复合顶板松软煤层巷道破坏机理及高预应力支护技术研究

Study on Damage Mechanism and High Prestress Support Technology of Roadway in Soft Coal Seam with Composite Roof

对复合顶板松软煤层巷道破坏的主要机理实行概述,对复合顶板松软煤层巷道高预应力支护技术的应用进行探讨,旨在及时明确复合顶板松软煤层巷道受到破坏的原因,合理运用并发挥出高预应力支护技术的作用。

This paper summarizes the main mechanism of roadway damage in soft coal seam with composite roof,and discusses the application of high prestress support technology in soft coal seam with composite roof,aiming at clarifying the reasons of roadway damage in soft coal seam with composite roof in time,and reasonably applying and exerting the function of high prestress support technology.