大松动圈软岩巷道修复复合支护技术研究与实践  

Research and Practice on Repair Compound Support Technology of Soft Rock Roadway with Large Loosening Circle

作　　者：韩老虎 崔玉攀 徐耀 孙谦 郭昌贵 HAN Lao-hu;CUI Yu-pan;XU Yao;SUN Qian;GUO Chang-gui(Nuodong Coal Mine,Henan Energy Guizhou Xing′an Coal Industry Co.,Ltd.,Qianxinan 561504,China)

机构地区：[1]河南能源贵州兴安煤业有限公司糯东煤矿,贵州黔西南561504

出　　处：《煤炭技术》2020年第4期85-87,共3页Coal Technology

摘　　要：为解决糯东煤矿主要大巷两帮移近和底鼓量大的问题,布设松动圈断面进行数据采集,分析松动圈范围和围岩失稳机理可知巷道围岩处于"弱帮-弱底"状态,提出全新的复合支护方案。进行了现场工业试验,结果表明两帮移近和底鼓量在合理范围内,说明支护方案合理可行。In order to solve the problems of two sides moving near and the amount of bottom bulging in the main roadway of Nuodong coal mine,the loose ring section is arranged for data acquisition, and the range of loose ring and the instability mechanism of surrounding rock are analyzed. It can be seen that the surrounding rock of roadway is in the state of "weak side and weak bottom". A new composite support scheme is put forward. The field industrial test is carried out,and the results show that the proximity of the two sides and the amount of bottom drum are within a reasonable range,which shows that the support scheme is reasonable and feasible.

关 键 词：大松动圈 软岩巷道修复 复合支护 

分 类 号：TD353[矿业工程—矿井建设]