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结合刚果绿纱矿区工程地质勘探资料,针对边坡的实际工程地质条件,采用工程地质类比法和有限单元法,对不同坡度的边坡稳定性进行分析。分析表明:边坡西侧总体坡角为45°,东侧总体坡角为50°;当开挖后坡角50°时,边坡西侧坡面附近的强风化带处出现应力集中现象和最大水平位移,存在滑塌可能,当开挖后坡角45°时,边坡东侧F_1断层附近存在局部滑塌可能。
According to the geological exploration data of Congo green yarn mining area, according to the actual engineering geological conditions of slope, the slope stability of different slopes is analyzed by engineering geology analogy method and finite element method. The analysis shows that the overall slope angle is 45 ° on the west side of the slope and the overall slope angle is 50 ° on the east side. When the slope angle is 50 ° after excavation, the stress concentration appears in the strong weathered zone near the slope on the west side of the slope, The maximum horizontal displacement may cause the possibility of landslip. When the slope angle is 45 ° after excavation, there is a possibility of local collapse near the F_1 fault on the east side of the slope.