作者单位:CAO An-ye,TU Shi-hao,WAN Zhi-jun,ZHANG Dong-sheng(School of Mines, China University of Mining and Technology,Xuzhou Jiangsu 221116, China)曹安业,屠世浩,万志军,张东升(中国矿业大学矿业工程学院,江苏徐州221116)DOU Lin-ming(State Key Laboratory of Coal Resources and Mine Safety , China University of Mining and Technology, Xuzhou Jiangsu 221116, China)窦林名(中国矿业大学煤炭资源与安全开采国家重点实验室,江苏徐州221116)