1Specification, classification and grading evaluation index for smart longwall mining faceWANG Guofa, XU Yajun, MENG Xiangjun, FAN Jingdao, WU Qunying, REN Huaiwei, PANG Yihui, DU Yibo, ZHAO Guorui, LI Mingzhong, MA Ying, ZHANG Jinhu3033-30442Cataclastic regenerated roof and instability mechanism of support in fully mechanized mining face of steeply dipping seamYANG Ke, CHI Xiaolou, LIU Qinjie, LIU Wenjie, LIU Shuai3045-30533Investigating on the mechanism and prevention of rock burst induced by high intensity mining of drainage area in deep minesWANG Bo, JIANG Fuxing, ZHU Sitao, ZHANG Xiufeng, SHANG Xiaoguang, GU Yingshi, WU Zhen3054-30644Experimental study on anchoring mechanism of double persistent jointed rockZHAO Tongbin, ZOU Jianchao, FU Zhiyong, YU Fenghai3065-30725Numerical simulation of mixing process of resin grout and optimization experiment of high-efficiency mixing componentLIU Shaowei, HE Deyin, FU Mengxiong, ZHANG Weiguang3073-30866Strength calculation method of three-level energy absorption support in rockburst roadways for coal minesWANG Aiwen, PAN Yishan, QI Qingxin, XU Lianman, GAO Mingshi, LIU Jinhai, DAI Lianpeng, XIAO Yonghui3087-30957Mechanical characteristics and field application of flexible bolt under long-term loadXIE Zhengzheng, ZHANG Nong, WANG Peng, WANG Mingkun3096-31068Comparative analysis on dynamic tensile mechanical properties of three kinds of rocksYANG Renshu, LI Weiyu, LI Yongliang, FANG Shizheng, ZHU Ye3107-31189Analysis of early damage characteristics and late mechanical behavior of cement specimensXIN Yajun, L(U) Xin, JI Hongying, HAO Haichun, DONG Shuai3119-313010Method of energy evolution of rock under uniaxial compression testLIU Zhixi, WANG Wei, LUO Ji'an, MIAO Guanghong3131-313911True triaxial test study on mechanical properties of deep rock mass in different stress pathsRONG Haoyu, LI Guichen, ZHAO Guangming, LIANG Dongxu, LIANG Juli3140-314912Method for arranging the working line of internal waste dump in surface coal mining based on maximizing utilizationWANG Dong, LI Guanghe, CAO Lanzhu, BAI Runcai, SONG Ziling, ZHAO Jingchang3150-315613Unsupervised machine learning model for resistance variant fault diagnosis of mine ventilation system with composite featuresLIU Jian, YIN Changsheng, HUANG De, LIU Li, DENG Lijun3157-316514Dynamic response characteristics and failure mechanism of rectangular wind window under impact loadLI Feng, HE Zijian, ZHANG Yue, SHA Fangfei, DONG Xinhui, LIU Yao3166-317515Mechanism and mathematical model of the continuous process of gas jet breaking coalSONG Xin, WANG Gongda, MA Heng, GONG Haoran, CUI Cong3176-318516Mechanism of "hole-protecting and pressure relief" drilling in soft coal seamWANG Yonglong, LU Yunfei, WANG Zhenfeng, SUN Yuning, LIU Chun, SONG Weibin3186-319417Coalbed methane fracturing effectiveness test using bore-hole transient electromagnetic methodFAN Tao3195-320718Evaluation and improvement of high-pressure isothermal adsorption model for methane in shaleDONG Yintao, JU Binshan, LIU Nannan3208-321819Pre-grouting time-varying model and engineering application in shallow buried sand mudstone interbed under riversLI Ji, WU Xin, ZHAO Hongxia, LI Guohui, WANG Xuemei3219-322520Development of large-scale simulation experiment system for dynamic water rapid sealing in flowing water roadwayDONG Shuning, YANG Zhibin, ZHU Mingcheng, ZHANG Wenzhong, SHI Lei, MOU Lin3226-3235 