| 某铁路滑坡稳定性分析及治理措施研究 |
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| 引用本文： | 刘海东.某铁路滑坡稳定性分析及治理措施研究[J].路基工程,2017,0(1):213-217. |
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| 作者姓名： | 刘海东 |
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| 作者单位： | 大西铁路客运专线有限责任公司, 太原 030024 |
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| 摘 要： | 在极限平衡理论的基础上，通过一般条分法、毕肖普法和传递系数法对某铁路的宜昌滑坡进行稳定性分析。结果显示:同一剖面采用不同计算方法得到的稳定系数差异性很小，从而采用传递系数法来评价滑坡的稳定性。根据稳定系数在天然工况下为1.225，地震工况下为0.985，暴雨工况下为0.947，得出天然工况下坡体处于基本稳定状态，地震和暴雨工况下处于不稳定状态。在结合工程地质条件和稳定性计算结果的基础上，提出了针对性的治理措施。
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| 关 键 词： | 极限平衡法 稳定性 降雨 宜昌滑坡 蠕滑-拉裂 治理措施 |
| 收稿时间： | 2019-11-06 |
Landslide Stability Analysis of Certain Railway and Study of Control Measures |
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| Abstract: | Based on the ultimate balance theory, this paper has analyzed the stability of the Yichang landslide of the railway using general slice method, bishop method and transfer coefficient method.The computed results show that there is small difference in stability coefficient of one same profile evaluated by the said three methods under different conditions, so the transfer coefficient method has been chosen to evaluate the landslide stability. Based on stability coefficient which is 1.225 under normal condition, 0.985 under earthquake condition, and 0.947 under rainstorm condition, the slope is basically stable under the normal conditions, and unstable under the earthquake condition and the rainstorm condition. The targeted treatment measure is proposed according to the geological conditions of project and stability calculation. |
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