摘要
针对古书院矿北三煤柱工作面煤层松软的条件,采用强力支护理论,在和原支护相同间排距的条件下,增加了锚杆锚索以及其它构件的刚度和强度,确保了巷道的安全,满足了工作面回采的需要。
North for three Gushuyuan soft coal pillar face conditions,With strong support theory,And the original support in the same row spacing between the conditions,Increased the bolt and cable and other components of the stiffness and strength,To ensure the safety of roadway,Meet the needs of mining face.
出处
《煤》
2011年第6期21-22,73,共3页
Coal
