| 基于极限平衡法的路堤稳定性概率分析方法比较 |
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| 引用本文： | 蒋鑫,朱奇炯,陈滔,高小峰,邱延峻. 基于极限平衡法的路堤稳定性概率分析方法比较[J]. 西南交通大学学报, 2015, 28(2): 331-335,341. DOI: 10.3969/j.issn.0258-2724.2015.02.019 |
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| 作者姓名： | 蒋鑫 朱奇炯 陈滔 高小峰 邱延峻 |
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| 作者单位： | 西南交通大学土木工程学院;西南交通大学道路工程四川省重点实验室;西南交通大学高速铁路线路工程教育部重点实验室 |
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| 基金项目： | 国家自然科学基金资助项目(51378440);国家973计划资助项目(2013CB036204);中央高校基本科研业务费专项资金资助项目(SWJTU12CX067,SWJTU12ZT05) |
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| 摘 要： | 为合理采用边坡稳定性的概率分析方法,基于垂直条分极限平衡法SLIDE软件平台和斜坡软弱地基路堤离心模型试验结果,对全局最小方法和整体边坡方法的原理和计算结果进行了比较,并用整体边坡方法分析了抗滑桩加固对斜坡软弱地基路堤稳定性的影响.研究结果表明:与全局最小方法相比,整体边坡方法算法更严谨,计算结果更全面,设计更趋保守,但计算耗时较多,应根据模型复杂程度、分析目的等合理选择概率边坡稳定性分析方法;整体边坡方法能较好地从破坏概率的角度论证抗滑桩加固斜坡软弱地基路堤的科学性、有效性.
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| 关 键 词： | 斜坡软弱地基路堤 可靠度 整体边坡方法 全局最小方法 安全系数 破坏概率 抗滑桩 |
| 收稿时间： | 2013-11-13 |
Comparative Research of Probabilistic Stability Analysis Methods of Embankment Based on Limit Equilibrium Method |
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| JIANG Xin;ZHU Qijiong;CHEN Tao;GAO Xiaofeng;QIU Yanjun. Comparative Research of Probabilistic Stability Analysis Methods of Embankment Based on Limit Equilibrium Method[J]. Journal of Southwest Jiaotong University, 2015, 28(2): 331-335,341. DOI: 10.3969/j.issn.0258-2724.2015.02.019 |
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| Authors: | JIANG Xin ZHU Qijiong CHEN Tao GAO Xiaofeng QIU Yanjun |
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| Affiliation: | JIANG Xin;ZHU Qijiong;CHEN Tao;GAO Xiaofeng;QIU Yanjun;School of Civil Engineering,Southwest Jiaotong University;Key Laboratory of Highway Engineering of Sichuan Province,Southwest Jiaotong University;MOE Key Laboratory of High-Speed Railway Engineering,Southwest Jiaotong University; |
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| Abstract: | In order to reasonably select probabilistic slope stability analysis methods, a comparison research on the global minimum method and the overall slope method was carried out based on vertical slice limit equilibrium method software SLIDE and geotechnical centrifuge model test of embankment on sloped weak ground. The overall slope method was used to get the influence rule of anti-slide pile reinforcement on the stability of embankment on sloped weak ground. The research result shows that compared with the global minimum method, the overall slope method has a strict algorithm, more and conservative results, but more time consumption. The selection and application of the two probabilistic slope stability methods should depend on the model complexity and the analysis goals. The overall slope method can prove the effectiveness of anti-slide piles for embankment reinforcement on sloped weak ground well. |
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