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4 顶板简化分析模型 a-顶板长度；b-顶板宽度；h-顶板厚度；ｑ（x，y）-顶板上部荷载

Fig.4 Simplification roof analysis model