Properties of cement pastes with zeolite during early stage of hydration

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dc.contributor.authorBoháč, Martincs
dc.contributor.authorKubátová, Danacs
dc.contributor.authorNečas, Radovancs
dc.contributor.authorZezulová, Anežkacs
dc.contributor.authorRybová, Alexandracs
dc.contributor.authorNovotný, Radoslavcs
dc.coverage.issue1cs
dc.coverage.volume151cs
dc.date.accessioned2022-05-10T14:54:11Z
dc.date.available2022-05-10T14:54:11Z
dc.date.issued2016-08-04cs
dc.description.abstractProperties of cement pastes with various replacement levels of natural zeolite were tested by isothermal calorimetry and rotational rheology. Zeolite from the Eastern Slovakia region was used for tests. Kinetics of exothermic reaction during early stage of hydration were monitored by calorimetry. The role of different replacement level of zeolite on main rheological parameters is discussed in the paper. The onset point of formation of C-S-H products and the main calorimetric peak move to earlier times with increased zeolite content. Zeolite causes acceleration of hydration before the heat flow peak time and the following deceleration proportionally to its content. Zeolite in cement promotes the AFt formation, which increases the elastic response of fresh paste at the beginning of hydration. Trends of G’ and phase angle show that zeolite accelerates the hydration of C3S and early C-S-H formation.en
dc.formattextcs
dc.format.extent2-9cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationProcedia Engineering. 2016, vol. 151, issue 1, p. 2-9.en
dc.identifier.doi10.1016/j.proeng.2016.07.349cs
dc.identifier.issn1877-7058cs
dc.identifier.other127113cs
dc.identifier.urihttp://hdl.handle.net/11012/204201
dc.language.isoencs
dc.publisherElseviercs
dc.relation.ispartofProcedia Engineeringcs
dc.relation.urihttps://www.sciencedirect.com/science/article/pii/S1877705816317374cs
dc.rightsCreative Commons Attribution-NonCommercial-NoDerivatives 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/1877-7058/cs
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/cs
dc.subjectcementen
dc.subjectzeoliteen
dc.subjecthydrationen
dc.subjectcalorimetryen
dc.subjectrheologyen
dc.titleProperties of cement pastes with zeolite during early stage of hydrationen
dc.type.driverconferenceObjecten
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-127113en
sync.item.dbtypeVAVen
sync.item.insts2022.05.10 16:54:11en
sync.item.modts2022.05.10 16:14:12en
thesis.grantorVysoké učení technické v Brně. Fakulta chemická. CMV - laboratoř anorganických materiálůcs
thesis.grantorVysoké učení technické v Brně. . Výzkumný ústav stavebních hmot, a.s.cs
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