑动面较之Spencer法的结果偏下。
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| 关 键 词： | 边坡稳定 有限元强度折减法 极限平衡法 安全系数 |
Comparative Study on FEM Strength Reduction Method and Limit Equilibrium Method for the Slope Stability Analysis |
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| CHU Xue-song,PANG Feng,LI Liang,LI Ran. Comparative Study on FEM Strength Reduction Method and Limit Equilibrium Method for the Slope Stability Analysis[J]. Yellow River, 2011, 33(10). DOI: 10.3969/j.issn.1000-1379.2011.10.034 |
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| Authors: | CHU Xue-song PANG Feng LI Liang LI Ran |
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| Affiliation: | CHU Xue-song,PANG Feng,LI Liang,LI Ran(School of Civil Engineering,Qingdao Technological University,Qingdao 266033,China) |
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| Abstract: | The performance of FEM strength reduction method and limit equilibrium method for the slope stability analysis is compared in the present study.The results show that the FEM model mesh size can be 3% to 5% of maximum computation length,the time consumed in limit equilibrium method is relative smaller than that consumed in FEM strength reduction method,the critical slip surface obtained by limit equilibrium method is within the plastic zone from the FEM strength reduction method,and the critical slip surface... |
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| Keywords: | slope stability FEM strength reduction method limit equilibrium method safety factor |
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