1Intelligent coal mining pattern and technological pathWANG Guofa, PANG Yihui, REN Huaiwei1-152Ground surface fracture development characteristics of shallow double coal seam staggered mining based on particle flowHOU Enke, CONG Tong, XIE Xiaoshen, WEI Jiangbo16-243Influence of oil well casing on the law of strata pressure in working faceXIAO Jiang, HAO Qiangqiang, ZHANG Sida, FAN Siwei25-324Research on river dike failure of short-distance coal seams mining under Hunchun RiverLI Jianghua, LI Hongjie, LI Zaichun, WU Zuoqi33-425Stability analysis of roof in goaf considering time effectWANG Jie, ZHANG Chao, ZHENG Di, SONG Weidong, JI Xiaofei43-516Numerical study on bearing behavior of layered rock mass for deep roadwaySU Shilong, DU Yue, ZHU Junfu, ZHANG Li, ZHAO Zhenlong, MENG Bo52-627Study on non-pillar mining technology of preset packing body and roof cutting in deep well roadwayYANG Guanghui, WANG Kai, ZHANG Xiaoqiang63-708Reasonable width of narrow coal pillars in roadway driving with gas drainage holeLI Yao, DU Gang71-799Experimental study on hydraulic reaming of gutters in coal seam with impact pressureXIA Yongxue, JU Wenjun, SU Shijie, LU Qi, DING Guoli, SU Bo, CHEN Zhijie80-8710Experimental study on mining fault activation characteristics by a distributed optical fiber systemZHANG Dingding, LI Shujun, ZHANG Xi, YANG Yuyu, CHAI Jing88-9611Study on the special rules of surface subsidence affected by normal faultsXU Naizhong, GAO Chao97-102