Performance of Self-Compacting Concrete with Residue of Masonry and Recycled Aggregate under Sulfate Attack

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dc.catalogadoryvc
dc.contributor.authorSilva Urrego, Yimmy Fernando
dc.contributor.authorDelvasto, Silvio
dc.contributor.authorValencia, William
dc.contributor.authorAraya Letelier, Gerardo Andrés
dc.date.accessioned2023-10-23T11:05:29Z
dc.date.available2023-10-23T11:05:29Z
dc.date.issued2024
dc.description.abstractThe use of byproducts as supplementary cementitious materials (SCMs) and recycled coarse aggregates (RCAs) can contribute tothe production of more sustainable self-compacting concrete (SCC) while modifying the durability properties of these mixtures. Thus, thisstudy addresses the combined use of concrete waste (CW) as RCA and residue of masonry (RM) as SCM, the CW and RM obtained fromconstruction and demolition waste, to generate SCC mixtures and to evaluate the performance of these mixtures under sulfate attack (5%Na2SO4and 5% MgSO4solutions). In detail, a reference SCC (M1) and three SCCs with 25% of RM and different level RCAs (0%, 50%, and100% replacement by volume) were cast. The hardened properties of the SCC mixtures were assessed in terms of compressive strength andsulfate attack. The results showed that the SCC mixtures with RM and RCA, cured in water, exhibited lower compressive strength results inall the evaluated ages compared with M1 (reference mixture, without RM and RCA). However, the SCC mixture with RM presented themaximum compression strength result among the different mixtures at 180 and 360 days. When mixtures were exposed to sulfate solutions,the SCC mixture with RM showed the best performance, and even the SCC mixtures with RM and RCA exhibited lower linear expansion andloss of compressive strength when compared with M1. The presence and severity of the sulfate attack were assessed via X-ray diffractionand scanning electron micrograph, which confirmed the presence of ettringite and gypsum in all the exposed SCC mixtures in the Na2SO4andMgSO4solutions.
dc.description.funderThe authors express their gratitude to Chilean National Agency forResearch and Development (ANID) through the FONDECYT iniciación # 11221114 and Colciencias Project 21060. Also, to the Materiales Compuestos group (GMC) of the Universidad del Valle, Sika, School of Civil Construction Support Fund, the Administrative Center for Science, Technology and Innovation, MINCIENCIAS-Colombia, and its national doctorate program.
dc.fechaingreso.objetodigital2023-10-23
dc.fuente.origenORCID
dc.identifier.doi10.1061/JMCEE7.MTENG-15741
dc.identifier.eissn1943-5533
dc.identifier.urihttps://doi.org/10.1061/JMCEE7.MTENG-15741
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/75153
dc.information.autorucEscuela de Construcción Civil; Silva Urrego, Yimmy Fernando; 0000-0003-3888-457X; 1197383
dc.information.autorucEscuela de Construcción Civil; Araya Letelier, Gerardo Andrés; 0000-0003-4252-1341; 124980
dc.issue.numero1
dc.language.isoen
dc.nota.accesoContenido parcial
dc.pagina.final12
dc.pagina.inicio1
dc.publisherAmerican Society of Civil Engineers
dc.revistaJournal of Materials in Civil Engineering
dc.rightsacceso restringido
dc.subjectSelf compacting concrete (SCC)
dc.subjectResidue of masonry (RM)
dc.subjectRecycled coarse aggregate (RCA)
dc.subjectSulfate attack
dc.subjectCompressive strength
dc.subject.ddc620
dc.subject.deweyIngenieríaes_ES
dc.titlePerformance of Self-Compacting Concrete with Residue of Masonry and Recycled Aggregate under Sulfate Attack
dc.typeartículo
dc.volumen36
sipa.codpersvinculados1197383
sipa.codpersvinculados124980
sipa.trazabilidadORCID;2023-10-23
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