The Analysis of The Technique Liusha Hole in 12th of Jisan Coal Mine

@inproceedings{Qingqi2005TheAO,
  title={The Analysis of The Technique Liusha Hole in 12th of Jisan Coal Mine},
  author={Yang Qing-qi},
  year={2005}
}
Due to the limitation of mine shaft auxiliary transport capacity of Jisan mine coal, the material of spouting plasm in the pit can't reach the construction place in time, which caused present plasm without spouting tunnel being 13730 metres, and that digging in the tunnel mostly can't whitewash at the right time. To realize the spouting plasm shoring of the tunnel digged and the whitewashing in time of digging in the tunnel, the design office of Jisan mine coal puts forward to drill holes… CONTINUE READING

Similar Papers