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Study of the rheology of self-compacting concrete with fine recycled concrete aggregates

2015-10-15Journal article Restricted access
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dc.contributor.authorCarro-López, Diego
dc.contributor.authorGonzalez-Fonteboa, Bela
dc.contributor.authorDe Brito, Jorge
dc.contributor.authorMartínez-Abella, Fernando
dc.contributor.authorGonzález-Taboada, Iris
dc.contributor.authorRaposeiro Da Silva, Pedro
dc.date.accessioned2016-02-24T11:02:45Z
dc.date.available2016-02-24T11:02:45Z
dc.date.issued2015-10-15
dc.description.abstractThis work studies the effect of incorporating fine recycled aggregates on the rheology of self-compacting concrete over time (at 15,45 and 90 min). The fine fraction of the natural aggregates was replaced at 0%, 20%, 50% and 100% with recycled sand. The fresh-state properties were studied by empirical tests (slump-flow, J-Ring, L-Box) and fundamental ones in an ICAR rheometer. The mixes with 50% and 100% recycled sand lost their SCC characteristics at 90 min. Contrarily the mix with 20% replacement maintained suitable passing and filling ability. The causes of this trend were an initial increase of plastic viscosity and afterwards an increase of yield stress. The compressive strength of the 50% and 100% replacement mixes decreased significantly and that of the 20% replacement mix less than 10%. (C) 2015 Elsevier Ltd. All rights reserved.pt_PT
dc.identifier.citationCARRO-LOPEZ, Diego; [et al.] - Study of the rheology of self-compacting concrete with fine recycled concrete aggregates. Construction and Building Materials. ISSN. 0950-0618. Vol. 96 (2015), pp. 491-501pt_PT
dc.identifier.doi10.1016/j.conbuildmat.2015.08.091pt_PT
dc.identifier.issn0950-0618
dc.identifier.issn1879-0526
dc.identifier.urihttp://hdl.handle.net/10400.21/5726
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevier Science LTDpt_PT
dc.relation.publisherversionhttp://www.sciencedirect.com/science/article/pii/S0950061815303044pt_PT
dc.subjectSelf-compacting concretept_PT
dc.subjectFine recycled aggregatespt_PT
dc.subjectAbsorptionpt_PT
dc.subjectRheologypt_PT
dc.subjectRheometerpt_PT
dc.subjectMortarpt_PT
dc.subjectFilling abilitypt_PT
dc.subjectPassing abilitypt_PT
dc.titleStudy of the rheology of self-compacting concrete with fine recycled concrete aggregatespt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage501pt_PT
oaire.citation.startPage491pt_PT
oaire.citation.volume96pt_PT
person.familyNameCarro-López
person.familyNameCaliço Lopes de Brito
person.familyNameMartínez-Abella
person.familyNameGonzález-Taboada
person.familyNameSoares Raposeiro da Silva
person.givenNameDiego
person.givenNameJorge Manuel
person.givenNameFernando
person.givenNameIris
person.givenNamePedro Miguel
person.identifierA-4299-2008
person.identifier.ciencia-id921D-3921-8308
person.identifier.ciencia-idFC17-45FB-A606
person.identifier.orcid0000-0001-5343-6762
person.identifier.orcid0000-0001-6766-2736
person.identifier.orcid0000-0002-5991-6414
person.identifier.orcid0000-0001-7992-4713
person.identifier.orcid0000-0001-8770-8439
person.identifier.ridL-8361-2014
person.identifier.ridI-1541-2016
person.identifier.ridA-1832-2012
person.identifier.scopus-author-id24449185800
person.identifier.scopus-author-id7003285554
person.identifier.scopus-author-id55885899000
person.identifier.scopus-author-id56786224300
person.identifier.scopus-author-id56585411500
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
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relation.isAuthorOfPublicationebc80e57-531a-4fe5-ac87-4d8382b7de2e
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