High volume fly ash concrete activated with naoh, sodium sulfate and limestone

Elaboración de concretos con altos reemplazos de cenizas volantes y activación con naoh, sulfato de sodio y caliza

dc.creatorSalazar Carreño, Dimelsa
dc.creatorGarcía-Cáceres, Rafael Guillermo
dc.creatorSanta, Alejandra
dc.date2023-02-15T16:48:44Z
dc.date2023-02-15T16:48:44Z
dc.date2022
dc.date.accessioned2023-10-03T20:01:34Z
dc.date.available2023-10-03T20:01:34Z
dc.identifierD. Salazar-Carreño, R. García-Cáceres & A. Santa, “High volume fly ash concrete activated with naoh, sodium sulfate and limestone,” INGE CUC, vol. 18, no. 1, pp. 243–250, 2022. DOI: http://doi.org/10.17981/ingecuc.18.1.2022.17
dc.identifier0122-6517
dc.identifierhttps://hdl.handle.net/11323/9908
dc.identifier10.17981/ingecuc.18.1.2022.17
dc.identifier2382-4700
dc.identifierCorporación Universidad de la Costa
dc.identifierREDICUC - Repositorio CUC
dc.identifierhttps://repositorio.cuc.edu.co/
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/9173953
dc.descriptionIntroducción— Las grandes cantidades de cenizas volantes que se obtienen como subproducto de la combustión del carbón en las termoeléctricas han generado preocupación por su impacto ambiental, por ejemplo, en Colombia este residuo representa la cantidad de 6 millones de toneladas al año. Dentro de las estrategias de solución está el aprovechamiento de este residuo en procesos industriales. El residuo cuenta con propiedades puzolánicas útiles en industrias como la del cemento y concreto. Objetivos— La presente investigación tiene como objetivo evaluar la resistencia a la compresión a diferentes edades de concretos con reemplazando cemento por ceniza volante de 40%. Metodología— Se utilizó la activación alcalina con NaOH y activación con sulfato de sodio y caliza, en diferentes proporciones. Resultados— Los resultados mostraron que la activación mejora el desempeño de la ceniza. Conclusiones— Se lograron obtener mejores propiedades mecánicas que sin activación.
dc.descriptionIntroduction— The large quantities of fly ash obtained as a by-product of coal combustion in thermoelectric power plants have generated concern about its environmental impact; for example, in Colombia this waste represents 6 million tons per year. One of the solution strategies is the use of this residue in industrial processes. The residue has pozzolanic properties useful in industries such as cement and concrete. Objectives— The objective of this research is to evaluate the compressive strength at different ages of concrete by replacing cement with 40% fly ash. Methodology— Alkaline activation with NaOH and activation with sodium sulfate and limestone, in different proportions, were used. Results— The results showed that activation improved the performance of the ash. Conclusions— Better mechanical properties were obtained than without activation.
dc.format8 páginas
dc.formatapplication/pdf
dc.formatapplication/pdf
dc.languageeng
dc.publisherCorporación Universidad de la Costa
dc.publisherColombia
dc.relationINGE CUC
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dc.rightsDerechos de autor 2021 INGE CUC
dc.rightsAtribución-NoComercial-SinDerivadas 4.0 Internacional (CC BY-NC-ND 4.0)
dc.rightshttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rightshttp://purl.org/coar/access_right/c_abf2
dc.sourcehttps://revistascientificas.cuc.edu.co/ingecuc/article/view/3415
dc.subjectConcreto
dc.subjectCenizas volantes
dc.subjectActivación
dc.subjectNaOH
dc.subjectSilicato de sodio
dc.subjectCaliza
dc.subjectConcrete
dc.subjectFly ash
dc.subjectActivation
dc.subjectSodium sulfate
dc.subjectLimestone
dc.titleHigh volume fly ash concrete activated with naoh, sodium sulfate and limestone
dc.titleElaboración de concretos con altos reemplazos de cenizas volantes y activación con naoh, sulfato de sodio y caliza
dc.typeArtículo de revista
dc.typehttp://purl.org/coar/resource_type/c_6501
dc.typeText
dc.typeinfo:eu-repo/semantics/article
dc.typehttp://purl.org/redcol/resource_type/ART
dc.typeinfo:eu-repo/semantics/publishedVersion
dc.typehttp://purl.org/coar/version/c_970fb48d4fbd8a85


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