| 水位变化过程中边坡临界滑动场 |
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| 引用本文： | 沈银斌,朱大勇,姚华彦.水位变化过程中边坡临界滑动场[J].岩土力学,2010,31(Z2):179-183. |
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| 作者姓名： | 沈银斌 朱大勇 姚华彦 |
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| 作者单位： | 合肥工业大学 土木与水利工程学院，合肥 230009 |
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| 基金项目： | 国家自然基金资助项目（No. 40772172）；国家重点基础研究计划(973)项目(No. 2008CB425801)；国家“十一五”科技支撑计划项目专题（No. 2006BAC04B05）；安徽省人才开发基金项目（No. 2008Z015）。 |
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| 摘 要： | 库水位升降过程中,会引起边坡体内孔隙水压力分布的变化,对边坡的稳定性产生影响。对边坡临界滑动场进行改进,提出了可以考虑水位变化过程的边坡临界滑动场数值模拟方法,方便、快速地计算出边坡局部、整体安全系数在水位变化过程中的变化历程。通过对一个典型边坡在水位上升和下降过程中的稳定性分析,并和其他方法进行比较分析,结果表明,临界滑动场方法能搜索任意形状的最危险滑面,计算的安全系数是合理的。
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| 关 键 词： | 边坡稳定性 水位升降 孔隙水压力 临界滑动场 安全系数 |
| 收稿时间： | 2010-04-25 |
Critical slip field of slope in process of reservoir water level fluctuations |
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| SHEN Yin-bin,ZHU Da-yong,YAO Hua-yan.Critical slip field of slope in process of reservoir water level fluctuations[J].Rock and Soil Mechanics,2010,31(Z2):179-183. |
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| Authors: | SHEN Yin-bin ZHU Da-yong YAO Hua-yan |
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| Institution: | School of Civil Engineering, Hefei University of Technology, Hefei 230009, China |
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| Abstract: | The process of reservoir water level fluctuation will cause the changes of the slope body in the pore water pressure distribution, which has influences on slope stability. By improving critical slip field of slope, the numerical simulation method of critical slip field of slope, considering the process of water level changes, is proposed. Thus, slope local safety factor and slope safety factor of the whole in the process of changes in water level course are calculated conveniently and rapidly. By means of stability analysis of a typical slope in the process of rise and fall in water level and comparing with other methods., the results show that the critical slip field method can search for any shape of the most dangerous slip surface; and the safety factor is reasonable. |
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| Keywords: | slope stability reservoir water level fluctuation pore water pressure critical slip field of slope safety factor |
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