1Advancement and deployment of the"Technology Innovation Provider"service modeZHAO Shousen, FU QiangDesign Technology1-72Comparison and selection of different gob-side entry retaining methods and the engineering applicationXI Shouzhong, LIU Yuxuan, JIN Hongyu, CUI Jianbo, ZHAO Junpeng, TANG JiaruiDesign Technology8-173Evaluation of shaft safety under mining influenceGUO Wenyan, ZHANG Junying, LIU Zhifei, CHEN QingtongDesign Technology18-234Reasonable staggered distance of coal pillar in repeated mining area of contiguous seamsMAO HuajinDesign Technology24-305Monitoring technology of cemented filling mass in continuous mining-filling of coal mineKONG Lingjun, PAN Liming, LIU Pengliang, FAN Zhizhong, ZHANG Hui, LI ShuaiDesign Technology31-356Application of UAV inclined photogrammetry in comprehensive ecological restoration of subsidence area above goafsPENG Zhen, WANG NingDesign Technology36-417Causes of shaft damage in mine plant coal pillar mining and the prevention technologyCHENG Hua, YU Hong, SONG Haiqing, CHENG Lang, RONG Chuanxin, YAO Zhishu, PENG ShilongConstruction Technology42-508Study on the measurement and optimization of the integrated construction technology in Caojiatan coal mineXU Peng, YANG Tuo, ZHANG Jian, LUO Jianqiao, DING WeiboConstruction Technology51-579Design and application of self-formed roadway support for cutting roof and relieving pressure in one-kilometer deep mineGUO Zhibiao, WANG Chengzhong, YIN Songyang, YANG Dongshan, ZHANG ShuaiConstruction Technology58-6210Application of directional deep-hole water exploration and release technology in Pingmei No.5 MineWANG Meng, LIU Junliang, HE Ping, ZHANG Ying, ZHU JingpeiConstruction Technology63-6811Principle of fully mechanized gangue-throwing filling technology and the sand-throwing testWU Yuyi, LIU Chengyong, ZHANG Peng, LIU Wentao, HUANG Jianbin, LIU Zhicheng, WANG HanqiuProduction Technology69-7412Failure height of overlying strata in lower slice mining under thick alluvium and thin bedrockWANG Wenwei, LU Xiaowei, DING Kunpeng, WANG WenProduction Technology75-8313Key technology for intelligentization of thin coal seam fully mechanized mining face and its applicationSONG Guoli, ZHAO Yunfei, CAO NingningProduction Technology84-8814Key technology of dust source tracking spraying dust reduction in fully mechanized mining faceLIU Liren, LYU Mingjie, ZHENG Lei, HE ShengtianProduction Technology89-9415Research and application of rapid quantitative loading for bulk material containerLI Xu, SUN GuoshunProduction Technology95-10016Influence of surface screening plant on the stability of west end slope in Hongshaquan Open-pit MineHAN YongProduction Technology101-10617Distribution characteristics and mechanical analysis of main stress direction of roof in steeply dipping coal seamLUO Shenghu, REN Hao, WANG TongResearch and Discussion107-11318Analysis of influencing factors of water conducted zone in close distance coal seam group based on response surface methodHAN Meng, DU Lili, GENG Xinsheng, HUANG Yang, MA Yiduo, ZHAO Wei, GAN YingjieResearch and Discussion114-12019Instability and burst-inducing mechanism of multiple key strata coal pillar system in deep fully mechanized mining faceYANG Guangyu, CHEN Xuehui, ZHOU HongweiResearch and Discussion121-12820Development Law of water conducted fissure in overburden rock during the collaborative slicing of thickness-limiting and filling in extra-thick coal seamsCHEN Haifu, FAN Limin, LI Xiaolong, WAN Xiaobo, LI PengjieResearch and Discussion129-137 