极软岩厚煤层回风巷支护技术  

Air-return Way Support Technology for Thick Coal Seam Surrouding by Super Soft Rock Strata

作　　者：王献辉[1] 题正义[2] 杨艳景[1] 杨福辉[1] 

机构地区：[1]铁法煤业集团公司大平煤矿,辽宁铁岭112700 [2]辽宁工程技术大学资源与环境工程学院,辽宁阜新123000

出　　处：《煤矿机电》2006年第1期63-66,共4页Colliery Mechanical & Electrical Technology

摘　　要：介绍铁法煤业集团公司大平煤矿在高应力、强膨胀围岩、临近采空区条件下对N1N1工作面回风巷进行的支护技术,采用锚网喷、36U钢双层金属支架复合支护技术在软岩支护中取得良好效果。The paper introduces the support technology used for N1N1 face air-turn way with high stress and strong distention surrounding rock strata and closed to worked-out area by Daping Coal Mine of Tiefa Coal Industry Group Co. , Ltd. The combined support technology using bohing-net-shotcrete lining, 36U double-layer steel support achieves a good result in support for soft rock strata.

关 键 词：高应力强膨胀软岩层 复合支护技术 回风巷 

分 类 号：TD353[矿业工程—矿井建设]