Mechanical properties and permeability evolution of gas-bearing coal under phased variable speed loading and unloading
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DOI: 10.1007/s12517-018-4117-y
Abstract: It is of great significance for the analysis and prediction of coal-gas outburst disasters to understand the mechanical properties and permeability evolution of coal and rock under conditions of stope stress evolution. In this study,… read more here.
Keywords: bearing coal; gas; permeability; stress ... See more keywords
Mechanism of Increasing the Permeability of Water-Bearing Coal Rock by Microwave Steam Explosion
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DOI: 10.1155/2021/6661867
Abstract: Microwave heating of water-bearing coal can promote pore water evaporation. The pores are broken under the action of steam pressure, increasing the permeability of the coal. This study is aimed at investigating the mechanism of… read more here.
Keywords: bearing coal; water; permeability; water bearing ... See more keywords
Experimental Investigation on Mechanical and Acoustic Emission Characteristics of Gassy Coal under Different Stress Paths
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DOI: 10.3390/ijerph19137873
Abstract: Coal mining leads to stress loading–unloading variation in front of the working face, which influences the occurrence of disasters. In order to study the influence mechanism of stress loading–unloading to the coal failure, a series… read more here.
Keywords: gas bearing; stress; bearing coal; coal ... See more keywords