Stability Analysis and Engineering Control of Sliding Zone in Soft Rock Slope along Inclined Coal Seam

According to the sliding status of soft rock slope along inclined coal seam, the sliding mechanism and engineering control measures were studied in combination with GPS monitoring data.The results show that the sliding mechanism is that the leading edge of the sliding body is cut out, the trailing edge of the sliding body generates tensioning cracks, and the cut rock layer along the weak layer in the middle sliding section produces the stratification and bedding sliding. The SLOPE / W software and monitoring data were used to evaluate the stability before and after the sliding area slope engineering treatment. The evaluation results show that the stability coefficient of the sliding slope before treatment is 0.976 and 0.996, and the monitoring displacement gradually increases, indicating that it is unstable .After the project management, the safety reserve coefficient of 1.2 has been reached and the displacement of monitoring tends to be close to horizontal. It shows that the selection of engineering management measures is appropriate, which provides guidance for the sliding deformation of soft rock slope along coal seams and the selection of treatment measures.