Journal of Mining & Safety Engineering ›› 2016, Vol. 33 ›› Issue (5): 860-866.

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Study on the first failure and caving mechanism of key strata of shallow coal seam

  

  • Received:2015-10-22 Online:2016-09-15 Published:2016-10-10

Key words:  , shallow coal seam;dynamic disaster;key strata;cracking , process;caving mechanism;elastic thin plate