Permeation and diffusion tests for estimation of durability of fibreconcretes with dense aggregate and recycled concrete

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dc.contributor.authorStehlík, Michalcs
dc.contributor.authorKnapová, Janacs
dc.contributor.authorHeřmánková, Věracs
dc.coverage.issue1cs
dc.coverage.volume385cs
dc.date.accessioned2018-12-06T12:10:25Z
dc.date.available2018-12-06T12:10:25Z
dc.date.issued2018-07-16cs
dc.description.abstractMechanical and deformational properties of concrete are markedly improved by the addition of long structural fibres. This addition, however, not always improves the durability of concrete. One important factor for an estimation of concrete durability is to assess the permeation and diffusion characteristics of the surface layer. The research was performed by means of the TORRENT permeability method and the method for determination of the nonsteady-state migration coefficient of chlorides in concrete – NORDTEST. The addition of long polypropylene fibres contributes to increasing the permeability of the surface layer for air and chloride solution, but no too significantly. The higher permeability was determined in concrete with concrete recyclate and polypropylene fibres. The measured results by both used methods are partially comparable and can be used for raw estimation of durability of concretes. The higher values of permeability indicate the expected lower durability of tested concretes.en
dc.formattextcs
dc.format.extent1-6cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationIOP Conference Series: Materials Science and Engineering. 2018, vol. 385, issue 1, p. 1-6.en
dc.identifier.doi10.1088/1757-899X/385/1/012055cs
dc.identifier.issn1757-8981cs
dc.identifier.other149585cs
dc.identifier.urihttp://hdl.handle.net/11012/137117
dc.language.isoencs
dc.publisherIOP Publishingcs
dc.relation.ispartofIOP Conference Series: Materials Science and Engineeringcs
dc.relation.urihttp://iopscience.iop.org/article/10.1088/1757-899X/385/1/012055cs
dc.rightsCreative Commons Attribution 3.0 Unportedcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/1757-8981/cs
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/cs
dc.subjectPermeation and diffusion testsen
dc.subjectconcrete recyclateen
dc.subjectpolypropylene fibresen
dc.titlePermeation and diffusion tests for estimation of durability of fibreconcretes with dense aggregate and recycled concreteen
dc.type.driverconferenceObjecten
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-149585en
sync.item.dbtypeVAVen
sync.item.insts2020.04.01 11:00:46en
sync.item.modts2020.04.01 05:50:11en
thesis.grantorVysoké učení technické v Brně. Fakulta stavební. Ústav stavebního zkušebnictvícs
thesis.grantorVysoké učení technické v Brně. Fakulta stavební. AdMaS KCE - Stavební zkušebnictvícs
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