“喷锚注”技术施工方便,注浆快速,支护效率高;通过封堵围岩裂隙、隔绝空气、阻止地下水侵蚀,使破碎围岩胶结成整体,再造围岩;形成多个组合拱共同承载,改善了围岩应力分布,将顶板所受应力通过两帮传递到底板,提高了巷道围岩整体稳定性和自承能力。兑镇煤矿应用“喷锚注”技术有效地解决了破碎巷道掘进及围岩控制问题,保障了安全生产,获得了良好的效益。 “Spray anchor” technology convenient construction, rapid grouting, high support efficiency; by blocking rock cracks, isolated from the air to prevent erosion of groundwater, so that the surrounding rock crushed into a whole, re-create the surrounding rock; the formation of multiple The combined arches co-carry to improve the stress distribution of the surrounding rock, and the stress on the roof is transmitted to the floor through two supports to improve the overall stability and self-supporting capacity of the surrounding rock of the roadway. Duizhen coal mine application “spray anchor injection ” technology effectively solve the tunneling and surrounding rock control problems, to protect the safety of production, and achieved good results.