| 边坡稳定性分析中几个问题的探讨 |
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| 引用本文： | 丰定祥,吴家秀,葛修润.边坡稳定性分析中几个问题的探讨[J].岩土工程学报,1990,12(3):1-9. |
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| 作者姓名： | 丰定祥 吴家秀 葛修润 |
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| 作者单位： | 中国科学院武汉岩土力学研究所； |
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| 摘 要： | 本文结合工程实例讨论了在边坡稳定性分析中的几个重要问题:1.平面课题极限平衡分析中潜在滑动面的确定,介绍了一种有效的搜索方法,可以运用于边坡形状和地质条件复杂的各种边坡工程问题;2.关于垂直张裂缝的深度问题;3.有限单元法计算结果和稳定性评价;4.地下水渗流的动水压力对边坡稳定性的影响,指出在有些情况下这种影响是不能忽视的。
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| 关 键 词： | 潜在滑动面 边坡稳定性分析 动水压力 安全系数 等势线 垂直裂缝 几个问题 极限平衡分析 滑动弧 滑坡体 |
Some Problems of Slope Stability Analysis |
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| Feng Dingxiang,Wu Jiaxiu,Ge Xiurun.Some Problems of Slope Stability Analysis[J].Chinese Journal of Geotechnical Engineering,1990,12(3):1-9. |
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| Authors: | Feng Dingxiang Wu Jiaxiu Ge Xiurun |
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| Affiliation: | The Institute of Rock and Soil Mechanics Academia Sinica Wuhan |
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| Abstract: | Four important problems in the analysis of slope stability are discussed in combination with practical engineering examples:1. Determination of potential failure surface ia two dimensional problems for limiting equilibrium analysis. An effective method for seeking failure surface is introduced which can be used for various slope engineering projects with complex geometrical and geological conditions.2. Vertical tension crack depth.3. Evaluation of stability based on calculated results of finite element method.4. The influence of seepage force on slope stability. It is pointed out that ia some cases this influence can not be ignored. |
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