One kind of mechanized mining methods column room PILLAR

2014 
The present invention discloses a method of mechanized point column room and pillar mining, comprising a stope arrangement, mining sequence of Preparatory cutting, mining, drilling, roof management, the mine ventilation. The present invention effectively solves the problem of interaction and mutual restriction between the upper and lower layers of the multilayer ore mining process, interference between the upper and lower work small, lean loss of effective control, significantly reduce production costs.
    • Correction
    • Source
    • Cite
    • Save
    • Machine Reading By IdeaReader
    0
    References
    0
    Citations
    NaN
    KQI
    []