金属矿山地下采空区问题研究现状与展望

程力,刘焕新,朱明德,吴钦正

Current Situation and Prospect of Research on Underground Goaf in Metal Mines

Li CHENG,Huanxin LIU,Mingde ZHU,Qinzheng WU

图6 人工矿柱支撑采空区示意图

Fig.6 Schematic diagram of artificial pillar supporting goaf