2020
DOI: 10.1016/j.ssci.2020.104693
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Study on the propagation law of gas explosion in the space based on the goaf characteristic of coal mine

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Cited by 49 publications
(19 citation statements)
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“…Bell [109] considered the seepage pattern of the mined area as anisotropic three-dimensional according to the porous media theory. Gao et al [110,111] established an ideal physical model with spatial characteristics of the gob for the spatial characteristics of the gob and studied the effect of different rock diameters and arrangements on the gas explosion in the gob. e effect of different rock diameters and arrangements on the gas explosion characteristics of the extraction zone was studied.…”
Section: Study On the Prevention And Control Of Explosion Risk In The Gobmentioning
confidence: 99%
“…Bell [109] considered the seepage pattern of the mined area as anisotropic three-dimensional according to the porous media theory. Gao et al [110,111] established an ideal physical model with spatial characteristics of the gob for the spatial characteristics of the gob and studied the effect of different rock diameters and arrangements on the gas explosion in the gob. e effect of different rock diameters and arrangements on the gas explosion characteristics of the extraction zone was studied.…”
Section: Study On the Prevention And Control Of Explosion Risk In The Gobmentioning
confidence: 99%
“…By taking Equation (12) into Equation (4), the expression of the damage degree of the rock is as follows:…”
Section: Dynamic and Static Coupling Failure Modes Of Granitementioning
confidence: 99%
“…Therefore, one-dimensional dynamic static coupling can better reflect the actual stress state of roadway excavation. The study of the dynamic characteristics of the surrounding rock under dynamic and static coupling has important reference significance for the safe construction [11,12], efficient operation [13], and long-term stability of underground rock engineering.…”
Section: Introductionmentioning
confidence: 99%
“…e conventional top coal weakening process by blasting was redesigned and set up again, and the arranged blast drilling field was repeatedly utilized to conduct gas extraction [20][21][22] and top coal weakening by water injection [23][24][25][26], resulting in a multifunctional, mutually promoting, and cyclic top coal weakening process, in order to maximize the economic benefit and optimize the top coal weakening performance. While increasing economic benefit of a mine and preventing it from mine fire [27] and gas explosion [28,29], this process enabled less waste of coal resource and sustainable mine development.…”
Section: Introductionmentioning
confidence: 99%