大深度矿井巷道围岩破坏原因分析及支护技术研究  

Analysis of the Causes of Damage to the Surrounding Rock of Large Depth Mine Tunnel and Research on Support Technology

作　　者：张文鹏 Zhang Wenpeng(Jinneng Holding Coal Group,Sihe Mine,Jincheng Shanxi 048000)

机构地区：[1]晋能控股煤业集团寺河矿,山西晋城048000

出　　处：《机械管理开发》2022年第4期204-205,210,共3页Mechanical Management and Development

摘　　要：为提高大深度矿井巷道支护的稳定性,基于大深度矿井存在冲击地压较大、矿井巷道围岩易严重变形的生产现状,提出了一种以高强度锚索网支护为基础配合井下注浆加固的联合支护技术。实践分析得出,该种新型支护技术不仅显著简化了支护结构,而且大幅提高了矿井巷道支护的平稳性。应用新支护技术后,顶板最大位移量降低了65%左右,侧帮最大位移量降低64%左右,巷道变形现象明显变小,更好地保障了矿井安全生产。In order to improve the stability of large-depth mine roadway support,based on the current production situation that large-depth mines have high impact ground pressure and the mine roadway surrounding rock is prone to serious deformation,the main causes of damage to the mine roadway surrounding rock are analyzed,and a joint support technology based on high-strength anchor cable network support with underground slurry reinforcement is proposed.After the application of the new support technology,the maximum displacement of the roof slab is reduced by about 65%,the maximum displacement of the side gang is reduced by about 64%,and the deformation of the roadway is significantly reduced,which better ensures the safe production of the mine.

关 键 词：矿井巷道 围岩破坏 锚索网支护 

分 类 号：TD353[矿业工程—矿井建设]