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乐山市境内某井场平整形成填方边坡。边坡坡脚井场污水池开挖中,临空面和边坡支挡工程均出现变形破坏。根据变形破坏的分布规律,从场地地形、建筑物分布、边坡特征和原始坡体物质结构方面,分析该边坡变形机理,评价其稳定性影响因素。并采用极限平衡法对边坡的稳定性及下滑推力进行计算。在此基础上,针对性地提出该边坡的工程处治方案,保证后期井场及污水池的作业安全。
A wellsite in Leshan City formed a flat slope. Slope slope footwell pit pool excavation, temporary surface and side slope supporting project are deformed. According to the distribution rule of deformation and failure, this paper analyzes the deformation mechanism of the slope from the terrain, the distribution of buildings, the characteristics of slope and the material structure of the original slope, and evaluates the influencing factors of its stability. And the limit equilibrium method is used to calculate the stability of the slope and the sliding thrust. On this basis, the project proposal of the slope is put forward in a targeted manner to ensure the operation safety of the well site and the sewage pool in the later period.