| 水位骤降下边坡渗流场与应力场耦合数值分析 |
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| 引用本文： | 卢树盛,辛全才,肖诗荣,王世梅,董书明.水位骤降下边坡渗流场与应力场耦合数值分析[J].水文地质工程地质,2010,37(6):130-133. |
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| 作者姓名： | 卢树盛 辛全才 肖诗荣 王世梅 董书明 |
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| 作者单位： | 西北农林科技大学水利与建筑工程学院;三峡大学三峡库区地质灾害教育部重点实验室; |
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| 摘 要： | 引入非饱和-饱和的渗流分析方法,考虑渗透系数以及饱和度与基质吸力之间的非线性关系,分析渗流场-应力场耦合机理和相互影响关系,并采用渗流场-应力场耦合有限元法对水位骤降下堤坝边坡位移场、孔隙水压力、超孔隙水压力进行具体分析。分析结果表明,利用渗流场-应力场耦合有限元法,比不考虑基质吸力和双场耦合作用分析,更加真实可靠。
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| 关 键 词： | 基质吸力 非稳定渗流 耦合 边坡稳定 |
Coupling numerical analysis of seepage and stress fields of slope when the water rapid drawdown |
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| LU Shu-sheng,XIN Quan-cai,XIAO Shi-rong,WANG Shi-mei,DONG Shu-ming.Coupling numerical analysis of seepage and stress fields of slope when the water rapid drawdown[J].Hydrogeology and Engineering Geology,2010,37(6):130-133. |
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| Authors: | LU Shu-sheng XIN Quan-cai XIAO Shi-rong WANG Shi-mei DONG Shu-ming |
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| Institution: | .College of Water Resource and Architectural Engineering Northwest A & F University,Yangling 712100;2.China Three Gorges University Key Laboratory of Geological Hazards in Three Gorges Reservoir Area,Ministry of Education,Yichang 443002,China |
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| Abstract: | The water rapid drawdown to the dyke slope stability influence is the present Geotechnical hot issues,This article mainly introduces the unsaturated transfusion analysis method,considered that between the penetration coefficient as well as the degree of saturation and matric suction ’s misalignment relations,the analysis infiltrates the flow field-stress field coupling mechanism and the mutual influence relations,under uses infiltrates the flow field-stress field coupling finite element method t... |
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