摘要
山西新元煤炭有限责任公司对3207回风顺槽底板鼓起地段采取起底浇筑、安装"L"型梁、施工"T"型支护、架设工字钢棚等联合方法进行治理,取得了显著成效。
The joint method of bottoming, installing "L" beam, constructing T-type support, and erecting I-steel shed have been adopted to treat the protrusion of 3207 return air slotted floor, Shanxi Xinyuan Coal Co., Ltd., which achieves significant results.
作者
李超
Li Chao(Shanxi Xinyuan Coal Co.,Ltd.,Yangquan,Shanxi 04540)
出处
《江西煤炭科技》
2018年第4期97-98,102,共3页
Jiangxi Coal Science & Technology
关键词
软岩
煤巷
底鼓
治理措施
soft rock
excavation roadway
floor heave
control Measures