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Hydration process of fly ash blended cement pastes by impedance measurement
Tang S.W.1; Cai X.H.1; He Z.1; Shao H.Y.2; Li Z.J.2; Chen E.2
2016-06-15
Source PublicationConstruction and Building Materials
ISSN09500618
Volume113Pages:939-950
AbstractThis study focuses on the early-age hydration development in fly ash blended cement pastes. The characteristic features in different hydration stages and the evolution of zeolites phase, viz., gismondine, are identified in high-dosage fly ash blended cement-based materials using the innovative non-contact impedance measurement (NCIM), X-ray diffraction (XRD), scanning electron microscopy (SEM), thermogravimetric analysis (TGA), heat evolution test and pore solution analysis. It is found that the zeolite formation stage is comparatively distinct at the late hydration period. Besides, the influence of fly ash dosages in cement pastes on setting time and compressive strength are further examined.
KeywordCement paste Fly ash Hydration Impedance Pore Zeolites
DOI10.1016/j.conbuildmat.2016.03.141
URLView the original
Language英語
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Cited Times [WOS]:35   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.Wuhan University
2.Hong Kong University of Science and Technology
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Tang S.W.,Cai X.H.,He Z.,et al. Hydration process of fly ash blended cement pastes by impedance measurement[J]. Construction and Building Materials,2016,113:939-950.
APA Tang S.W.,Cai X.H.,He Z.,Shao H.Y.,Li Z.J.,&Chen E..(2016).Hydration process of fly ash blended cement pastes by impedance measurement.Construction and Building Materials,113,939-950.
MLA Tang S.W.,et al."Hydration process of fly ash blended cement pastes by impedance measurement".Construction and Building Materials 113(2016):939-950.
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