喷锚网支护在金山店矿体中的应用

The Application of Cement Injection Pile for Difficult-to-mine Orebody in Jinshandian Iron Mine

无底柱分段崩落法能否在松软矿体中成功使用,关键在于回采巷道的稳定性。本文对易垮冒巷道的支护和维护进行了探讨,提出了一套较为可靠的喷锚网支护方法,经实际应用,效果较好。

The stability of gateway is very important for the pillarless sublevel caving in soft orebody, it gets a good result by using the method of cement injection pile in Jinshandian Iron Mine.