Journal of Mining & Safety Engineering ›› 2016, Vol. 33 ›› Issue (6): 1008-1013.

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Optimization of roadway location in lower coal seam from synergy mechanism of contiguous seam mining

  

  • Received:2016-01-23 Online:2016-11-15 Published:2016-11-29

Key words: contiguous coal seam, roadway location, coal pillar size, stress rate