1Progress, problems and prospects of prevention and control technology of mine water and reutilization in ChinaWU Qiang795-8052Origin types of CBM and their geochemical research progressJU Yi-wen, LI Qing-guang, YAN Zhi-feng, SUN Ying, BAO Yuan806-8153Overburden failure height of superhigh seam by fully mechanized caving methodZHANG Hong-wei, ZHU Zhi-jie, HUO Li-jie, CHEN Ying, HUO Bing-jie816-8214Deep rock tunnel's long large deformation mechanism and control technology under disturbance effectsHUANG Wan-peng, GAO Yan-fa, WANG Jun822-8285Numerical research on surrounding rock rockburst prevention and damping by artificial regulationXU Lian-man, PAN Yi-shan, LI Zhong-hua, LI Guo-zhen, ZENG Xiang-hua829-8356Elastoplastic analysis of spherical cavity in strain-softening rock masses based on Mohr-Coulomb criterionFENG Qiang, FAN Jin-cheng, ZHANG Qiang, JIANG Bin-song836-8407Permeability evolution model for loaded rock and numerical analysisYU Yong-jiang, ZHANG Chun-hui, ZHAO Quan-sheng, WANG Lai-gui841-8488Meso-simulation and fractal characteristics for uniaxial compression test of inhomogeneous rockLI Shou-ju, LI De, WU Li, CAO Li-juan849-8549New double pits dynamic regulating mode for stripping and mining in surface coal mineZHAO Hong-ze, ZHANG Rui-xin, LIU Xian-quan, ZHEN Xuan855-86010Geo-mechanical model experiment research of dumping site on loess basementWANG Jun, SUN Shu-wei, CHEN Chong861-86711Open pit slope deformation monitoring based on multiple-sensorsREN Yue-long, LI Ru-ren, ZHANG Xin868-87312Slope deformation analyses with space-time Kriging interpolation methodWANG Jian-min, ZHANG Jin, DENG Zeng-bing, WANG Yan-tao874-87913Simulation of gas migration in 3D goaf based on RNG k-ε turbulence modelLI Zong-xiang, GU Run-hong, ZHANG Xiao-ming, BI Qiang, WEN Yong-yu880-88514Experimental study for the influences of THF on the temperature field of methane hydration processCHEN Wen-sheng, PAN Chang-hong, LIU Chuan-hai, ZHU Fu-liang886-89015Experimental study for impact of volatile matter on spontaneous combustion characteristics of coalLIU Wei, QIN Yue-ping, YANG Xiao-bin, ZHANG Guo-yu891-89616Simulative and experimental study on impact factors on heat transfer performance of mine return air heat exchangerDU Chun-tao, ZHANG Jin-zhi, WANG Ruo-bin897-90217Experimental study on foam dust suppression during down-the-hole drilling in open-pit mineJIANG Zhong-an, JIANG Lan, CHEN Ju-shi903-90718Experimental study on the feasibility of chlorine dioxide as fracturing fluid gel-breaker for coal reservoirsGUO Hong-yu, XIA Da-ping, SU Xian-bo, MA Jun-qiang, ZHANG Shuang-bin, WANG Zhen908-91219Indoor study on acidification for enhancing the permeability of coalLI Rui, WANG Kun, WANG Yu-jian913-91720Dynamic correction of coal mine three-dimensional geological modelSUN Zhen-ming, MAO Shan-jun, QI He-gang, LI Zhong-xue, LI Mei918-924 