喷浆封闭围岩与砼碹联合支护技术的应用  

Application of Combined Support by Seiling Surrounding Rock with Shotcreting

作　　者：李书现 

机构地区：[1]平禹煤电公司白庙煤矿,河南禹州452570

出　　处：《煤炭技术》2007年第3期87-89,共3页Coal Technology

摘　　要：白庙煤矿主石门倾斜煤仓布置在细沙岩、粉砂岩、砂质泥岩互层的破碎岩层中,利用小断面自下而上掘进,喷浆封闭,再掘喷;而后自上而下扩断面,喷浆封闭,再扩喷;最后自下而上进行砼碹,既安全又快速,取得了良好效果。The main stone door tilt coal buker of Paimiao Coal Mine is located inclinedly in break rock, with fine sand rock, powder sandstone, the sand mire rock digging from bottom to top by small section, seiling by shotcreting, again digging and shotcreting the enlarging section from top to bottom, seiling by spray concrete expanding to spray again; Finally concreting from bottom to top, which are safe, fast and have obtained good result.

关 键 词：倾斜煤仓 喷浆封闭围岩 砼碹 

分 类 号：TD35[矿业工程—矿井建设]