1Status quo of Xinjiang coal industry development and economic analysis of Xinjiang coal outbound transportationSUN Baodong, NI Wei, HAO Xiuqiang, LI Huiqiang, ZHANG BaoDesign Technology1-62Mine areas planning environmental impact assessment for underground water protection and orderly developmentZHOU JinyuDesign Technology7-133Working face layout of protected layers of contiguous seams at rock burst minesXIE Jiahao, HAN Gang, YAO Rui, CAO Jinglong, ZHAO Qian, LIU HuDesign Technology14-214Rational parameters of fully mechanized top-coal caving in extra-thick coal seamsLI Zhengjie, CHEN Wanhui, ZHOU Peng, LIU XuyuDesign Technology22-275Design of the super-large intelligent main transportation system in Xiaobaodang No.1 MineZHANG Guanglong, SHI ZhihongDesign Technology28-346Design of intelligent construction plan for storage and transportation center of Shengli Energy CompanyCHEN YuDesign Technology35-407Design of super-high large main shaft towerZHANG BolinDesign Technology41-478Deep flotation process for coal slime in Xinjulong Coal Preparation PlantMA Xintao, WAN Guangxian, WANG FengqiDesign Technology48-529Open TBM tunneling technology and measures for fractured strata in super-long inclines at western China coal minesLIU Quanhui, WANG Qingcang, SONG Zhaoyang, ZHAO Yichao, HE Qi, ZHANG Tongzhao, LIU JinyuConstruction Technology53-5810Reinforcement and control technology of surrounding rock in gob-side entry retaining with coal gangue concreteZHAO JinwangConstruction Technology59-6611Deformation characteristics and control technology of surrounding rocks of coal and mudstone roadways in deep and syncline zoneLI Shengya, YAN Hong, PEI Hui, MENG Hui, WU Lin, DENG FeiConstruction Technology67-7212Experiment on dynamic mechanical properties of mine boltsSHEN Wei, FU Yukai, ZHAO Yubao, SHAN Shichang, NIU Qinghe, ZHOU PengheConstruction Technology73-7813Control of toxic and harmful gases during blasting operations at Tunbao Coal MineLI Fan, HU Guojian, WANG Xuetao, WU Yuhai, WEI XiaoConstruction Technology79-8314Bearing characteristics and rational width of the road-side infills in gob-side entry retaining at inclined coal seamsZHANG Guohua, LI Yubo, LI Zibo, QIN Tao, LIU Yang, JING Ke, LI JiazhenProduction Technology84-9115Application of remote water injection system with intelligent grading for fire areas at STM32 coalfieldGUO Fengqi, SHI Bobo, QI HainingProduction Technology92-9716Research on clarity technology for working face monitoring videosZHANG Jie, GUO Jianjun, WANG Yonggang, GAO Jindong, CAO Min, FANG Yunfeng, YU Jibin, GAO LiangliangProduction Technology98-10417Application of highwall mining system in Hongshaquan Open-pit MineYANG Xiaopeng, MA Ning, ZHANG Zhijun, MA Chungang, WANG Hongli, MA LiProduction Technology105-10918Change rule of static mechanical response of coal and rock in stope under the influence of structural transientLUO Shenghu, HAN Haoqiang, WU Yongping, XIE Panshi, GAO Xicai, WANG Tong, TIAN Chengyang, YAN Zhuangzhuang, LI Zhilin, YIN JianhuiResearch and Discussion110-11919Damage to the support system by relief blasting in deep rock burst roadwaysZHANG HongweiResearch and Discussion120-12620Roof displacement prediction of coal roadways based on random forest algorithm and the applica-tionCHEN Pan, MA Xinmin, XIANG Junjie, CHEN Liying, ZHAI Zhonghua, YANG WenqingResearch and Discussion127-135 