摘要
介绍了软岩地质条件下,平煤股份六矿二水平-440大巷为软岩巷道,围岩松散破碎,围岩主要以泥岩、沙质泥岩为主,在对巷道围岩强度、支护机理进行了深入的分析,找出了巷道支护的薄弱部位,采用锚、网、喷+注浆+砂浆锚索联合支护技术的应用情况。
This paper describes Pingdingshan shares six mine second level-440 lane belongs to soft rock roadway in the geological conditions of the soft rock. Surrounding rock is loose and broken, country rock gives priority to mudstone, sandy mudstone. Based on indepth analysis of the strength of the surrounding rock, supporting mechanism, finds out the weak parts of the roadway support, using application of combined supporting technology of anchors, nets, spray ＋grouting ＋ mortar anchor.
出处
《价值工程》
2012年第28期140-142,共3页
Value Engineering
关键词
软岩
大断面交岔点
联合支护
注浆加固
soft rock
large section crossing point
united support
grouting reinforcement
