side lacing

Control of Oversize Ore and the Sidewall of the Stope of Panel upward Medium-length Hole Mechanized Mining;

盘区上向中深孔机械化采矿法采场边帮及大块的控制

Mining blasting inevitably produces endangerment of earthquake wave, air strict wave, flying stones etc, which can endanger persons, equipments, buildings nearby or stope-boundary, therefore take effective measures to ensure safety in blasting.

矿山爆破必然产生地震波、空气冲击波、飞石等危害,危及附近人员、设备、建筑物以及采场边帮的安全,因此必须采取有效措施确保爆破的安全实施。

Mining practice of residual ore body for open pit slope of Shirengou iron mine;

通过对石人沟铁矿露天矿边帮现状的分析,制定并实施了可行的边帮残留矿体的开采方法,确保了边帮的稳定和深部矿体的进一步安全开采。