Geodesic
Rock bursts - the cause of methane emissions in the coal mine?
Vestnik KRAUNC. Fiziko-matematičeskie nauki, no. 1 (2015), pp. 34-43 Cet article a éte moissonné depuis la source Math-Net.Ru

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The model, which hit a mountain (technogenic earthquakes) - is presented as a way out of the shock wave at the inner wall of the shaft. This raises the unloading wave, stretching, moving backward (deep wall) direction. Shock wave accompanied by the movement of the medium in the propagation direction of the shock waves at a speed considerably less than that of the wave. The totality of phenomena occurring on the inner surface of the mine, leads to the release of coal dust and methane dissolved in the coal, which is the cause of the explosion.
Keywords: mountain pass, the shock wave to the surface, expansion wave, the emission of methane and coal dust, electric shock and explosion. 
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V. V. Kuznetsov. Rock bursts - the cause of methane emissions in the coal mine?. Vestnik KRAUNC. Fiziko-matematičeskie nauki, no. 1 (2015), pp. 34-43. http://geodesic.mathdoc.fr/item/VKAM_2015_1_a4/

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