摘要
该文通过分析论述煤巷预应力锚杆支护作用的机理,提出了煤巷预应力锚杆支护设计新方法,并在施工过程中根据工程反馈信息不断修改,取得了良好的支护效果,使锚杆支护使用范围延深,取得了显著的社会效益和经济效益。
Analysis of Coal discussed the role of prestressed bolting mechanism,proposed roadway design of prestressed bolting the new method,by monitoring means,and in the construction process in accordance with engineering feedback continuously changing,and achieved good The supporting effect,so bolting the use of extended range,and achieved remarkable social and economic benefits.
出处
《山东煤炭科技》
2011年第2期155-156,共2页
Shandong Coal Science and Technology
关键词
深部煤巷
锚杆支护
围岩稳定性
deep coal
bolting
improve stability of surrounding rock
full body surrounding and supporting the role of joint load