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Determination of concrete setting time using electrical resistivity measurement
Li Z.2; Xiao L.2; Wei X.1
2007-05-01
Source PublicationJournal of Materials in Civil Engineering
ISSN08991561
Volume19Issue:5Pages:423-427
AbstractThe hydration process of fresh concretes with different proportions was studied using electrical resistivity measurement. The minimum point (P) and the transition point (P) were identified on the electrical resistivity development curves. The time t at which P occurred, represented the time when the curve dropped to a minimum and before increasing as a result of the onset of hydration. The time t at which P occurred, marked the time when the kinetics of hydration transition changed from the setting to the hardening stage. To evaluate the significance of t and t in terms of the setting process, they were compared to the initial setting time (t) and final setting time (t) measured with the traditional penetration resistance method. The quantitative relationships between the setting time of concrete and the electrical resistivity critical points were developed. The equations can be used to estimate the setting times of concrete as an alternative method. © 2007 ASCE.
KeywordConcrete Electrical resistivity Measurement Penetration resistance
DOI10.1061/(ASCE)0899-1561(2007)19:5(423)
URLView the original
Language英語
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被引频次[WOS]:54   [WOS记录]     [WOS相关记录]
Document TypeJournal article
专题University of Macau
Affiliation1.Huazhong University of Science and Technology
2.Hong Kong University of Science and Technology
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Li Z.,Xiao L.,Wei X.. Determination of concrete setting time using electrical resistivity measurement[J]. Journal of Materials in Civil Engineering,2007,19(5):423-427.
APA Li Z.,Xiao L.,&Wei X..(2007).Determination of concrete setting time using electrical resistivity measurement.Journal of Materials in Civil Engineering,19(5),423-427.
MLA Li Z.,et al."Determination of concrete setting time using electrical resistivity measurement".Journal of Materials in Civil Engineering 19.5(2007):423-427.
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