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On the development of a technical specification for the use of fine recycled aggregates from construction and demolition waste in concrete production

2020-09-23Journal article Open access
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dc.contributor.authorBravo, Miguel
dc.contributor.authorDuarte, António P. C.
dc.contributor.authorDe Brito, Jorge
dc.contributor.authorEvangelista, Luís
dc.contributor.authorPedro, Diogo
dc.date.accessioned2020-11-25T15:26:17Z
dc.date.available2020-11-25T15:26:17Z
dc.date.issued2020-09-23
dc.description.abstractThe possibility of using recycled aggregates from construction and demolition waste (CDW) in concrete is rather widely agreed upon when it comes to the use of coarse recycled aggregates. However, this is not the case when fine recycled aggregates (FRA) are considered, as it is deemed that these seriously impair the behaviour of concrete. Hence, this work presents a technical specification proposal for the use of FRA from CDW in concrete, to attempt to fill this gap in legislation. The specification is based on a wide collection of experimental results, from which it is shown that for low incorporation ratios (up to 25%), the properties of concrete with FRA from CDW are comparable to those of a reference concrete. The intended international scope of the specification is ensured by the fact that FRA from CDW are typified by composition (percentage of concrete, masonry, glass, etc.) rather than by geographical origin or construction type. It is shown that, after typifying the FRA and assuming, as per design, the acceptable percentage losses (relative to a reference concrete) of mechanical, durability-related and long-term physical properties, if the maximum incorporation ratios proposed of each type of FRA are used, the variation of properties remains within the limits established.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationBRAVO, Miguel; [et al] – On the development of a technical specification for the use of fine recycled aggregates from construction and demolition waste in concrete production. Materiais. ISSN 1996-1944. Vol. 13, N.º 19 (2020), pp. 1-14pt_PT
dc.identifier.doi10.3390/ma13194228pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.21/12402
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.subjectRecycled aggregate concretept_PT
dc.subjectConstruction and demolition wastept_PT
dc.subjectFine recycled aggregatespt_PT
dc.subjectTechnical specification proposalpt_PT
dc.subjectSustainabilitypt_PT
dc.titleOn the development of a technical specification for the use of fine recycled aggregates from construction and demolition waste in concrete productionpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage14pt_PT
oaire.citation.issue19pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titleMateriaispt_PT
oaire.citation.volume13pt_PT
person.familyNameCaneiras Bravo
person.familyNameCaliço Lopes de Brito
person.familyNameFaria Rocha Evangelista
person.familyNamePedro
person.givenNameMiguel Nuno
person.givenNameJorge Manuel
person.givenNameLuís Manuel
person.givenNameDiogo
person.identifierhttps://scholar.google.pt/citations?user=vhX8t6UAAAAJ&hl=pt-PT
person.identifierA-4299-2008
person.identifierB-9864-2011
person.identifier.ciencia-idC01B-BFA5-7209
person.identifier.ciencia-id921D-3921-8308
person.identifier.ciencia-idA612-1A5B-D93D
person.identifier.orcid0000-0003-0393-4039
person.identifier.orcid0000-0001-6766-2736
person.identifier.orcid0000-0001-8406-6864
person.identifier.orcid0000-0002-7024-3732
person.identifier.scopus-author-id7103121011
person.identifier.scopus-author-id7003285554
person.identifier.scopus-author-id57201241744
person.identifier.scopus-author-id55516284700
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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