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Optimization of early prediction index for spontaneous combustion of gassy coal seam in Jianbei Coal Mine
WEN Hu, GUO Ximan, ZHANG Duo, CHENG Xiaojiao, WEI Gaoming, TANG Rui
2022, 49(3): 1-8. DOI: 10.19835/j.issn.1008-4495.2022.03.001
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Experimental study on mechanical properties of similar material in collapsible loess
ZHAO Bingchao, MA Yunxiang, GUO Yaxin, SUN Hao, WANG Jingbin, WANG Hailong
2022, 49(3): 9-14. DOI: 10.19835/j.issn.1008-4495.2022.03.002
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Research on catastrophe mechanism and stability control of surrounding rock of large cross section roadway under the influence of tectonic stress
CHEN Dingchao, WANG Xiangyu, ZHAO Xiangqian, LI Guanjun, ZHANG Feiteng
2022, 49(3): 15-19, 25. DOI: 10.19835/j.issn.1008-4495.2022.03.003
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Numerical simulation and experimental verification of respirable dust virtual impact separator
LI Yanzhu, WANG Jie, XIE Shuang
2022, 49(3): 20-25. DOI: 10.19835/j.issn.1008-4495.2022.03.004
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Laboratory research on early warning of collapse and instability based on rock micro-fracture evolution
YANG Gui, CHEN Shiwan, YU Qi, YANG Genlan
2022, 49(3): 26-33. DOI: 10.19835/j.issn.1008-4495.2022.03.005
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Study on preparation and characteristics of gel foam for preventing fire
LI Fanglin, ZHANG Leilin, WEI Jian
2022, 49(3): 34-38. DOI: 10.19835/j.issn.1008-4495.2022.03.006
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Influence of vibration frequency on permeability characteristics of coal containing gas and model verification
CAO Weiwei, WEN Xin, ZHANG Xiaobin, HONG Xuedi
2022, 49(3): 39-44. DOI: 10.19835/j.issn.1008-4495.2022.03.007
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Intelligent coal and gangue identification algorithm embedded in dilated convolution and batch normalization module
GUO Yongcun, ZHANG Yong, LI Fei, YANG Peng
2022, 49(3): 45-50. DOI: 10.19835/j.issn.1008-4495.2022.03.008
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Application of hydraulic flushing in hole technology in cross-cut coal uncovering of antireflection and extraction promotion in outburst coal seam
TAN Jiagui, LI Kexiang, ZHANG Maoyuan, GUO Jianzhong, SHENG Zhuwen, SUN Jing, CHEN Yong
2022, 49(3): 51-55, 61. DOI: 10.19835/j.issn.1008-4495.2022.03.009
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Research and application of mixed gas source identification technology based on stable isotope
LIANG Wenxu, LI Jiangtao, FU Wei, ZHANG Yang
2022, 49(3): 56-61. DOI: 10.19835/j.issn.1008-4495.2022.03.010
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Application of "solid, liquid and gas" trinity fire prevention and extinguishing technology in gassy environment
LU Hao, HE Qilin, LI Jinliang, LU Wei
2022, 49(3): 62-66. DOI: 10.19835/j.issn.1008-4495.2022.03.011
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Evaluation and classification of open pit slope and slope angle optimization by MSARMA method under blasting vibration condition
TAO Zhigang, LUO Senlin, MING Wei, CAO Hui, YU Haoran, HE Manchao
2022, 49(3): 67-75, 83. DOI: 10.19835/j.issn.1008-4495.2022.03.012
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Evolution of gas transportation storage area and directional borehole drainage technology in ultra-thick coal seam with fully mechanized caving mining
ZHANG Wenqi, ZHANG Xingwen, SUN Liuyong, WEI Zongyong, SHUANG Haiqing, XU Peiyun, LIN Haifei
2022, 49(3): 76-83. DOI: 10.19835/j.issn.1008-4495.2022.03.013
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Determination of sensitive index for prediction of coal outburst risk in Chiyu Coal Mine
ZHANG Yilong, WU Yan, FANG Shuhao, LIAO Qi, YANG Yinchao, ZHU Hongqing
2022, 49(3): 84-87, 93. DOI: 10.19835/j.issn.1008-4495.2022.03.014
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Technology and engineering practice of borehole cavitation inducing outburst based on coal and gas outburst energy theory
CEN Peishan, TIAN Kunyun, WEI Erjian, LIU Song
2022, 49(3): 88-93. DOI: 10.19835/j.issn.1008-4495.2022.03.015
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Study on the development height of "two zones" of coal seam roof based on parallel electric method
CAO Shiyou, DONG Fangying, CHENG Wenju, XIE Ruibin, SHI Pengcheng
2022, 49(3): 94-100. DOI: 10.19835/j.issn.1008-4495.2022.03.016
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Antireflection technology of hydraulic fracturing of low permeability and gassy coal seam in complex tectonic belt
SHI Xiaohong, ZHAO Lipeng, LI Juntang, WANG Rujiang, WU Caifang
2022, 49(3): 101-106. DOI: 10.19835/j.issn.1008-4495.2022.03.017
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Study on transient electromagnetic response law of geological anomaly in Xishan mining area
LIU Zhiming
2022, 49(3): 107-117, 117. DOI: 10.19835/j.issn.1008-4495.2022.03.018
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Detection of hydrogen sulfide in coal mine based on laser absorption spectrometry
HE An, CHEN Yaxi, GUO Jingyuan, HU Xuejiao, JIANG Haifeng
2022, 49(3): 113-117. DOI: 10.19835/j.issn.1008-4495.2022.03.019
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Comprehensive evaluation of environmental pollution control effect in coal mine subsidence area —taking Dongtan mining area of Yanzhou Mining Industry as an example
GUO Pengyuan, HAN Xiuyan
2022, 49(3): 118-124, 130. DOI: 10.19835/j.issn.1008-4495.2022.03.020
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Refined control of gas extraction drilling based on data driven
GUO Heng, WANG Hao, CHENG Xiaoyang
2022, 49(3): 125-130. DOI: 10.19835/j.issn.1008-4495.2022.03.021
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Research status of borehole instability characteristics and control technology for gas extraction in soft coal seam
XU Chaoping, LI He, LU Yi, LU Jiexin, SHI Shiliang
2022, 49(3): 131-135. DOI: 10.19835/j.issn.1008-4495.2022.03.022
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Study on causes of coal mine roof accidents based on Bayesian network
QIN Yan, SHENG Wu
2022, 49(3): 136-142. DOI: 10.19835/j.issn.1008-4495.2022.03.023
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