摘要
"三软煤层"巷道支护问题一直是困扰生产的难点之一。文章通过对永华煤矿"三软煤层"煤巷矿压规律进行分析,提出了支护方案。实践表明,该方案技术合理可行,达到了预定的支护效果。
The support of coal roadway in seam with soft roof,soft coal and soft floor is a problem of influencing production.This paper puts forward support plan through analyzing strata behavior regularity of coal roadway in seam with soft roof,soft coal and soft floor.The practice indicates that this support plan is reasonable,and achieves the purpose of anticipant.
出处
《煤炭技术》
CAS
2007年第10期41-42,共2页
Coal Technology
关键词
三软煤层
掘进
支护
three soft coal seam
driving
support
