1Micro-electrical characteristics of coals with different metamorphic gradeHE Xueqiu, SONG Dazhao, LIU Xianfeng, WANG Weixiang, LI Zhenlei, LIU Huifang2367-23752Propagating mechanism of top-coal fracture in longwall top-coal caving miningWANG Jiachen, WANG Zhaohui2376-23883Damage and failure mechanism of anchored surrounding rock with impact loadingWU Yongzheng, CHEN Jinyu, JIAO Jiankang, ZHENG Yangfa, HE Jie2389-23974Mechanism of the instability of strata structure in far field for super-thick coal seam miningYU Bin, ZHU Weibing, LI Zhu, GAO Rui, LIU Jinrong2398-24075Safety factor method for stability of inclined pillars under Mohr-Coulomb criterionLUO Binyu, YE Yicheng, LI Yufei, LUO Jiayuan, CHEN Hu2408-24156Disturbance behavior of open-pit mine on environment and its control technologyTIAN Hui, WANG Zhongxin2416-24217Optimization on bench parameters of casting blast based on multi-objective programmingXIAO Shuangshuang, DING Xiaohua, MA Li2422-24318Test and estimation on the shear parameters of structural plane from Jincheng anthracite coalZHAO Ke, KANG Hongpu, WANG Xiaoqing, SUN Zhiyong2432-24379Strength characteristics and elastic modulus evolution of frozen gray sandstone under cyclic loadingLI Tao, MA Yongjun, LIU Bo, SHENG Hailong, HE Peng2438-244310Morphology and failure mechanism of the shear fracture surface of weakly cemented sandstone with water saturationSONG Zhaoyang, JI Hongguang, LIU Zhiqiang, TAN Jie2444-245111Water absorption and strength softening law of chlorite amphibolite in Nanfen open-pit mineZHANG Xiulian, HAN Zongfang, HAN Wenshuai, HE Manchao, TAO Zhigang, GU Ming2452-246012Application on bearing performance of concrete filled steel tube arch with slip endsSHAN Renliang, ZHANG Xiaonan, ZHANG Lei, BAI Yao, ZHANG Haochen, SUN Song, CHEN Yuxiang2461-246813Simulation experimental research on damage accumulation law of new concrete under multiple blasting vibration loadsCHU Huaibao, YANG Xiaolin, YE Hongyu, WU Libao, YU Yongqiang2469-247514Molecular simulation of adsorption thermodynamics of multicomponent gas in coalLI Shugang, BAI Yang, LIN Haifei, YAN Min, LONG Hang2476-248315Characteristics of coal deformation during its adsorption of He, CH4 and CO2ZHANG Zunguo, QI Qingjie, CAO Shugang, GUO Ping2484-249016Surrounding rock's failure characteristic and rational location of floor gas drainage roadway above deep confined waterLI Yongen, MA Nianjie, MA Ji, ZHANG Hong, HAO Zhen2491-250017Unloading damage evolution and drainage verification of gas flow channel in different mining heightsXU Yusheng, LI Chunyuan, ZHANG Yong, WANG Hongbo, WEI Wensheng2501-250918Comparison analysis on the rock breakage pressure induced by abrasive water jets and abrasive gas jetsLIU Yong, CHEN Changjiang, WEI Jianping, ZHANG Juan2510-251719Effect of soaking on coal oxidation activation energy and thermal effectQIAO Ling, DENG Cunbao, ZHANG Xun, WANG Xuefeng, DAI Fengwei2518-252420Analysis of coal reservoir characteristics in the Qinnan-East block and its spacing optimization of CBM development well networksMENG Zhaoping, ZHANG Kun, YANG Jiaosheng, LEI Junhuan, WANG Yuheng2525-2533 