| 考虑饱和-非饱和渗流作用的重庆奉节鹤峰乡场镇滑坡稳定性分析 |
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| 引用本文： | 李俊业,唐红梅,陈洪凯,曾蓉.考虑饱和-非饱和渗流作用的重庆奉节鹤峰乡场镇滑坡稳定性分析[J].中国地质灾害与防治学报,2010,21(4):1-7. |
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| 作者姓名： | 李俊业 唐红梅 陈洪凯 曾蓉 |
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| 作者单位： | 重庆交通大学岩土工程研究所; |
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| 基金项目： | 重庆市重点自然科学基金，中国博士后科学基金特别资助项目，全国高校博士点基金 |
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| 摘 要： | 岩土体中由于孔隙水压力的存在使得力学性状的分析变得更加复杂化,对饱和-非饱和渗流场的研究一直是岩土工程界的一大难点问题。基于三峡水库的库水位调度方案与实测月的降雨资料,分三种工况以极限平衡原理和Morgenstern-Price条分法为基础对重庆奉节鹤峰乡场镇滑坡进行了瞬态稳定性分析,研究了水分在坡体内的运移对边坡稳定性的时间影响效应。研究表明:场镇滑坡在库水位为145m与降雨耦合情况下,稳定系数1.15,不会失稳产生滑动;在降雨与库区水位175m和175m陡降至145m等因素耦合情况下失稳,稳定系数介于0.94～1.10,处于极限平衡状态及不稳定状态。
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| 关 键 词： | 工程地质 饱和-非饱和渗流 稳定性分析 耦合 滑坡 三峡库区 重庆市奉节 |
Stability analysis of Changzhen landslide in considering saturated and unsaturated seepage effects |
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| LI Jun-ye,TANG Hong-mei,CHEN Hong-kai,ZENG Rong.Stability analysis of Changzhen landslide in considering saturated and unsaturated seepage effects[J].The Chinese Journal of Geological Hazard and Control,2010,21(4):1-7. |
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| Authors: | LI Jun-ye TANG Hong-mei CHEN Hong-kai ZENG Rong |
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| Institution: | LI Jun-ye,TANG Hong-mei,CHEN Hong-kai,ZENG Rong(Institute of Geotechnical Engineering,Chongqing Jiaotong University,Chongqing 400074,China) |
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| Abstract: | As the existence of pore water pressure in the rocks and soils,the analysis of the Mechanical properties of the matericals.becomes more complicated,Studying of saturated-unsaturated seepage has been a big and difficult problems in geotechnical engineering.Based on the water level scheduling scheme and the rainfall measured data in the Three Gorges Reservoir 's,Using the limit equilibrium theory and Morgenstern-Price slice method Analyzed transient stability of HeFeng landslide Xiangchang Fengjie of Changqin... |
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| Keywords: | engineering geology saturated-unsaturated seepage stability analysis coupling landslide Three Gorges Reservoir Area Fengjie of Chongqing City |
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