Industrial Byproduct-Based Concrete Subjected to Carbonation. Electrochemical Behavior of Steel Reinforcement

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dc.contributor.authorAperador, Willian
dc.contributor.authorVera, Rosa
dc.contributor.authorMaria Carvajal, Ana
dc.date.accessioned2024-01-10T12:39:43Z
dc.date.available2024-01-10T12:39:43Z
dc.date.issued2012
dc.description.abstractSamples of ASTM A-706 structural steel embedded in different concretes obtained from mixtures of alkali-activated steel slag and fly ash were exposed to accelerated carbonation under controlled conditions (4% CO2, 65% RH and 25 degrees C). Concretes prepared with Ordinary Portland Cement (OPC) (Type I) and Granulated Blast Furnace Slag Cement (GBFS) were used for comparison. Analysis of the electrochemical phenomenon taking place on the surface of the steel due to CO2 transport through the concrete matrix was performed by measurements of open circuit potential (OCP) and linear polarization resistance (LPR). The steel-concrete interface was characterized using Mossbauer spectroscopy at room temperature and X-ray diffraction (XRD). The electrochemical measurements suggest passivation of the steel in the concretes prepared using mixtures of steel slag and fly ash without cement.
dc.description.funderResearch Department of the Universidad Militar Nueva Granada
dc.fechaingreso.objetodigital2024-06-25
dc.format.extent13 páginas
dc.fuente.origenWOS
dc.identifier.issn1452-3981
dc.identifier.urihttps://doi.org/10.1016/S1452-3981(23)16592-8
dc.identifier.wosidWOS:000312936700099
dc.information.autorucConstrucción Civil;Carvajal A;S/I;99804
dc.issue.numero12
dc.language.isoen
dc.nota.accesoContenido completo
dc.pagina.final12882
dc.pagina.inicio12870
dc.publisherESG
dc.revistaINTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE
dc.rightsacceso abierto
dc.subjectfly ash
dc.subjectsteel slag
dc.subjectaccelerated carbonation
dc.subjectcorrosion
dc.subjectFLY-ASH
dc.subjectSLAG
dc.subjectACTIVATOR
dc.subjectHYDRATION
dc.subjectSTRENGTH
dc.subject.ods12 Responsible Consumption and Production
dc.subject.odspa12 Producción y consumo responsable
dc.titleIndustrial Byproduct-Based Concrete Subjected to Carbonation. Electrochemical Behavior of Steel Reinforcement
dc.typeartículo
dc.volumen7
sipa.codpersvinculados99804
sipa.indexWOS
sipa.indexScopus
sipa.trazabilidadCarga SIPA;09-01-2024
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