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Geotechnical and Geological Engineering
Erschienen in: Geotechnical and Geological Engineering 6/2019

16.05.2019 | Original Paper

Pore Fractal Characteristics of Lignite at Different Temperatures Based on Mercury Intrusion Test

verfasst von: Yue Song, Jun Xie, Haizheng Fu, Lin Xin

Erschienen in: Geotechnical and Geological Engineering | Ausgabe 6/2019

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Abstract

Microstructure test of lignite in Huainan Panyi Coal Mine by mercury intrusion method. According to the proportion of accumulated pore volume fraction in different radius range of coal, the pore size is classified. The pore structure characteristics of lignite at different temperatures are obtained by using the mercury retreat curve: with the increase of temperature, the trend of macropore growth is obvious. Based on the fractal dimension calculation principle of pore structure, the fractal dimension of various kinds of pore is calculated by linear regression: The fractal dimension of small pore is bigger than that of medium pore and large pore, which indicates that the pore structure of small pore is not uniform and the distribution of coal pore is dispersive at this stage.
Vorheriger Artikel Three-Dimensional Fluid–Solid Coupling Numerical Simulation of Effects of Underlying Karst Cave on Shield Tunnel Through Sand Stratum
Nächster Artikel Application of Machine Learning Techniques for Predicting the Dynamic Response of Geogrid Reinforced Foundation Beds

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Metadaten
Titel
Pore Fractal Characteristics of Lignite at Different Temperatures Based on Mercury Intrusion Test
verfasst von
Yue Song
Jun Xie
Haizheng Fu
Lin Xin
Publikationsdatum
16.05.2019
Verlag
Springer International Publishing
Erschienen in
Geotechnical and Geological Engineering / Ausgabe 6/2019
Print ISSN: 0960-3182
Elektronische ISSN: 1573-1529
DOI
https://doi.org/10.1007/s10706-019-00943-9

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