摘要
阐述了童亭煤矿软岩复合顶板煤巷围岩变形特征及二次耦合支护原理 ;并介绍了 10 4 2工程实践经验。
This paper expounds the deformation characteristics of roadway surrounding rock with soft-rock compound roof,and its re-coupling support rules of Tongting Colliery,also introduce the practice experiece of 1042 engineering.
出处
《煤炭技术》
CAS
2003年第11期53-55,共3页
Coal Technology
关键词
软岩顶板
组合锚杆
锚索
耦合支护
soft-rock roof
assembled bolt
ancher rope
coupling support
