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Maximum coarse aggregate’s volume fraction in self-compacting concrete for different flow restrictions

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dc.contributor.authorNepomuceno, Miguel
dc.contributor.authorOliveira, Luiz Antonio Pereira de
dc.contributor.authorLopes, Sérgio Manuel Rodrigues
dc.contributor.authorFranco, Rui Miguel Calaça
dc.date.accessioned2018-01-05T15:32:02Z
dc.date.embargo9999-01-01
dc.date.issued2016
dc.description.abstractThe volume of coarse aggregates (Vg) in self-compacting concrete (SCC) is usually conditioned to the passing ability (PA) in an L-box test. Some mix design methods use the three bar test results in L-box for proportioning SCC. However, in real structures, gaps can differ from those of L-box. By increasing the gaps, the Vg value can be increased and, consequently, the mortar phase volume can be decreased. In this study, the model proposed by Nepomuceno et al. (2014) to quantify the Vg value was modified to allow the introduction of an additional parameter that takes account for different gaps. Four SCC mixtures with different Vg values and the same mortar phase were produced and the PA value measured in the L-box test for different sizes of gaps: R1 (34 mm), R2 (64 mm), R3 (94 mm) and R4 (no restrictions). The results showed that for less demanding gaps it is possible to increase the Vg value of SCC and comply with the PA value in L-box test (H2/H1≥0.80).pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationMiguel C.S. Nepomuceno, L.A. Pereira-de-Oliveira, S.M.R. Lopes, R.M.C. Franco, Maximum coarse aggregate's volume fraction in self-compacting concrete for different flow restrictions, Construction and Building Material, 113 (2016) 851-856. DOI:10.1016/j.conbuildmat.2016.03.143. ISSN:09500618.pt_PT
dc.identifier.doi10.1016/j.conbuildmat.2016.03.143pt_PT
dc.identifier.issn09500618
dc.identifier.urihttp://hdl.handle.net/10400.6/4592
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.subjectMix designpt_PT
dc.subjectSelf-compacting concretept_PT
dc.subjectL-box testpt_PT
dc.subjectPassing abilitypt_PT
dc.subjectReinforcement gappt_PT
dc.subjectCoarse aggregatept_PT
dc.subjectMortar phasept_PT
dc.titleMaximum coarse aggregate’s volume fraction in self-compacting concrete for different flow restrictionspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage856pt_PT
oaire.citation.startPage851pt_PT
oaire.citation.titleConstruction and Building Materialspt_PT
oaire.citation.volume113pt_PT
person.familyNameNepomuceno
person.givenNameMiguel Costa Santos
person.identifierhttp://scholar.google.pt/citations?user=IguykP4AAAAJ
person.identifier.ciencia-idF710-57AF-521F
person.identifier.orcid0000-0003-3865-490X
person.identifier.scopus-author-idhttp://www.scopus.com/authid/detail.url?authorId=36246411800
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationd93f6f35-204d-4bd1-a38a-5ec3c39a31e3
relation.isAuthorOfPublication.latestForDiscoveryd93f6f35-204d-4bd1-a38a-5ec3c39a31e3

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