Results 11 to 20 of about 3,109 (220)
Research on the Disaster-Inducing Mechanism of Coal-Gas Outburst [PDF]
Advances in Civil Engineering, 2020 In China, coal-gas outburst is seriously affecting safety of the coal mine. To improve the safety status of underground coal mining, this work investigated the evolution process and occurrence mechanism of coal-gas outburst under the coupling action of ...
Fengxiang Nie, Honglei Wang, Liming Qiu
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The Influences of Structural Deformation on Coal and Gas Outburst Types
Chemical Engineering Transactions, 2017 Geological structure is the main control factor of coal and gas outburst. Characteristics and types of coal and gas outburst usually have great different in regions of different structural deformation patterns.
Deyu Xu
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Assessment of coal and gas outburst by AHP-GT combined model
Meikuang Anquan, 2022 In order to predict the risk of coal and gas outburst more effectively, five factors are considered, including coal seam gas pressure, initial gas release velocity, coal firmness coefficient, coal failure type and coal seam porosity.
XU Enyu, LI Xijian, XUE Feng
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Experimental Study on Work of Adsorption Gas Expansion After Coal and Gas Outburst Excitation
Frontiers in Earth Science, 2022 Coal and gas outburst is an extremely complex dynamic phenomenon of mine gas, which is mainly manifested in a very short time. A large amount of coal and rock are thrown out from the coal body to the mining space and accompanied by a large volume of high-
Yi Zhao +5 more
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Study on pore characteristics of gas outburst coal in Sanjia Coal Mine of Guizhou Province
Meikuang Anquan, 2023 In order to reveal the differences in microcrystalline structure parameters and pore structure between gas outburst coal and raw coal, this paper studied the structural parameters and fractal characteristics of coal samples inside and outside outburst ...
JIAO Anjun +3 more
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Research on Temperature Variation during Coal and Gas Outbursts: Implications for Outburst Prediction in Coal Mines [PDF]
Sensors, 2020 Coal and gas outbursts are among the most severe disasters threatening the safety of coal mines around the world. They are dynamic phenomena characterized by large quantities of coal and gas ejected from working faces within a short time. Numerous researchers have conducted studies on outburst prediction, and a variety of indices have been developed to
Chaolin Zhang +3 more
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Gong-kuang zidonghua, 2020 In view of problems of complicated calculation process, strong subjectivity and low accuracy in existing prediction methods of coal and gas outburst, a principal component-Fisher discriminant model was constructed and applied to the prediction of coal ...
CHEN Lian +6 more
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Shock and Vibration, 2021 Coal and gas outburst is one of the major disasters in the safety production of coal mine. According to the mechanism of coal and gas outburst, based on the comprehensive analysis of various influencing factors of coal and gas outburst, with the ...
Bo You +5 more
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Study on causes and prevention and control measures of coal and gas outburst in Chensilou Coal Mine
Meikuang Anquan, 2021 For the problem of coal and gas outburst in Chensilou Coal Mine, based on gas geology and tectonophysics theory, the cause of “4·10” coal and gas outburst was discussed from geological factors and engineering factors by using field investigation and ...
WANG Wei, CHEN Peihong, LIU Decheng
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