摘要
介绍了大直径管棚超前支护在长治经坊煤矿副斜井表土段中的应用,详述了大管棚支护的设计、施工工艺、安全措施及应用效果。
The large diameter pipe roof advanced support at the auxiliary shaft of Changzhi jingfang coal mine are introduced, which include the design and the construction technologies, the safety measures and the application effects.
出处
《中国煤炭》
北大核心
2011年第12期43-45,49,共4页
China Coal
关键词
巷道支护
大管棚
定向钻进
超前支护
注浆
shaft and drift supporting
large diameter pipe roof
directional drilling
advancesupport
grouting
