晋城矿区下保护层开采覆岩运移及裂隙演化规律研究

焦振华，陶广美，王浩，卢志国

Overburden strata movement and fissure evolution in lower protective layer in Jincheng mining district

JIAO Zhenhua，TAO Guangmei，WANG Hao，LU Zhiguo

采矿与安全工程学报 . 2017, (1): 85 -90 .