摘要
为了提高破碎顶板巷道掘进施工安全,加快巷道掘进速度,大同煤矿集团挖金湾虎龙沟煤业有限公司在51505巷顶板破碎段掘进施工时采取钢针超前支护,有效防止了顶板冒顶、破碎现象,取得了显著成效。
In order to improve the construction safety of broken roof roadway and speed up the roadway excavation,the steel needle advanced support was adopted in the excavation construction of the broken roof section of 5155 roadway by Datong Coal Mine Group WaJinwan Hulonggou Coal Industry Co.,Ltd.,which effectively prevented roof caving and broken phenomenon and achieved remarkable results.
作者
贾凯
Jia Kai(Wajinwan Hulonggou Coal Mine,Datong Coal Mine Group,Shanxi Huairen 036000)
出处
《山东煤炭科技》
2019年第6期69-70,共2页
Shandong Coal Science and Technology
关键词
掘进
破碎
顶板
支护
driving
broken
roof
support
