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dc.contributor.authorTopič , Jaroslav
dc.contributor.authorProšek , Zdeněk
dc.contributor.authorIndrová , Kateřina
dc.contributor.authorPlachý , Tomáš
dc.contributor.authorNežerka , Václav
dc.contributor.authorKopecký , Lubomír
dc.contributor.authorTesárek , Pavel
dc.date.accessioned2017-02-09T09:52:44Z
dc.date.available2017-02-09T09:52:44Z
dc.date.issued2015
dc.identifier.citationActa Polytechnica. 2015, vol. 55, no. 1, p. 64-75.
dc.identifier.issn1210-2709 (print)
dc.identifier.issn1805-2363 (online)
dc.identifier.urihttp://hdl.handle.net/10467/67179
dc.description.abstractPolymers are used for modification of the cement-based composites and others building materials since the thirties of 20th century. Based on the conclusions of recent studies, it is assumed that even water soluble polymers could be used as an admixture for such modification. Currently, there exist and are exploited several possibilities for polymer modification of mortars, wood-based products or bituminous asphalts. Various options differ in the way of modification, which can be basically applied to the entire volume or just a surface, but also in the form of the polymer used – either in the form of solution or fibers. The aim of our study was to investigate the influence of volume modification by the water soluble polymers, such as polyvinyl alcohol (PVA), on the properties of cement paste and find an optimum additive. It turned out that the addition of PVA solution into fresh cement paste results in an increase of porosity and therefore a stiffness and compressive strength reduction. On the other hand, the bending strength of PVA-rich specimens was significantly higher and their water absorption decreased, which may consequently result in enhanced frost resistance.en
dc.format.mimetypeapplication/pdf
dc.language.isoeng
dc.publisherČeské vysoké učení technické v Prazecs
dc.publisherCzech Technical University in Pragueen
dc.relation.ispartofseriesActa Polytechnica
dc.relation.urihttps://ojs.cvut.cz/ojs/index.php/ap/article/view/2166
dc.rightsCreative Commons Attribution 4.0 International Licenseen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.titleEFFECT OF PVA MODIFICATION ON PROPERTIES OF CEMENT COMPOSITES
dc.typearticleen
dc.date.updated2017-02-09T09:52:44Z
dc.identifier.doihttps://doi.org/10.14311/AP.2015.55.0064
dc.rights.accessopenAccess
dc.type.statusPeer-reviewed
dc.type.versionpublishedVersion


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Except where otherwise noted, this item's license is described as Creative Commons Attribution 4.0 International License