关键词: 倾斜煤层, 冲击地压, 微震监测, 数值模拟

Abstract: Taking the frequent occurrence of rock burst in No. 17 coal seam of Junde Coal Mine as the engineering background, and combining with the "11.14" rock burst accident, the impact risk of the second section of No. 3, No. 17, No. 34 area in the north of the third level was studied in depth. The results show that three days before the 11.14 rock burst accident, there is a small fluctuation process of "rise-fall" of the energy of the mine tremor; the core area of the energy density cloud has begun to appear before the impact, and the core area is located on the top of the working face; the numerical simulation and theoretical analysis results verify that the leading section of the working face is easy to form a high concentrated static load because of the stress superposition. Under the action of dynamic load disturbance caused by mining, rock burst accident finally occurred. The research results provide some reference for pressure relief and scour prevention in the following mining stage of inclined coal seam face.