摘要
介绍杨庄煤矿在失修巷道特别是冒顶巷道中推行锚喷支护新工艺的施工方法,并对锚杆支护设计、矿压观测结果及所取得的技术经济效益进行了分析。
The paper introduces the construction way of new anchor supporting technology on out off repairing tunnel, especially on falling tunnel in Yangzhuang Colliery, it also makes analysis on the design of bolting supporting, results of pressure surveying and its technical economic efficiency, which has improved the construction speed and proved obvious safety efficiency.
出处
《江西煤炭科技》
2009年第1期27-28,共2页
Jiangxi Coal Science & Technology
关键词
锚喷支护
冒顶
锚网
new anchor supporting technology
fall
cable
