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IssuesArchive of Issues2022-8pp.2128-2150

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N.V. Cherdantsev, "A Certain Approach to Constructing the Solution to the Problem of Coal and Methane Outburst from a Marginal Seam Zone," Mech. Solids. 57 (8), 2128-2150 (2022)
Year 2022 Volume 57 Number 8 Pages 2128-2150
DOI 10.3103/S0025654422080301
Title A Certain Approach to Constructing the Solution to the Problem of Coal and Methane Outburst from a Marginal Seam Zone
Author(s) N.V. Cherdantsev (Federal Research Center of Coal and Coal Chemistry, Siberian Branch, Russian Academy of Sciences, Kemerovo, 650099 Russia, nvch2014@yandex.ru)
Abstract Based on the model of the geomechanical state of a coal massif hosting a coal seam with a brittle layer and mineworks, as well as ideas developed by S.A. Khristianovich about gas-dynamic processes during the evolution of coal seams, a solution to the problem of coal and gas outburst from the marginal part of the formation is constructed. Conditions are formulated for the occurrence of gas-dynamic phenomena manifesting themselves, first, by the formation of a main crack in a seam with free methane and, then, by the formation of a crushing wave in it, followed by the outburst of a plug and a mixture of crushed coal and gas into the mine.
Keywords rock massif, mine, coal seam, ultimately stressed zones, strength characteristics, crushing wave
Received 14 October 2022Revised 14 October 2022Accepted 14 October 2022
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