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提高多节理裂隙矿岩爆破质量的探讨
Discussion on the enhancement of blasting quality for multi-jointed fracture ore rocks.

山东黄金集团三山岛金矿新立矿区（261400）
Xinli Minefield (261400) of Sanshandao Goldmine, Shandong Gold Group.

摘要：本文根据仓上矿区露天采场的实际情况，从理论和实践七个方面，分析了多节理裂隙矿岩爆破产生挡墙、孤岛、根底、大块的原因，并提出了相应的解决办法，对于类似的矿山具有普遍的指导意义，并可获得明显的经济效益。
Abstract: Basing on the actual situation in the open pit of Cangshang Minefield and from the seven theoretical and practical aspects, this article analyzes the causes of the formation of retaining walls, isolated islands, toe rocks and large fragments in the blasting of multi-jointed fracture ore rocks, and proposes relevant solutions to the problems; this has a general guiding significance to other similar mines and prominent realization of economic benefits.

关键词：多节理裂隙矿岩 爆破 挡墙 孤岛 根底 大块
Key words: multi-jointed fracture ore rocks, blasting, retaining walls, isolated islands, toe rocks, large fragments.

Discussion on high