随着国内浅中层煤矿资源逐年被开采、消耗,煤矿的平均开采深度在不断加大,地层压力也不断增加,矿震的发生频率也随之增大。准确快......

可控源音频大地电磁测深法(CSAMT)是近些年来最为常用的煤田勘查方法之一,通过分析勘查区的地质特征,选用CSAMT法进行勘测,推测出......

Based on field measurement, the relations was introduced between mining depth and the peak value places of abutment pres......