摘要
厚泥岩顶板支护是当今一大技术难题。单纯从提高锚杆支护强度和密度出发,成本增加很大,支护效果也不理想。本文分析了肩角锚杆支护理论,并运用到现场工程实践中,支护效果大大改善。
It is diffcult in the support of mudstone roof.Based on the analysis of the humeral angle bolt supporting theory,The paper used the theory to the engineering practice and achieved good supporting effect.
出处
《陕西煤炭》
2011年第3期83-84,共2页
Shaanxi Coal
关键词
厚泥岩顶板
肩角锚杆理论
复合支护
thick mudstone roof
bolt supporting theory
combined support
