1Space-time optimization of BWE continuous system shifting arrangementMA Jing-jia, ZHANG Ling-tongsDesign Technology1-52Reasonable coal pillar width in deep high-stress working face with double laneTIAN Jian-she, JIA Jin-dui, ZHU Hao-yu, LIAN Kai-yuanDesign Technology6-103Parameter modeling and automatic assembly of key components of vertical shaft equipmentZOU Yuan-chun, LU Xin-ming, LI Jin-long, ZHANG Shan-bingDesign Technology11-154Container auxiliary transportation system of Bayangol Coal MineZHANG Ming-peng, CAO Lian-minDesign Technology16-195A self-moving backfilling and slurry retaining equipment for coal mining under slopes in open-pit coal mineCHEN Yun-hua, GUO Zhi-hao, DONG HuiDesign Technology20-226Information classification and coding standard of intelligent open-pit mine engineering based on BIMWANG Zhong-xin, QIAO Xin, XU Zi-qiang, SUN Xin, QI Zhen-peng, GAO Qun, ZHAO MingDesign Technology23-277Dosing system for coal slime water concentration process based on MOPSOQIN Shao-jie, WANG Ran-feng, FU xiangDesign Technology28-328Packaged technology of non-pillar gob-side entry retaining in Xiangshan MineWANG Su-jian, WANG Xiang-yu, LIU Xiao-xian, QIAN Wan-xue, WEI Bao-ningConstruction Technology33-389Sequent-working and pressure-scattering roadway supporting in stress concentration area of lower coal seam in close seams miningMI Wan-sheng, SHI Peng-xiangConstruction Technology39-4410Application of directional drilling in advance exploration of floor water hazardYUAN Zi-hang, YE Gen-fei, ZHAO Yong-zhe, SUN YangConstruction Technology45-4811Application of high-efficiency hole forming in large diameter directional drillingCHEN Qin-dong, ZHAO Jian-guo, YANG Dong-dongConstruction Technology49-5512Model experiment on frost-heave pressure in freeze sinking of deep thick alluviumPENG Fei, WANG Zhi-yangConstruction Technology56-6113Potential tapping of suspected regional reserves in Fanjiacun Coal MineWANG Xin-minProduction Technology62-6514Hazard analysis and prevention of rock burst in the process of stoping and resuming mining of typical working faces in Uxin Banner of Inner MongoliaLIU Yi-tao, WANG Yan-liang, QU Xiao-cheng, LIU Wen-tao, WEI Quan-de, DONG Ya-dong, ZHANG Song-lin, HAN LiangProduction Technology66-7015Mine earthquake control through weakening the low key stratum in Dongtan Coal MineCAO Huai-xuan, XIE Hua-dong, YANG Huan, WANG Fu-gang, YAN Xian-yang, ZHANG JianProduction Technology71-7516Application of super-high pressure hydraulic slotting for permeability enhancing in hard coal seam of Zhaogu No. 2 MineLU Zhan-jin, LI Sheng-zhouProduction Technology76-8017Application of treatment device for verification instruments of drilling collapse in mining faceDING De-cai, LIU Guo-qingProduction Technology81-8318Application of UAV aerial survey in large open pit monitoringQIU Ya-hui, SHEN Hong-mei, FAN Dong-li, WANG Shi-bo, LANG BoProduction Technology84-8719Representative quantification method of coal primary sampling based on discrete coefficientLYU ShunProduction Technology88-9220Elastoplastic analysis of surrounding rock deformation zones with creepage and intermediate principal stressJING Lai-wang, CHEN Fei-yu, JING Wei, HAO Peng-wei, ZHAO XiangResearch and Discussion93-98 