1BBR study of top-coal drawing law in longwall top-coal caving miningWANG Jia-chen, ZHANG Jin-wang487-4932An engineering case of gob-side entry retaining in one kilometer-depth soft rock roadway with high ground pressureZHANG Nong, CHEN Hong, CHEN Yao494-5013Stability control of support-surrounding rock system during fully mechanized caving face crossing abandoned roadway period502-5084Mechanical effect analysis of bolts in roadway under different anchoring lengths and its application509-5155Dynamic prediction model for mining subsidenceWANG Jun-bao, LIU Xin-rong, LIU Xiao-jun516-5216Damage model of frozen vertical shaft concrete under blasting load in Northwest ChinaSHAN Ren-liang, WANG Er-cheng, LI Hui, CAO Jian-yang, LI Zhong-li, WEI Long-fei522-5277Investigation and destruction mechanism on corrosion of concrete shaft in coal mineLIU Juan-hong, BIAN Li-bo, HE Wei, JI Hong-guang, ZHOU Wei-jin, HAN Chang-wei528-5338External water pressure computation based on heterogeneity of surrounding rock and grouting zoneHOU Xin-wen, LI Chang-suo, ZHENG Ting-ting, XING Li-ting, SUN Bei-bei534-5409Physical modeling on mining-induced energy release of crack propagation in overlying strata based on Steiner Minimum Tree ProblemXUE Dong-jie, ZHOU Hong-wei, REN Wei-guang, LI Dong-ping541-54710Experimental study on acousto-charge precursory information of coal containing gas during loading failure processLUO Hao, PAN Yi-shan, ZHAO Yang-feng, XIAO Xiao-chun, LI Zhong-hua548-55411Gas geological control characteristics of outbursts coal seam in Pingdingshan No.8 MineWEI Guo-ying, WANG Bao-jun, YAN Jiang-wei, WANG Wei, JIA Tian-rang, ZHANG Yu-zhu555-56112Physical simulation of coal and rock deformation in the process of coal seam gas extractionXU Jiang, LIU Long-rong, LIU Dong, PENG Shou-jian, LIANG Yong-qing, NIE Wen562-57013Physical simulation experiment on the evolution of gas pressure during CBM drainagePENG Shou-jian, ZHANG Chao-lin, LIANG Yong-qing, XU Jiang, LIU Dong571-57814Effect of particle size on difference of gas desorption and diffusion between soft coal and hard coalLIU Yan-wei, LIU Ming-ju579-58715Novel gas extraction borehole grouting sealing method and sealing mechanismWANG Zhen-feng, ZHOU Ying, SUN Yu-ning, WANG Yong-long588-59516Experimental study on the high temperature lean oxygen oxidation combustion characteristic parameters of coal spontaneous combustionJIN Yong-fei, GUO Jun, WEN Hu, LIU Wen-yong, WANG Kai, MA Xiao-feng596-60217Numerical and experimental study on spray characteristics with effect of induced airflow on transshipment pointCHEN Xi, GE Shao-cheng603-60818Formation mechanism of pressure air curtain and analysis of dust suppression's effects in mechanized excavation faceNIE Wen, CHENG Wei-min, ZHOU Gang609-61519Study and experiment of the system of oxygen supply and purification in the mine refuge spaceGAO Na, LIU Jian-guo, JIN Long-zhe, LI Ling, HUANG Xiao, ZHOU Li, FAN Lin-yu616-62220Characteristics of methane desorption and diffusion on coal under acoustic waveJIANG Yong-dong, SONG Xiao, CUI Yue-zhen, LUO Ya-huang, QIN Chao623-628 