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作 者:安光明[1] 毛彦龙[2] 李滨[2] 崔振东[1]
机构地区:[1]中国科学院地质与地球物理研究所,北京100029 [2]长安大学地测学院,西安710054
出 处:《工程地质学报》2007年第5期593-598,共6页Journal of Engineering Geology
基 金:国家自然科学基金(NO.40472145).
摘 要:通过实地野外调研,在详细研究重庆市涪陵区植物油厂滑坡的区域环境和地质条件,结合滑坡特征的基础上,对植物油厂滑坡成因机制进行了研究得出如下结论:滑坡区上方修建319国道引起阁系水流量增大致使原河谷下切和排洪暗涵修建后的不完全回填这两个人为工程活动使滑坡前缘临空面增大是滑坡产生的决定性因素;夏季长期大量的降雨是主要的诱发因素。根据地形地貌和地质岩性条件,采用数值模拟和刚体极限平衡计算相结合的方法对滑坡变形特征和滑坡稳定性进行了验证。最后,根据成因机制和影响因素,对研究区内的滑坡治理方案进行了初步探讨。Through on -site field investigation, a detailed study of the site environment and geological conditions are carried out at the landslide at the vegetable oil factory in Fuling District of Chongqing. According to the landslide feature and influential factors, three conclusions are reached as follow: the building of the State Road No. 319 above the landslide area caused the increased water flow and incomplete backfilling of the drainage channel. These two human activities are the crucial factors causing the landslide; the long- term rainfall is the controlling factor. FEM and limit equilibrium method were used to evaluate the stability of the slide. According to assessment results and influential factors, this paper discussed the treatment methods of the landslide.
分 类 号:P642.22[天文地球—工程地质学]
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