Durability performance assessment of fly ash concrete using fine recycled aggregates

ilustraciones, fotografías, gráficas, tablas

Autores:: Barragán Ramos, Andrés Felipe

Tipo de recurso:

Fecha de publicación:: 2021

Institución:: Universidad Nacional de Colombia

Repositorio:: Universidad Nacional de Colombia

Idioma:: eng

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oai_identifier_str	oai:repositorio.unal.edu.co:unal/80944
network_acronym_str	UNACIONAL2
network_name_str	Universidad Nacional de Colombia
repository_id_str
dc.title.eng.fl_str_mv	Durability performance assessment of fly ash concrete using fine recycled aggregates
dc.title.translated.spa.fl_str_mv	Evaluación de la durabilidad de concreto con ceniza volante incorporando agregados finos reciclados
title	Durability performance assessment of fly ash concrete using fine recycled aggregates
spellingShingle	Durability performance assessment of fly ash concrete using fine recycled aggregates 690 - Construcción de edificios::691 - Materiales de construcción Hormigón Agregados (Materiales de Construcción) Construcciones de hormigón Concrete Aggregates (building materials) Concrete construction Durabilidad del concreto Corrosión en concreto Agregados reciclados Concreto reciclado Recycled concrete Concrete’s durability Steel rebar corrosion Recycled aggregates
title_short	Durability performance assessment of fly ash concrete using fine recycled aggregates
title_full	Durability performance assessment of fly ash concrete using fine recycled aggregates
title_fullStr	Durability performance assessment of fly ash concrete using fine recycled aggregates
title_full_unstemmed	Durability performance assessment of fly ash concrete using fine recycled aggregates
title_sort	Durability performance assessment of fly ash concrete using fine recycled aggregates
dc.creator.fl_str_mv	Barragán Ramos, Andrés Felipe
dc.contributor.advisor.spa.fl_str_mv	Ríos Fresneda, Camilo Lizarazo Marriaga, Juan Manuel
dc.contributor.author.spa.fl_str_mv	Barragán Ramos, Andrés Felipe
dc.contributor.researchgroup.spa.fl_str_mv	Análisis, Diseño y Materiales Gies
dc.subject.ddc.spa.fl_str_mv	690 - Construcción de edificios::691 - Materiales de construcción
topic	690 - Construcción de edificios::691 - Materiales de construcción Hormigón Agregados (Materiales de Construcción) Construcciones de hormigón Concrete Aggregates (building materials) Concrete construction Durabilidad del concreto Corrosión en concreto Agregados reciclados Concreto reciclado Recycled concrete Concrete’s durability Steel rebar corrosion Recycled aggregates
dc.subject.lemb.spa.fl_str_mv	Hormigón Agregados (Materiales de Construcción) Construcciones de hormigón
dc.subject.lemb.eng.fl_str_mv	Concrete Aggregates (building materials) Concrete construction
dc.subject.proposal.spa.fl_str_mv	Durabilidad del concreto Corrosión en concreto Agregados reciclados Concreto reciclado
dc.subject.proposal.eng.fl_str_mv	Recycled concrete Concrete’s durability Steel rebar corrosion Recycled aggregates
description	ilustraciones, fotografías, gráficas, tablas
publishDate	2021
dc.date.issued.none.fl_str_mv	2021-09-24
dc.date.accessioned.none.fl_str_mv	2022-02-11T14:11:37Z
dc.date.available.none.fl_str_mv	2022-02-11T14:11:37Z
dc.type.spa.fl_str_mv	Trabajo de grado - Maestría
dc.type.driver.spa.fl_str_mv	info:eu-repo/semantics/masterThesis
dc.type.version.spa.fl_str_mv	info:eu-repo/semantics/acceptedVersion
dc.type.content.spa.fl_str_mv	Text
dc.type.redcol.spa.fl_str_mv	http://purl.org/redcol/resource_type/TM
status_str	acceptedVersion
dc.identifier.uri.none.fl_str_mv	https://repositorio.unal.edu.co/handle/unal/80944
dc.identifier.instname.spa.fl_str_mv	Universidad Nacional de Colombia
dc.identifier.reponame.spa.fl_str_mv	Repositorio Institucional Universidad Nacional de Colombia
dc.identifier.repourl.spa.fl_str_mv	https://repositorio.unal.edu.co/
url	https://repositorio.unal.edu.co/handle/unal/80944 https://repositorio.unal.edu.co/
identifier_str_mv	Universidad Nacional de Colombia Repositorio Institucional Universidad Nacional de Colombia
dc.language.iso.spa.fl_str_mv	eng
language	eng
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Mater., vol. 127, pp. 828–842, 2016. A. Mardani-Aghabaglou, C. Yüksel, A. Beglarigale, and K. Ramyar, “Improving the mechanical and durability performance of recycled concrete aggregate-bearing mortar mixtures by using binary and ternary cementitious systems,” Constr. Build. Mater., vol. 196, pp. 295–306, 2019. V. S. Babu, A. K. Mullick, K. K. Jain, and P. K. Singh, “Strength and durability characteristics of high-strength concrete with recycled aggregate-influence of processing,” J. Sustain. Cem. Mater., vol. 4, no. 1, pp. 54–71, 2014. S.-C. Kou, B. Zhan, and C.-S. Poon, “Use of a CO2 curing step to improve the properties of concrete prepared with recycled aggregates,” Cem. Concr. Compos., vol. 45, pp. 22–28, 2014. B. Zhan, C. S. Poon, Q. Liu, S. Kou, and C. Shi, “Experimental study on CO2 curing for enhancement of recycled aggregate properties,” Constr. Build. Mater., vol. 67, pp. 3–7, 2014. B. Lu, C. Shi, Z. Cao, M. Guo, and J. 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Determinación de la resistencia de morteros de cemento hidráulico a la compresión, usando cubos de 50 mm o 2 pulgadas de lado,” 2021. ASTM International, “ASTM C109 / C109M-21, Standard Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 2-in. or [50 mm] Cube Specimens),” 2021. ICONTEC - Instituto Colombiano de Normas Técnicas, “NTC 111 - Cementos. Especificaciones para la mesa de flujo usada en ensayos de cemento hidráulico,” 2021. ICONTEC - Instituto Colombiano de Normas Técnicas, “NTC 3937 - CEMENTOS. ARENA NORMALIZADA PARA ENSAYOS DE CEMENTO HIDRÁULICO,” 2019. ASTM International, “ASTM C778-17, Standard Specification for Standard Sand,” 2017. ICONTEC - Instituto Colombiano de Normas Técnicas, “NTC 1776 - MÉTODO DE ENSAYO PARA DETERMINAR EL CONTENIDO TOTAL DE HUMEDAD EVAPORABLE POR SECADO DE LOS AGREGADOS,” 2019. 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dc.publisher.spa.fl_str_mv	Universidad Nacional de Colombia
dc.publisher.program.spa.fl_str_mv	Bogotá - Ingeniería - Maestría en Ingeniería - Estructuras
dc.publisher.department.spa.fl_str_mv	Departamento de Ingeniería Civil y Agrícola
dc.publisher.faculty.spa.fl_str_mv	Facultad de Ingeniería
dc.publisher.place.spa.fl_str_mv	Bogotá, Colombia
dc.publisher.branch.spa.fl_str_mv	Universidad Nacional de Colombia - Sede Bogotá
institution	Universidad Nacional de Colombia
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spelling	Atribución-NoComercial-SinDerivadas 4.0 Internacionalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Ríos Fresneda, Camilob425c3f92d193c984fe60e377457b9f5600Lizarazo Marriaga, Juan Manuel848bf0fb0ca1a5b59e5247b2bcf522d3600Barragán Ramos, Andrés Felipe01fe1813a3438636be82231505e8bfb7Análisis, Diseño y Materiales Gies2022-02-11T14:11:37Z2022-02-11T14:11:37Z2021-09-24https://repositorio.unal.edu.co/handle/unal/80944Universidad Nacional de ColombiaRepositorio Institucional Universidad Nacional de Colombiahttps://repositorio.unal.edu.co/ilustraciones, fotografías, gráficas, tablasIn Colombia and internationally, the use of the fine fraction of recycled concrete aggregates (RCA) is a highly restrictive practice due to the negative effect of its use in the mechanical and durability-related properties of new concrete. International research has concluded that a satisfactory compressive strength can be achieved using these aggregates, however, the durability effects related to steel bar corrosion by chlorides have not been extensively assessed. In this research, concrete mixes were produced with an RCA replacement of 0%, 20%, 60% and 100%, using fly ash as a supplementary cementing material to evaluate the physical properties, mechanical performance, chloride permeability and steel rebar corrosion using electrochemical techniques at different specimen ages. Results indicate that while some properties are negatively affected by the inclusion of fine RCA; using fly ash is a highly effective mitigation technique to reduce long-term chloride penetration. It was also concluded that the use of recycled aggregates does not increase reinforcement steel’s corrosion risk. Based on these results, an assessment of different international building codes was performed in order to suggest basic requirements for using recycled aggregates for structural concrete production.En Colombia y el mundo, el uso de la fracción fina de los agregados reciclados derivados del concreto (RCA) es una práctica altamente restringida debido al efecto negativo que tienen los mismos en las propiedades mecánicas y de durabilidad. A pesar de que internacionalmente se ha concluido que pueden obtenerse resistencias satisfactorias usando estos agregados, no se ha estudiado extensamente el efecto que tienen los mismos en las propiedades de durabilidad, específicamente aquellas relacionadas a la corrosión debido a cloruros. En esta investigación, fueron realizadas mezclas de concreto con 0%, 20%, 60% y 100% de sustitución de agregados RCA y ceniza volante como cementante adicional con el fin de evaluar las propiedades físicas, desempeño mecánico, permeabilidad a cloruros y corrosión del acero de refuerzo con técnicas electroquímicas a distintas edades. Los resultados indican que a pesar de que algunas propiedades se ven afectadas negativamente por la inclusión de finos reciclados, la ceniza volante es un mitigador altamente efectivo ante la penetración de cloruros a largo plazo y el uso de agregados reciclados no incrementa significativamente el riesgo de corrosión del acero de refuerzo a pesar de su alta alcalinidad. Basado en estos resultados, fue realizado un análisis de códigos de construcción internacionales con el fin de proponer lineamientos básicos que permitan usar estos agregados para la producción de concreto con fines estructurales. (Texto tomado de la fuente).MaestríaMagíster en Ingeniería - EstructurasMateriales para construcción296 páginasapplication/pdfengUniversidad Nacional de ColombiaBogotá - Ingeniería - Maestría en Ingeniería - EstructurasDepartamento de Ingeniería Civil y AgrícolaFacultad de IngenieríaBogotá, ColombiaUniversidad Nacional de Colombia - Sede Bogotá690 - Construcción de edificios::691 - Materiales de construcciónHormigónAgregados (Materiales de Construcción)Construcciones de hormigónConcreteAggregates (building materials)Concrete constructionDurabilidad del concretoCorrosión en concretoAgregados recicladosConcreto recicladoRecycled concreteConcrete’s durabilitySteel rebar corrosionRecycled aggregatesDurability performance assessment of fly ash concrete using fine recycled aggregatesEvaluación de la durabilidad de concreto con ceniza volante incorporando agregados finos recicladosTrabajo de grado - Maestríainfo:eu-repo/semantics/masterThesisinfo:eu-repo/semantics/acceptedVersionTexthttp://purl.org/redcol/resource_type/TMB. 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Colomb., 2019.EstudiantesInvestigadoresMaestrosPúblico generalORIGINAL1026296186.2021.pdf1026296186.2021.pdfTesis de Maestría en Ingeniería - Estructurasapplication/pdf9756033https://repositorio.unal.edu.co/bitstream/unal/80944/3/1026296186.2021.pdfc240b3f7fc2440059452407f4c37f599MD53LICENSElicense.txtlicense.txttext/plain; charset=utf-84074https://repositorio.unal.edu.co/bitstream/unal/80944/4/license.txt8153f7789df02f0a4c9e079953658ab2MD54THUMBNAIL1026296186.2021.pdf.jpg1026296186.2021.pdf.jpgGenerated Thumbnailimage/jpeg4828https://repositorio.unal.edu.co/bitstream/unal/80944/5/1026296186.2021.pdf.jpgb24a0ff0dec9b9c477cbaae85c109252MD55unal/80944oai:repositorio.unal.edu.co:unal/809442024-08-02 23:11:16.945Repositorio Institucional Universidad Nacional de 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EVESURBIFBPUiBMQSBTRUNSRVRBUsONQSBHRU5FUkFMLiAqTEEgVEVTSVMgQSBQVUJMSUNBUiBERUJFIFNFUiBMQSBWRVJTScOTTiBGSU5BTCBBUFJPQkFEQS4gCgpBbCBoYWNlciBjbGljIGVuIGVsIHNpZ3VpZW50ZSBib3TDs24sIHVzdGVkIGluZGljYSBxdWUgZXN0w6EgZGUgYWN1ZXJkbyBjb24gZXN0b3MgdMOpcm1pbm9zLiBTaSB0aWVuZSBhbGd1bmEgZHVkYSBzb2JyZSBsYSBsaWNlbmNpYSwgcG9yIGZhdm9yLCBjb250YWN0ZSBjb24gZWwgYWRtaW5pc3RyYWRvciBkZWwgc2lzdGVtYS4KClVOSVZFUlNJREFEIE5BQ0lPTkFMIERFIENPTE9NQklBIC0gw5psdGltYSBtb2RpZmljYWNpw7NuIDE5LzEwLzIwMjEK

Durability performance assessment of fly ash concrete using fine recycled aggregates

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