摘要
丰山铜矿南缘矿带地下采矿巷道位于松软破碎岩层中,巷道变形、破坏严重。为解决这一问题,选用光面爆破-锚喷网支护方案。实践表明,这一方案不仅解决了丰山铜矿井下巷道支护问题,而且提高了生产的安全性,降低了矿石的贫化和损失,提高了矿山经济效益。
The mining dsebting excavations was located in saft incompetent formation at the mine which was encountesed doformed and collapsed sesiously. To solve the problem mentioned above, smooth blasting and shotcret mesh holt supporting was applied the practice prooved that the problem was not only solved but also improved mining safety and increased economical profits.
关键词
铜矿
岩层
巷道
支护
Soft incompetent strata, Drift excavation support, SmoIth blasting, Shotcrete mesh bolt support
