Effects of geo-stress on the dynamic response of multi-physical field parameters during coal and gas outbursts under true triaxial stress

With the increase of the mining depth in coal mining operations, more coal and gas outburst (CGO) disasters are likely occur due to the increase in geo-stress. The limitations of conventional experimental methods prevent the observation of multi-physics parameters and dynamic effects during CGO. In...

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Veröffentlicht in:	International journal of rock mechanics and mining sciences (Oxford, England : 1997) England : 1997), 2021-06, Vol.142, p.104759, Article 104759
Hauptverfasser:	Zhou, Bin, Xu, Jiang, Peng, Shoujian, Yan, Fazhi, Gao, Yabin, Li, Qixian, Cheng, Liang
Format:	Artikel
Sprache:	eng
Schlagworte:	Acceleration Axial stress Coal Coal and gas outburst Coal gas outbursts Coal mines Coal mining Deceleration Disasters Dynamic disaster Dynamic response Energy Energy sources Experimental methods Flow velocity Gas expansion Gas flow Gas pressure Impact loads Initial stresses Mining safety Multiphase flow Parameters Physics Pressure Pressure drop Roads Strain Stress Temperature
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