摘要
为了提高破碎顶板掘进巷道支护效果,防止顶板事故,对1001巷顶板破碎原因进行合理分析,提出了锚杆注浆支护与π型钢棚支护联合支护措施,取得了显著成效。
In order to improve the supporting effect of broken roof driving roadway and prevent roof accidents,the causes of 1001 roadway roof breaking are analyzed reasonably,and the combined supporting measures of bolt grouting support andπtype steel shed support are put forward,which have achieved remarkable results.
作者
闫成柱
Yan Cheng-zhu(Fangshan Mugua Coal Mine,Lvliangshan Coal&Electricity Co.,Ltd.,Huozhou Coal&Electricity Group,Shanxi Lvliang 033100)
出处
《山东煤炭科技》
2019年第12期7-8,11,共3页
Shandong Coal Science and Technology
关键词
大断面
巷道
支护
large-section
roadway
support
