三交河煤矿复杂顶板巷道围岩变形控制研究与应用  

Research and Application of Surrounding Rock Deformation Control in Complex Roof Roadway of Sanjiaohe Coal Mine

作　　者：董胜杰 DONG Shengjie(Huozhou Coal and Electricity Group Luhe Coking Coal Co.,Ltd.,Hongdong 041602,China)

机构地区：[1]霍州煤电集团汾河焦煤股份有限公司生产处,山西洪洞041602

出　　处：《煤矿现代化》2020年第3期36-38,41,共4页Coal Mine Modernization

摘　　要：为解决霍州煤电三交河煤矿厚泥岩顶板回采巷道围岩变形严重且不易控制的难题,现采用理论分析、取样试验、现场监测的综合方法,研究了试样泥岩的X射线衍射图谱、崩解过程及扫描电镜图,提出了巷道锚-网-喷联合支护体系。结果表明:试样泥岩矿物成分含量达70%,遇水膨胀,裂隙发育严重;经高强度锚-网-喷优化支护后,巷道围岩变形能够控制在合理范围之内。In order to solve the problem that the surrounding rock of the thick mudstone roof mining roadway in Huojia coal-fired Sanjiaohe coal mine is seriously deformed and difficult to control, the X-ray diffraction pattern of the sample mudstone is studied by the comprehensive method of theoretical analysis, sampling test and on-site monitoring., disintegration process and scanning electron micrograph, proposed a roadway anchor-net-spray combined support system. The results show that the mineral content of the mudstone of the sample is up to 70%,and the water swelling is serious, and the crack is developed seriously. After the high-strength anchor-net-spray optimization support, the deformation of the surrounding rock of the roadway can be controlled within a reasonable range.

关 键 词：泥岩顶板 变形严重 取样试验 联合支护 

分 类 号：TD353[矿业工程—矿井建设]