1Influence of hydraulic fracturing of strong roof on mining-induced stress- insight from numerical simulationGAO Fuqiang1-92Investigation of the characteristics of hydraulic fracture initiation by using maximum tangential stress criterionZHAO Kaikai, JIANG Pengfei, FENG Yanjun, SUN Xiaodong, CHENG Lixing, ZHENG Jianwei10-183Three-dimensional simulation of soft overburden "two-zone" height due to high-intensity mining in Shajihai Coal MineZHANG Gangyan, YU Qiuge, ZHAO Gaobo19-264Evolution rule of overlying strata structure in repeat mining of shallow close distance seams based on Schwarz alternating procedureLI Lei, LI Shoujun27-375Deformation and failure of surrounding rock of a roadway subjected to mining-induced stressesGUO Lianglin, ZHOU Dawei, ZHANG Demin, ZHOU Baohui38-456Dynamic response relationship between roof movement and deformation of roadway in fully mechanized caving face of deep and thick coal seamBU Tengteng46-547Study and application of an advanced support system for thin and medium-thick coal seams with composite roofGAO Xicai, WANG Qi, FAN Kai, XIAO Qianchang, HU Bin, WANG Canhua, LI Liang55-628Mechanism of support crushing and determination of support resistance for water and sand collapse working faces under pressure-resistant sand-prevention coal and rock pillarsXU Yanchun, ZHAO Lin, REN Zhixiang, HAO Xianjie, ZHANG Ermeng63-719Research on advanced detection technology of roadway excavation based on vibration wave CT inversionGUI Bing, LI Chenghai, LIU Tijun, WANG Jiuhong, ZHENG Youlei, GONG Siyuan72-7910Mechanical properties and failure mechanism of combined bodies with different coal-rock ratios and combinationsCHEN Guangbo, LI Tan, YANG Lei, ZHANG Guohua, LI Jianwei, DONG Hongjuan80-9011Research on anchoring effect of jointed rock mass based on 3D printing and digital speckle technologyXUE Fei, LIU Xiaoxia, WANG Tianzuo91-9912FDAHP-TOPSIS model for evaluation of the water inrush risk from coal floorsWANG Jingxue, LIU Haisong, QIU Mei100-11113Boltzmann function prediction model coupled with the correction of inflection point offset and its parameter inversion methodJIANG Kegui, WANG Lei, CHI Shenshen, WEI Tao, JIANG Chuang112-11914Experimental study on grouting diffusion of gangue solid filling bulk materialsQIE Lei, SHI Yannan, LIU Jiangong120-129