摘要
通过对千秋煤矿二一区进风下山破坏机理分析,制定支护设计原则和扩修可行方案,进行支护参数设计,介绍了施工工艺及应用效果。
Through break mechanism analysis on twenty-one picking section coming air down jebel of Qian Qiu Coal Mine, the support principle and repair approve project are constituted, the support parameters are designed, the construction craft and applying effect are instroduced.
出处
《煤炭技术》
CAS
2007年第9期116-117,共2页
Coal Technology
关键词
煤巷
锚网喷
支护效果
coal avenue
network anchor spray
supporting effect
