摘要
在深井软岩的立井近距离施工巷道,采用防炮震、内锚外架、反底拱、注浆施工工艺,有效地防止巷道变形及位移,解决了刘庄煤矿西区上下井安全问题。
In the soft rock deep well of the close of vertical shaft construction, use the gun in shock, the inner anchor and outer frame, grouting construction technology, effectively prevent the roadway deformation and displacement., solving the safety problems of the up and down well on the Liu Zhuang west coal mine well.
出处
《科技信息》
2012年第31期452-453,462,共3页
Science & Technology Information
关键词
深井
软岩
立井
内锚外架
反底拱
联合注浆
Deep well
Soft rock
Vertical shaft
The inner anchor and outer frame
Inverted arch, The joint grouting