1Selection of technical parameters for blasting caving with hard roof in fully-mechanized caving faceDING Guang-binQuestion Discussion1-42Calculation study of submerged water-filled water storage space in eastern minesLIU Huan-xinQuestion Discussion5-9,143Research on the influence of the drilling arrangement through the layer on the pressure relief range of hydraulic punchingHUANG YongQuestion Discussion10-144Exploration on prolonging the service life of the cutter head of the coal mine shield machine(TBM)during the excavation periodZAN Zhi-huaQuestion Discussion15-195Study on improving the affinity between solution and coal dust by surfactantLI Xin, YAO Hai-feiQuestion Discussion20-25,306Research on roof leakage technology in fully-mechanized mining face before passing through fault frameZHANG Yun-tianQuestion Discussion26-307Research on surface pre-splitting technology to control the problem of strong mineral pressure in extra-thick coal seam miningLU Jian-zhongQuestion Discussion31-358Study on seismic activity law of coordinated layered mining under huge thick overlying rockXIE Qing-dian, WANG Kang-kang, CHAI Yan-jiang, GONG Si-yuan, GE QingExperimental Study36-429Research on spontaneous combustion characteristics of highly metamorphic bituminous coal under the condition of secondary oxidation:taking Pingdingshan Mining No.6 Mine as an exampleLIU Fu-jun, ZHOU Si-boExperimental Study43-4710Research on intelligent management system of coal transportationWANG Xian-hongExperimental Study48-5211Intelligent decision-making of working face coal mining method based on grey relation and genetic algorithmQI Yu-hao, RUAN Qi, JIN Feng-tian, ZHENG Can, KOU Ming-shi, MENG Xiang-jun, YIN Ming-huExperimental Study53-5812Experimental study on acoustic and electrical signals during failure of loaded coal mass under coal and rock outburstSHAO Zhu-juan, DENG Xiao-gang, ZHAO Ren-le, LIU Chang-fuExperimental Study59-61,6613Research on inspection system of long-distance belt conveyorGAO Zhi-minExperimental Study62-6614Destruction characteristics of roadway in layered mining and control technology of surrounding rockWANG Jie, SHANG Yan-huiExperimental Study67-70,7415Research on safety distance of roadway development in goafSUN Zhi-mengCoal Safety71-7416Analysis and treatment of multi-coal seam goaf under the proposed buildingMA Zhuang, ZHU Guang-an, JIANG Qi-pengCoal Safety75-7917Research on the safety of boundary waterproof coal pillar retention by water accumulation in goaf of adjacent minesWU Yu-liang, LIU Yan-xin, WU Yu-shi, YAN Zeng-huiCoal Safety80-82,9318Analysis on the comprehensive prevention and control process of water disaster in Xinlu Coal MineLI Yan-junCoal Safety83-86,9319Risk assessment of water inrush from roof of 11-2 coal seam in Xinji Mining Area based on AHP and GISDING Hai, ZHAN Run, LI Hong-ze, SUN Gui, CHEN Xin-hong, GU Cheng-chuanCoal Safety87-9320Comprehensive fire protection technology in goaf of coal mining face with "Y"type ventilationZHANG Yun-jieCoal Safety94-96 