厚软弱顶板岩层巷道围岩控制技术研究与应用  

Research and Application of Surrounding Rock Control Technology at Roadway under Thick and Weak Roof Strata

作　　者：刘小军 Liu Xiaojun(Huayang New Material Technology Group Co.,Ltd.,Yangquan,Shanxi 045000)

机构地区：[1]华阳新材料科技集团有限公司战略发展部煤炭开发科,山西阳泉045000

出　　处：《江西煤炭科技》2021年第4期10-11,14,共3页Jiangxi Coal Science & Technology

摘　　要：为解决厚软弱顶板岩层下巷道维护困难问题,以新大地公司15303工作面回风顺槽为工程背景,分析了厚软弱顶板岩层下巷道围岩变形破坏特征,开发了的厚软弱顶板岩层下巷道围岩控制技术,技术应用后,有效解决了厚软弱顶板岩层下巷道维护难题,实现了15303工作面回风顺槽的稳定控制。Aiming at the difficult roadway maintenance under thick weak roof strata,the paper presents the roadway surrounding rock control technology with high-density anchor cable,Wsteel belt,latitude and longitude net for roof support and anchor bolt,anchor cable,latitude and longitude net for help support by analysis of the deformation and failure characteristics of roadway surrounding rock,which can effectively solve the difficult problem of roadway maintenance and realize the stability control in air-return crossheading at 15303 working face of Xindadi Co..

关 键 词：厚软弱顶板岩层 巷道变形 围岩控制 联合支护 高密度锚索 

分 类 号：TD322[矿业工程—矿井建设] TD353.6