三峡库区枣子树包滑坡稳定性和治理研究OA
Study on Stability and Treatment of Landslide in Zaozishubao of Three Gorges Reservoir Area
每年的库水位下降期间,三峡库区的许多滑坡都出现了较大的变形. 从三峡库区枣子树包滑坡的结构和变形特征出发,分析了其成因机制及其稳定性状况;采用有限元法模拟了库水位下降时滑坡地下水渗流场,并将所得孔隙水压力用于滑坡的极限平衡分析,探讨了水位下降速率对滑坡稳定性的影响机理和规律. 研究表明:该滑坡是早期岸坡岩体产生滑移-弯曲破坏后堆积并经漫长改造形成的,目前处于基本稳定状态,预计在加大库水位下降速度后处于欠稳定状态;滑坡稳定性系数随库水位下降而降低,…查看全部>>
Many landslides in Three Gorges reservoir area have large deformation during the drawdown of reservoir water level every year.In this paper, based on the landslide structure and deformation characteristics of Zaozishubao in Three Gorges reservoir area, the formation mechanism and stability situation are analyzed;groundwater seepage fields are simula-ted by using finite element method when the reservoir water level falls, the pore water pressures are used for…查看全部>>
何健保;杨何;缪信
成都理工大学地质灾害防治与地质环境保护国家重点实验室,四川成都610059成都理工大学地质灾害防治与地质环境保护国家重点实验室,四川成都610059成都理工大学地质灾害防治与地质环境保护国家重点实验室,四川成都610059
地质学
滑坡水位下降速率稳定性抗滑桩三峡库区
landslidedrawdown rate of water levelstabilityanti-slide pileThree Gorges reservoir area
《探矿工程-岩土钻掘工程》 2015 (12)
84-87,4
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