Study on rational width of the end-mining coal pillar of extra-thick mining panel in permo-carboniferous igneous rock intrusion area

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[1]	. Rockburst-risk prediction in steep-inclined and extremely thick coal seams based on the multi-factor pattern recognition method [J]. Journal of Mining & Safety Engineering, 2018, 35(1): 125-132.
[2]	. Study on dynamic destabilization mechanism of residual high-stage coal pillar in inclined coal seam [J]. Journal of Mining & Safety Engineering, 2018, 35(1): 133-139.
[3]	HAN Jun，ZHANG Hongwei，GAO Zhaoyu，RONG Hai，ZHAO Xiangzhuo，YANG Fawu，WANG Jingxin. Failure height of weak overburden by layered fully-mechanized mining in extremely thick coal seam [J]. Journal of Mining & Safety Engineering, 2016, 33(2): 226-230.

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