1Spatial scale analysis on coal mining and strata control technologiesKANG Hongpu1-262Law of overburden and surface movement and deformation due to mining super thick coal seamHU Qingfeng, CUI Ximin, LIU Wenkai, MA Tangjing, GENG Haoran27-353Optimization and application research of soft rock roadway support scheme based on AHPWANG Yuyang, LIU Yong, WANG Chen, HAN LianChang, LENG Guanghai36-444Study on loose zone testing and support technology of roadway surrounding rock affected by dynamic pressureZHAO Qingchong, FU Baojie45-525Research on roof falling mechanism and support technology of mining roadway in expansive soft rockWANG Pu, ZHANG Baisheng, WANG Lei, LIN Xueyao, SONG Xiaofei, GUO Junqing53-616Study on deformation evolution law and support technology of surrounding rock in multiple mining roadwayZHANG Tian, WANG Yiliang62-697Crack detection method in similar material models based on DICCHAI Jing, OUYANG Yibo, ZHANG Dingding70-808Detection of overlying rock structure and identification of key stratum by drilling and logging technologyLIU Yaoxin, GAO Mingshi, ZHAO Huashan, HE Shuanglong, LI Zhenguo, ZHANG Zhicong81-899Application of YOLOv2 in intelligent recognition and location of coal and rockZHANG Bin, SU Xuegui, DUAN Zhenxiong, CHANG Lizong, WANG Fuzhou90-9710Analysis of roadheader's rotary table on vibration modal based on finite element method and tested dataCHEN Jianwei98-106