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Types, monitoring and prevention technology system of roof disasters in mining face in China
XU Gang, HUANG Zhizeng, FAN Zhizhong, LU Zhenlong, ZHANG Zhen, XUE Jisheng, WANG Chuanpeng, WANG Yuanjie, CHEN Fabing, LI Yan, LIU Qianjin, LI Zhengjie, SU Bo, LI Chunrui, ZHANG Chunhui
2021, 49(2): 1-11. DOI: 10.13199/j.cnki.cst.2021.02.001
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Catastrophe mechanism and prevention and control technology on soft coal mining with large inclination angle under thick and hard roof
YANG Ke, LIU Wenjie, LI Zhihua, LIU Qinjie, CHI Xiaolou, WEI Zhen
2021, 49(2): 12-20. DOI: 10.13199/j.cnki.cst.2021.02.002
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New technology of collaborative work between face mining and bracket withdrawal
WANG Zhiqiang, WANG Shushuai, SU Zehua
2021, 49(2): 21-29. DOI: 10.13199/j.cnki.cst.2021.02.003
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Surrounding rock control technology by pressure relief stress transfer reinforce in three-soft coal seam under strong dynamic pressure
XU Youlin, LIU Decheng, WU Xukun, CAO Zuoyong, GAO Yongxiong, ZHANG Rensong, ZHOU Ze, ZHOU Bo, XU Mengtang, ZHANG Hui
2021, 49(2): 30-37. DOI: 10.13199/j.cnki.cst.2021.02.004
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Study on high-energy strengthening anchor mechanism of tension pre-tightening bolt support system
WANG Xiangyu, ZHANG Weidong, WANG Guanghui, WU Bowen, LI Junchen, ZHENG Zhe
2021, 49(2): 38-44. DOI: 10.13199/j.cnki.cst.2021.02.005
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Study on surrounding rock control technology for mining roadway of ultra-deep protective layer
ZHANG Defei, ZHANG Qinglin, ZHANG Hongwei, LU Zhiguo, ZHENG Yangfa, FAN Mingjian
2021, 49(2): 45-51. DOI: 10.13199/j.cnki.cst.2021.02.006
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Study on rational width of protective coal pillar for district dip in rock burst mine
LIU Jinhai, ZHENG Xuejun, LIU Hu, WANG Yong, LU Xutao, WANG Weibin
2021, 49(2): 52-60. DOI: 10.13199/j.cnki.cst.2021.02.007
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Experimental study on red clay paste backfilling material and its physical characteristics
YU Weijian, WAN Xing, LIU Fangfang, WANG Zhi
2021, 49(2): 61-68. DOI: 10.13199/j.cnki.cst.2021.02.008
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Research on evolution characteristics of early-age temperature-stress field of inner lining at deep frozen shaft
ZHANG Jiwei, LI Fangzheng, YU Xinhao, DING Hang, KONG Linghui
2021, 49(2): 69-76. DOI: 10.13199/j.cnki.cst.2021.02.009
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Study on optimization of treatment methods for inclined basement of inner dump slope in anticline area of open-pit mine
ZHAO Hongze, SHAO Zhiben, DU Hairui, DENG Youran
2021, 49(2): 77-84. DOI: 10.13199/j.cnki.cst.2021.02.010
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Molecular dynamics analysis of influencing factors of CH4 diffusion in coal
TANG Jupeng, QIU Yuman, MA Yuan
2021, 49(2): 85-92. DOI: 10.13199/j.cnki.cst.2021.02.011
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Experimental study on safety full-scale of tunnel fire disaster under different blocking conditions
TIAN Xiangliang, ZHONG Maohua, LIU Chang, LI Quanming
2021, 49(2): 93-101. DOI: 10.13199/j.cnki.cst.2021.02.012
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Causes of oxygen deficiency in upper corners of working face in shallow-buried and short-distance coal seams and comprehensive prevention technology
PAN Rongkun, LIU Wei, LI Huaizhen, CHAO Jiangkun, WANG Liang
2021, 49(2): 102-108. DOI: 10.13199/j.cnki.cst.2021.02.013
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Study on gas drainage scope in surface well group under the influence of coal mining area
SUN Haitao, FU Junhui, ZHANG Zhigang, HU Jun
2021, 49(2): 109-114. DOI: 10.13199/j.cnki.cst.2021.02.014
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Study on permeability model under the influence of gas pressure and stress on fracture
JIANG Changbao, YU Tang, DUAN Minke, YIN Wenming
2021, 49(2): 115-121. DOI: 10.13199/j.cnki.cst.2021.02.015
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High efficiency simultaneous extraction technology system of coal and gas in close-distance seam group：taking shaqu mining area in luliang, shanxi province as an example
CHENG Zhiheng, CHEN Liang, ZOU quanle, WANG Hongbing, PU Shijiang, QI Qingxin, LIANG Chunhao, FAN Shaowu, SU Shilong, YAN Dahe
2021, 49(2): 122-137. DOI: 10.13199/j.cnki.cst.2021.02.016
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Study on identify sources of CO and reasons of concentration overrun in underground coal mine：a case study of Chuancaogedan Coal Mine in Inner Mongolia
ZHOU Xiaozhi, SANG Shuxun, GU Dezhong, YU Haiqiu, ZHANG Zewen
2021, 49(2): 138-144. DOI: 10.13199/j.cnki.cst.2021.02.017
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Research on synergistic effect of inert gas on methane explosion suppression performance of KHCO3 cold aerosol
WANG Yan, LIN Sen, LI Zhong, LI Lu, WEN Xiaoping, JI Wentao
2021, 49(2): 145-152. DOI: 10.13199/j.cnki.cst.2021.02.018
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Research progress on 3D visualization technology for intelligent mine
LI Mei, JIANG Zhan, JIANG Longfei, SUN Zhenming
2021, 49(2): 153-162. DOI: 10.13199/j.cnki.cst.2021.02.019
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Research of high efficient crushing methods for coal rock
ZHANG Qiang, WANG Cong, TIAN Ying
2021, 49(2): 163-176. DOI: 10.13199/j.cnki.cst.2021.02.020
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Study on drilling dynamic characteristics and stratum information identification of anchor hole intypical coal-bearing stratum
ZHANG Youzhen, ZHANG Ning, LIU Pu, JU Pei, HE Binjie
2021, 49(2): 177-185. DOI: 10.13199/j.cnki.cst.2021.02.021
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Virtual simulation method of hydraulic support motion considering pin shaft clearance
WANG Xuewen, CUI Tao, XIE Jiacheng, SHEN Hongda, LIU Yimeng, WANG Binbin
2021, 49(2): 186-193. DOI: 10.13199/j.cnki.cst.2021.02.022
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Study on evolution features of high level overburden separation layer and precursor information of water inrush during coal mining
QIAO Wei, ZHAO Shilong, LI Liangang, GAN Shengfeng, JIANG Chuanwen, LIU Mengnan, ZHANG Lei, DUAN Yulu
2021, 49(2): 194-205. DOI: 10.13199/j.cnki.cst.2021.02.023
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Study on laws of water inrush and sand burst migration based on LBM-DEM coupling method
PU Hai, GUO Shiru, LIU Dejun, XU Junce, WANG Jian
2021, 49(2): 206-216. DOI: 10.13199/j.cnki.cst.2021.02.024
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Technological yesearch on water source identiftcation of coastal coalmines based on PCA-RA
CHEN Shaojie, LIU Jiutan, WANG Feng, ZHOU Jingkui, TANG Pengfei, GAO Zongjun
2021, 49(2): 217-225. DOI: 10.13199/j.cnki.cst.2021.02.025
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Study on fractal characteristics of coal and rock pore fissure structure and permeability model
LI Bobo, WANG Bin, YANG Kang, REN Chonghong, YUAN Mei, XU Jiang
2021, 49(2): 226-231. DOI: 10.13199/j.cnki.cst.2021.02.026
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Tomographic imaging technology of front side of roadway based on excavation source of roadheader
WANG Ji, QIN Si, LU Bin, WU Hai, ZHAO Pengpeng
2021, 49(2): 232-237. DOI: 10.13199/j.cnki.cst.2021.02.027
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Graphene produced by thermally-altered coal:chemical structure evolution
WANG Shaoqing, SHA Jidun, ZHANG Hao, DONG Zeyu, WANG Kaixuan
2021, 49(2): 238-244. DOI: 10.13199/j.cnki.cst.2021.02.028
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Study on model construction and optimization of molecular structure
ZHANG Zhijun, WANG Lu, LI Hao
2021, 49(2): 245-253. DOI: 10.13199/j.cnki.cst.2021.02.029
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Research progress on preparation and development of coal-based general-purpose carbon fiber
LIU Jinchang, YANG Shuai, XIE Qiang, LIANG Dingcheng
2021, 49(2): 254-262. DOI: 10.13199/j.cnki.cst.2021.02.030
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