1Coal gangue intelligent separation and backfilling technology and its engineering application in underground coal mineZHANG Jixiong, TU Shihao, CAO Yijun, TAN Yunliang, XIN Hengqi, PANG JiluSpecial Column of National Key R&D Program (No. 2018YFC0604700)417-4302Research of synergetic mining for mining,dressing and backfilling integrated deep mines with complicated systemsTU Shihao, HAO Dingyi, MIAO Kaijun, LIU Xun, LI WenlongSpecial Column of National Key R&D Program (No. 2018YFC0604700)431-4413Effect of metal cations on the electrostatic interaction between hydrophilic particlesLIU Min, CAO Yijun, LUO Jiaqian, FAN Zhiwei, LIU Xinyu, LI Ming, XING Yaowen, GUI XiahuiSpecial Column of National Key R&D Program (No. 2018YFC0604700)442-4484Influence of boltfatigue resistance on the surrounding rock stability of deep chamber disturbed by dynamic loadsLIU Xuesheng, WU Yunhao, TAN Yunliang, WANG Honglei, PUREV Lkhamsuren, LI XuebinSpecial Column of National Key R&D Program (No. 2018YFC0604700)449-4585Experimental research on influence of pre-tension on dynamic load impact resistance of anchorage bodyLI Zhuang, WANG Jun, NING Jianguo, QIU Pengqi, YANG Shuhao, SHEN ZhenSpecial Column of National Key R&D Program (No. 2018YFC0604700)459-4686Structural characteristics and compact layout method of underground coal preparation chambersZHU Cheng, YUAN Yong, CHEN Zhongshun, WANG Wenmiao, SHEN Haisheng, XU ZheyangSpecial Column of National Key R&D Program (No. 2018YFC0604700)469-4787Research on weakening law and quantitative characterization of strata behavior in solid filling miningZHANG Qiang, YANG Kang, ZHANG Hao, XIA Kangqi, ZHANG QiSpecial Column of National Key R&D Program (No. 2018YFC0604700)479-4888Viscoelastic effect of deep gangue backfill body and time-dependent deformation characteristics of roof in deep miningHUANG Peng, ZHANG Jixiong, GUO Yuming, LI Meng, ZHANG QiSpecial Column of National Key R&D Program (No. 2018YFC0604700)489-4979Influence of mining speed and filling ratio on energy accumulation and release of thick and hard roof in deep backfilling working faceLI Wenlong, TU Shihao, HAO Dingyi, LIU Xun, MIAO KaijunSpecial Column of National Key R&D Program (No. 2018YFC0604700)498-50610Automatic acquisition method and quantitative analysis of 3D shape parameters of gangue blockLI Junmeng, HUANG Yanli, PU Hai, GUO Yachao, GAO Huadong, ZHANG Weiguang, ZHANG JunminSpecial Column of National Key R&D Program (No. 2018YFC0604700)507-51411Research on properties of sodium silicate modified polyurethane as binder for gangueYUE Xiaoming, GU Ziyi, XIAO Cuicui, HE Hu, PENG Cheng, GE Zanpeng, OU YANG ShenyangSpecial Column of National Key R&D Program (No. 2018YFC0604700)515-52212Study of the leaching and solidification mechanism of heavy metals from gangue-based cemented paste backfilling materialsLIU Hengfeng, ZHANG Jixiong, ZHOU Nan, SHEN Lingling, ZHANG Luobin, ZHU Cunli, WANG LiSpecial Column of National Key R&D Program (No. 2018YFC0604700)523-53113Experimental study of stability of paste backfill under chloride erosion environmentDU Zhaowen, CHEN Shaojie, YIN Dawei, YAO Dehao, ZHANG ZhenSpecial Column of National Key R&D Program (No. 2018YFC0604700)532-538,54714Preparation and microstructure of coal gangue-based geopolymerZHANG Weiqing, CHAI Jun, FENG Xiujuan, DONG Chaowei, SUN Qiang, LI Meng, WANG LiSpecial Column of National Key R&D Program (No. 2018YFC0604700)539-54715Design and application of mining-separating-backfilling system for mining ecological and environmental protectionZHANG Hao, ZHANG Qiang, ZUO Xiao, WU Zhongya, FAN Wenchang, LIU Hongjun, TIAN XiuguoSpecial Column of National Key R&D Program (No. 2018YFC0604700)548-55716Study of mechanical properties and acoustic emission characteristics of coal measures under water-rock interactionYAO Qiangling, WANG Weinan, LI Xuehua, TANG Chuanjin, XU Qiang, YU LiqiangMining Engineering558-56917Experimental study of influencing factors of electrical parameters of different kinds of coal massLI Xiangchun, ZHANG Qi, AN Zhenxing, ZHANG FanMining Engineering570-57818Influence of pre-splitting crack width on crack propagation under blast loadingSU Hong, GONG Yue, YANG Renshu, FU XiaoqiangMining Engineering579-58619Vulnerability evaluation and application of floor water inrush in mining area with multiple coal seams and single aquifer based on variable weightLIU Shouqiang, WU Qiang, LI Zhe, ZENG Yifan, YUAN Qiudong, YU YunleiMining Engineering587-59720Stability study of the double-arch structure formed by short-distance discontinuous mining in shallow strataZHANG Jie, WANG Bin, BAI Wenyong, CHEN Cheng, ZHANG JianchenMining Engineering598-605 