复合支护在穿越上覆采空区巷道掘进中的运用

Application of composite support in roadway driving across the overlying goaf

本文研究采用主动和被动相结合的方式进行巷道支护,主动支护采用锚网索支护,被动支护采用U25型钢、喷射混凝土支护,取得预期效果。

This paper studise the method of combining active and passive supporting in roading, the active supporting method is the use of bolt-mesh-anchor support, the passive support is the use of U25 type steel support, and use the shotcrete to close surrounding rock, achieve the desird results.