UM
Hyperbolic method to analyze the electrical resistivity curve of Portland cements with superplasticizer
Wei X.1; Xiao L.2; Li Z.2
2008-04-01
Source PublicationJournal Wuhan University of Technology, Materials Science Edition
ISSN10002413
Volume23Issue:2Pages:245-248
AbstractElectrical measurement was employed to investigate the early hydration characteristics of cement pastes with different dosages of superplasticizer in the same W/C ratio. The hyperbolic method was applied to analyze the electrical resistivity development. The peak point (P ) on the hyperbolic curve could be easily read. The time (t ) to reach the point Ph had strong relations with the setting time. th was delayed with the increment of the dosage of superplasticizer. The time th was used to plot the relationship between the initial setting time and fi nal setting time. The hyperbolic equation was established to predict the ultimate resistivity. The retardation effect of the superplasticizer was confirmed in the same W/C ratio by setting time and isothermal heat evolution. © 2008 Wuhan University of Technology and Springer-Verlag GmbH.
KeywordElectrical resistivity Hydration Hyperbolic method Setting time Superplasticizer
DOI10.1007/s11595-006-2245-9
URLView the original
Language英語
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Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.Huazhong University of Science and Technology
2.Hong Kong University of Science and Technology
Recommended Citation
GB/T 7714
Wei X.,Xiao L.,Li Z.. Hyperbolic method to analyze the electrical resistivity curve of Portland cements with superplasticizer[J]. Journal Wuhan University of Technology, Materials Science Edition,2008,23(2):245-248.
APA Wei X.,Xiao L.,&Li Z..(2008).Hyperbolic method to analyze the electrical resistivity curve of Portland cements with superplasticizer.Journal Wuhan University of Technology, Materials Science Edition,23(2),245-248.
MLA Wei X.,et al."Hyperbolic method to analyze the electrical resistivity curve of Portland cements with superplasticizer".Journal Wuhan University of Technology, Materials Science Edition 23.2(2008):245-248.
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