Experimental study of the surface potential characteristics of coal containing gas under different loading modes (uniaxial, cyclic and graded)

Volume: 249, Pages: 102 - 111
Published: Jan 1, 2019
Abstract
In this paper, the characteristics and mechanism of the surface potential of coal containing gas for different loading modes (uniaxial compression, cyclic and graded loading) are investigated using an experimental surface potential testing system. Coal can produce a surface potential signal during gas adsorption. This signal increases with the adsorption time and exhibits a memory effect; that is, when the adsorbed gas pressure is increased, the...
Paper Details
Title
Experimental study of the surface potential characteristics of coal containing gas under different loading modes (uniaxial, cyclic and graded)
Published Date
Jan 1, 2019
Volume
249
Pages
102 - 111
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