Journal of Mining & Safety Engineering ›› 2016, Vol. 33 ›› Issue (5): 813-818.

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Asymmetric support of coal roadway nearby narrow pillar based on the damage process of shear strain in fully-mechanized caving mining

  

  • Received:2014-12-24 Online:2016-09-15 Published:2016-10-10

Key words: channel-steel truss, offset arrangement, asymmetric support, controlling mechanisms