简述了铲运机出矿的下向进路式水砂充填采矿法的主要技术特点和在武山铜矿北矿带的成功应用。
This paper describes main technical characteristics of underhand drift hydraulic sand filling method and its successful application at North Part of Wushan Copper Mine.
保持最下一层空场出矿分段的进路端部出矿口不敞空，防止冒落冲击危害。
Then, it is to remain some blasted ore to block the drift outlet at the last mining level to prevent the impact of air flows induced by the rock falling.
保持最下一层空场出矿分段的进路端部出矿口不敞空，防止冒落冲击危害。
Then, it is to remain some blasted ore to block the drift outlet at the last mining level to prevent the impact of air flows induced by the rock falling.
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