条带放顶煤开采条带煤柱支护技术  

Study on bolt supporting of retain strip pillar in strip top coal mining

作　　者：赵忠明[1] 勾攀峰[1] 李德海[1] 王建学[2] 

机构地区：[1]焦作工学院,河南焦作454000 [2]煤炭科学研究总院,北京100013

出　　处：《矿山压力与顶板管理》2003年第1期49-50,56,共3页Ground Pressure and Strata Control

摘　　要：本文介绍了在金桥煤矿大面积村庄压煤的条件下 ,用条带放顶煤开采 ,对保留条带煤柱进行锚杆支护 ,保留条带煤柱能长期有效的支撑顶板岩层 ,在金桥煤矿的具体条带方案实施中 ,煤炭回收率可达 40 %～5 5 % ,带来了较好的经济效益和社会效益。This paper presents bolt supporting of retain strip pillar in strip top coal mining in Jinqiao colliery where the coal seam is occupied by villages, the retain trip coal pillar can support the roof effectively and over a long period of times, the coal rate of recovery can be improved between 40% 55%, so the better economic and social benefit can be improved.

关 键 词：放顶煤开采 条带开采 锚杆支护 煤炭回收率 地质条件 

分 类 号：TD823.6[矿业工程—煤矿开采]