工作面冲击地压危险性评价

1309 working face of impact ground pressure hazard evaluation

结合彭庄煤矿生产经验及煤层开采技术条件,采用综合指数法、可能性指数诊断法确定1309工作面冲击危险指数Wt为0.74,冲击地压发生的可能性指数U为1.0,具有中等冲击地压发生的可能性,评价结果对工作面的安全开采有一定的指导意义。

This paper Peng Zhuang coal mine production experience and the mining technical conditions of coal seam, using the comprehensive index method, probability index diagnosis method determine the impact of 1309 face danger index Wt is 0.74, the possibility of index of rock bursts occurred in U 1.0, has the possibility of rock bursts occurred in medium, using the evaluation results to guide the mining working face in.