Strong strata behavior mechanism under long distance overlapping coal pillar: taking multiple coal seams mining of Datong mining area as an example
ZHU Zhijie, ZHANG Hongwei, CHEN Ying, HUO Bingjie, TANG Guoshui
China Safety Science Journal . 2017, (3): 83 -88 .  DOI: 10.16265/j.cnki.issn1003-3033.2017.03.015