中厚煤层复合顶板小煤柱沿空掘巷支护实践  

Support Practice of Small Pillars Driving Roadways Along Goaf with Medium-thick Seam Composite Roof

作　　者：孙全发[1] 

机构地区：[1]鸡西矿业集团公司城山煤矿,黑龙江鸡西158170

出　　处：《煤炭技术》2008年第3期61-63,共3页Coal Technology

摘　　要：在中厚煤层复合顶板条件下,合理确定小煤柱尺寸及巷道支护参数,可提高煤炭回收率,保证巷道正常掘进和在服务期间内的使用。Under the condlition of medium- thick seam composite roof, the small pillars size and roadways support parameters are reasonably determined. The recovery rate is raised. The normal roadways driving and service period using a-re ensureed.

关 键 词：复合顶板 沿空掘巷 小煤柱 支护设计 

分 类 号：TD353[矿业工程—矿井建设]