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在对研究区工程地质条件研究的基础上,通过现场调查、对楞古栋滑坡区的工程地质条件、滑坡的边界条件和滑坡的坡体结构进行研究,结合滑坡稳定性的影响因素,根据楞古栋滑坡坡表滑坡堆积物的地形地貌、地质结构以及变形失稳破坏的模式等,选取纵剖面作为计算依据;以边坡稳定性计算时采用的强卸荷带内组合结构面以及基覆基面作为滑动面;塌滑范围依据平面地质图上的潜在滑移体的边界。考虑斜坡稳定性、坡体结构、失稳破坏的机制,结合工程实际情况,对岸坡进行失稳后的涌浪计算分析。
Based on the study of the engineering geological conditions in the study area, the site geological conditions, the boundary conditions of the landslide and the slope structure of the landslide are studied through field investigation. According to the influence factors of landslide stability, The topography, geologic structure and the mode of deformation and failure of the landslide deposits in the Guandong landslide slope slope are selected as the basis of calculation; the strong unloading zone inner composite structure surface and the base covering The basal plane serves as the slip plane; the range of slip is based on the boundary of the potential slip body on the planar geology map. Considering the mechanism of slope stability, slope structure and instability, combined with the actual situation of the project, the wave calculation and analysis of the slope after instability are carried out.