水泥卷锚杆在我矿巷道支护的应用王茂喜，王玉凯，张克服（辽宁五龙金矿）一、前言五龙金矿四道沟分矿矿石属强蚀变浸染型，局部为黄铁矿石英脉型。矿脉属中等稳固；围岩以厚层长石石英片岩为主，下盘局部为石墨化片岩，并发育黄铁矿化、硅化、石墨化，比较松软，稳固性较... Application of Cement Roll Bolt in Mine Roadway Support Wang Maoxi, Wang Yukai, Zhang Kefu (Liaoning Wulong Gold Mine) I. INTRODUCTION The ore of the Sidaogou ore deposit in Wulong gold mine belongs to the strong alteration dipping type, Ore British vein type. The veins are moderately stable; the surrounding rock is dominated by thick feldspathic quartz schist, the lower part of the plate is graphitized schist, and developed pyrite, silicification, graphitization, relatively soft, more stable ...