柱式采空区蹬空复采充填体高-强协调机制 及其临界高度研究
李竹, 冯国瑞, 朱卫兵, 宁杉
Height-strength coordination mechanism of filling body in pillar goaf and its critical height in kick-off mining
采矿与安全工程学报 . 2021, (3): 469 -478 .  DOI: 10.13545/j.cnki.jmse.2020.0615