留设窄煤柱沿空掘巷布置残采面回收三角煤  

Leaving the Narrow Coal Pillar,Driving Roadway along Goaf and Layout Residual Mining Face Recycling Triangle Coal

作　　者：孙湘军[1] 

机构地区：[1]新疆焦煤集团一九三〇煤矿,新疆乌鲁木齐830025

出　　处：《山西焦煤科技》2012年第6期53-56,共4页Shanxi Coking Coal Science & Technology

摘　　要：根据矿井现有36211工作面布置条件,综合考虑上水平采空区开采情况及附近F4-2断层赋存条件,采用留设窄煤柱沿空掘巷回采三角煤柱。介绍了沿空掘巷支护设计、施工以及对顶板和煤帮进行支护的方法,达到安全回收三角煤,提高了经济效益。According to the arrangement conditions of existing 36211 working face in the mine,comprehensively consider the mining of upper level of goaf and occurrence conditions of near the F4-2 fault,by leaving the narrow coal pillar and driving roadway along goaf mining triangle coal pillar.Introduces the supporting design of driving roadway along goaf,the construction and the supporting method of the roof and coal side,achieves safe recovery the triangle coal and increases economic benefits.

关 键 词：留设窄煤柱 沿空掘巷 围岩应力监测 回收三角煤 

分 类 号：TD353[矿业工程—矿井建设]