Experimental research on overlying strata movement and fracture evolution in pillarless stress-relief mining

查看全文 作　　者：Junhua [1]Xue;Hanpeng [2]Wang;Wei [1]Zhou;Bo [1]Ren;Changrui [1]Duan;Dongsheng [1]Deng 机构地区：[1]State Key Laboratory of Deep Coal Mining & Environment Protection, Huainan 232001, China;[2]Geotechnical & Structural Engineering Research Center, Shandong University, Jinan 250012, China 出　　处：《International Journal of Coal Science & Technology》索引2015年第2卷第1期,共8页 基　　金：Acknowledgments The program was supported by the National Natural Science Foundation of China (51427804) and the Open Found of State Key Laboratory of Deep Coal Mining & Environment Protection. 关 键 词：多煤层开采 岩层运动 断裂演化 无底柱 采空区侧 实验 减压 煤层瓦斯含量