Results 171 to 180 of about 1,933 (209)
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Experimental study on the guiding effect of tectonic coal for coal and gas outburst
Fuel, 2022Abstract The guiding effect of tectonic coal on outburst was analyzed by combining typical outburst cases, and the physical simulation experiment was carried out to reproduce the influences of tectonic coal area on the outburst. Then, the guiding action mechanism of tectonic coal on the outburst was investigated.
Yuanping Cheng, Gaofeng Shi
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Effect of tectonic coal structure on methane adsorption
Journal of Environmental Chemical Engineering, 2021Abstract The research of methane adsorption in coal is of great significant for controlling methane emission and reducing the greenhouse gas. The Fourier Infrared Spectrum experiments, isothermal adsorption experiments and methane adsorption experiments were conducted to study the effect of tectonic coal structure on methane adsorption from the ...
Dongji Lei, Jiangwei Yan
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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.
Yuanping Cheng, Ting Ren, Jia Lin
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Reservoir properties of Chinese tectonic coal: A review
Fuel, 2020Abstract Tectonic coal, formed after the intact coal being subjected to long-term intense squeezing, shearing and deformation, is characterised by brittle or ductile damaged coal body, with the characteristics of low cohesion, low strength and low permeability.
Yuanping Cheng, Zhejun Pan
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Microstructure Characteristics of Tectonic Coal and Primary Coal: A Case Study of Guizhou, China
Natural Resources Research, 2023Xijian Li, Honggao Xie, Li Xijian
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Characterization of the Chemical Structure of Tectonically Deformed Coals
Energy & Fuels, 2017Tectonic deformation damages the macromolecular structures of coal. No evidence can be found of tectonically deformed coal (TDC) structures, in which traces of lattice defects exist. In this study, the mechanisms of ductile deformation and the evolution of the molecular structure have been investigated using coal samples collected from one thrust fault
Wu Li +5 more
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Experimental Study on the Porous Structure and Compressibility of Tectonized Coals
Energy & Fuels, 2010This paper presents experimental investigations on the porous structure and compressibility of six representative tectonized coals, which were geologically formed because of post-formation tectonic deformation of the coal seam, resulting in various brittle and plastic structure development in the seam, such as fissure and fold.
Zhenghui Qu +5 more
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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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