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文中介绍老柞山金矿东采区 4 0 1采场应用水泥卷锚杆支护不稳固顶板围岩 ,使采场的贫化率由 30 %以上减少到 10 % ,取得了较好的技术经济效果。同时 ,对水泥卷锚杆支护的结构、技术参数、布置网度和安装工艺进行了技术评价。
This paper introduces the application of cement bolting to unsteady roof surrounding rock in the 4 0 1 stope in the east mining area of Laozuoshan Gold Mine to reduce the depletion rate of stope from 30% to 10% and obtain better technology Economic effect. At the same time, the technical evaluation of the structure, technical parameters, layout degree and installation process of cement roll anchor support was carried out.