复合顶板切顶缷压自动成巷超前补强支护方式选择

On the Choice of the Top Reinforcing Cable Support Mode in Advance When with the Unmounted Composite Roof Unloaded into Lane

以店坪煤矿5-302工作面回风顺槽为背景,通过4种锚索补强支护方案的对比研究,最终确定了针对复合顶板锚索补强支护参数,留巷效果好,顶板下沉量控制在允许范围内,为复合顶板试用切顶缷压自动成巷无煤柱开采提供了借鉴。

Taking air return gateway of the 5-302 working face in Dianping Coal Mine as the background, by a contrast research of four kinds of anchor cable reinforcement support scheme, the paper finally determine supporting parameters of the anchor cable reinforcement for composite roof, and the effect is good, as the roof subsidence control is within the scope, providing references for composite roof top automatically being unloaded into the lane without coal pillar mining.