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Role of Tectonic Coal in Coal and Gas Outburst Behavior During Coal Mining
Rock Mechanics and Rock Engineering, 2019Coal and gas outbursts are small-scale geological disasters controlled by tectonic movement, and tectonic coal is widespread in outburst zones. In this study, we compare tectonic and intact coal specimens to examine the basic properties of tectonic coal.
Tu, Qingyi +5 more
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Rock Mechanics and Rock Engineering, 2021
Coal and gas outburst is tightly related to the existence of tectonic coal. Because large blocks of tectonic coals are difficult to be collected, reconstituted coal specimens are often used to study the mechanical properties. In this study, reconstituted coal specimens were prepared under different external forces. Then, triaxial compression tests were
Jia Lin +4 more
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Coal and gas outburst is tightly related to the existence of tectonic coal. Because large blocks of tectonic coals are difficult to be collected, reconstituted coal specimens are often used to study the mechanical properties. In this study, reconstituted coal specimens were prepared under different external forces. Then, triaxial compression tests were
Jia Lin +4 more
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Microstructure Characteristics of Tectonic Coal and Primary Coal: A Case Study of Guizhou, China
Natural Resources Research, 2023Cong Feng +5 more
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Discrimination of gas diffusion state in intact coal and tectonic coal: Model and experiment
Fuel, 2022Shouqing Lu +5 more
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Effect of particle size on gas energy release for tectonic coal during outburst process
Fuel, 2022Based on the particle size evolution of tectonic coal in formation process, the differences between tectonic coal and intact coal in pore structure and initial gas desorption characteristics were studied.
Q. Tu, Yuanping Cheng, S. Xue, T. Ren
semanticscholar +1 more source
Macromolecular response to tectonic deformation in low-rank tectonically deformed coals (TDCs)
Fuel, 2018Abstract The nano-porous and optical properties of tectonically deformed coals (TDCs) are well characterized while their macromolecular structures have been minimally reported in recent years. In this study, the structural transformations of low-rank TDC macromolecular structures were identified utilizing 13C nuclear magnetic resonance (13C NMR) and ...
Yu Song, Bo Jiang, Yuzhen Han
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The Coal Occurrence Tectonic Units and Coal Controlling Characteristics in Northwest China
Applied Mechanics and Materials, 2013The coalfield sructure is mainly influenced by the Tethyan Geodynamics system and ancient Asia Geodynamics system in the northwest region, but theres no unified understanding for the coal occurrence tectonic unit yet. Based on the characteristics of coal-bearing strata of the northwest region, the northwest coal occurrence tectonic unit is divided into
Shu Zheng Ning +2 more
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Processes
Vibrations caused by downhole operations often induce coal and gas outburst accidents in tectonic zone coal seams. To clarify how vibration affects the pore structure, gas desorption, and diffusion capacity of tectonic coal, isothermal adsorption ...
M. Shen +5 more
semanticscholar +1 more source
Vibrations caused by downhole operations often induce coal and gas outburst accidents in tectonic zone coal seams. To clarify how vibration affects the pore structure, gas desorption, and diffusion capacity of tectonic coal, isothermal adsorption ...
M. Shen +5 more
semanticscholar +1 more source
Analysis of dominant flow in tectonic coal during coalbed methane transport
The Physics of FluidsDiffusion and seepage are the main flow forms of coal seam gas transport, and are one of the key factors in the selection of gas extraction improvement methods.
Xinyu Zhu +6 more
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