摘要
根据岳城煤矿复用巷道围岩变形破坏现况,对其支护体系和支护效果进行评价分析,确定顶板易风化、巷道补强不及时、瓦斯抽采导致煤体强度降低是复用巷道围岩变形大的三个主要因素;据此提出相应对策,能为以后复用巷道支护提供技术支持。
On the basis of deformation and failure of surrounding rocks in reused roadways in Yuecheng Mine, the supporting system and its effect are evaluated. Three major factors, causing bigger deformation in the reused roadways, are concluded, including roof which is easy to weather, untimely reduced strength of coal caused by gas drainage. The corresponding countermeasures support for the reused roadway support in future. entry reinforcement, and could provide technical
出处
《山西煤炭》
2014年第2期57-59,共3页
Shanxi Coal
关键词
复用巷道
效果分析
原因分析
处理对策
reused roadway
effect analysis
cause analysis
countermeasures
