Influence of alkali ions on the efficiency of shrinkage reduction by polypropylene glycol in alkali activated systems

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dc.contributor.authorKalina, Lukášcs
dc.contributor.authorBílek, Vlastimilcs
dc.contributor.authorNovotný, Radoslavcs
dc.coverage.issue30cs
dc.coverage.volume1cs
dc.date.issued2018-06-01cs
dc.description.abstractAlkali-activated materials, especially when activated by water glass, exhibit substantial drying shrinkage that hinders their broader industrial application. The effect of shrinkage-reducing admixtures (SRA), based on polypropylene glycol, on drying shrinkage of alkali-activated blast furnace slag (BFS) mortars was examined. The determination of SRA efficiency and the influence of potassium alkali activators with varying silicate modulus on drying shrinkage characteristics were studied. It was observed that a high amount of alkalis positively affected the effect of SRA. The higher the amount of alkalis was, the lower was the drying shrinkage. The paper further discusses and underlines the role of the amount of alkali ions on the properties of alkali-activated BFS systems.en
dc.formattextcs
dc.format.extent1-5cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationAdvances in Cement Research. 2018, vol. 1, issue 30, p. 1-5.en
dc.identifier.doi10.1680/jadcr.17.00139cs
dc.identifier.issn0951-7197cs
dc.identifier.orcid0000-0001-8127-8175cs
dc.identifier.orcid0000-0003-3831-3443cs
dc.identifier.orcid0000-0002-1809-5875cs
dc.identifier.other140910cs
dc.identifier.researcheridAAB-9386-2022cs
dc.identifier.researcheridAAY-4689-2020cs
dc.identifier.scopus55255338000cs
dc.identifier.scopus57188564285cs
dc.identifier.urihttp://hdl.handle.net/11012/84146
dc.language.isoencs
dc.publisherICE Publishingcs
dc.relation.ispartofAdvances in Cement Researchcs
dc.relation.urihttps://www.icevirtuallibrary.com/doi/abs/10.1680/jadcr.17.00139cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/0951-7197/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectadmixturesen
dc.subjectalkali-activated cementsen
dc.subjectshrinkageen
dc.titleInfluence of alkali ions on the efficiency of shrinkage reduction by polypropylene glycol in alkali activated systemsen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-140910en
sync.item.dbtypeVAVen
sync.item.insts2025.02.03 15:38:03en
sync.item.modts2025.01.17 15:35:02en
thesis.grantorVysoké učení technické v Brně. Fakulta chemická. Centrum materiálového výzkumucs
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