多煤层重复采动穿层大巷围岩变形特征及 修复加固技术研究
孙守义, 赵长政, 张云, 都书禹, 辛冰, 肖国强, 武瑞龙, 周杰
The deformation characteristics of surrounding rock of crossing roadway in multiple seams under repeated mining and its repair and reinforcement technology
采矿与安全工程学报 . 2020, (4): 681 -688 .  DOI: 10.13545/j.cnki.jmse.2020.04.005