MECHANISM OF THE ASTRO-TIDAL-TRIGGERING TO
COAL AND GAS OUTBURST
LUO Yong1,TAO Wenbin1,MA Haifeng2,TAO Jie3,HOU Junling3
(1. School of Energy and Safety,Anhui University of Science and Technology,Huainan,Anhui 232001,China;
2. Faculty of Resources and Safety Engineering,China University of Mining and Technology(Beijing),Beijing 100083,China;
3. Huainan Coal Mining Group,Huainan,Anhui 232001,China)
Abstract:Theoretical analysis,numerical simulation and statistical analysis are applied to study the relationship between coal-gas outburst and astro-tidal-triggering based on the Mohr-Coulomb criterion and Newton's second law from the astro-tidal-triggering influence on geological disasters. Results show that there is a certain correlation between coal-gas outburst and astro-tidal-triggering and the tidal force plays a certain role in promoting the coal-gas outburst. Coal-gas outburst and astro-tidal-triggering both exhibit a periodicity in time and regional difference in space. Coal-gas outburst occurs at high frequencies under the strongest tidal force,while it occurs at low frequencies under the role of the weakest tidal force. Numerical simulation results verified the correctness of the tidal force?s role in promoting the coal-gas outburst. A new research direction is provided to further understand the mechanism of coal and gas outburst.
罗 勇1,陶文斌1,马海峰2,陶 杰3,侯俊领3. 天体引潮力对煤与瓦斯突出的作用机制[J]. 岩石力学与工程学报, 2015, 34(s1): 3005-3011.
LUO Yong1,TAO Wenbin1,MA Haifeng2,TAO Jie3,HOU Junling3. MECHANISM OF THE ASTRO-TIDAL-TRIGGERING TO
COAL AND GAS OUTBURST. , 2015, 34(s1): 3005-3011.
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