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Evaluación mecánica y mineralógica de un cemento de metacaolín utilizando el método de superficie de respuesta.

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dc.contributor.authorDíaz-Villamil, Carlos Arturospa
dc.contributor.authorAlzate-Ramirez, Albert Leonardspa
dc.contributor.authorArias-Jaramillo, Yhan Paulspa
dc.date.accessioned2020-02-03 00:00:00
dc.date.accessioned2022-06-17T20:20:30Z
dc.date.available2020-02-03 00:00:00
dc.date.available2022-06-17T20:20:30Z
dc.date.issued2020-02-03
dc.description.abstractEn este trabajo, un cemento alcalino con base en metacaolín colombiano (MK) es desarrollado. Los activadores usados: 15 % en masa de Na2SiO3 y Na(OH) y Ca(OH)2 se variaron en diferentes concentraciones molares siguiendo un diseño experimental estadístico con modelo de superficie de respuesta. La variable respuesta, resistencia mecánica a compresión, se evaluó en especímenes de pasta cilíndricos a 7 y 14 días de curado a 40 °C. Los ensayos de difracción de rayos X identificaron las fases mineralógicas y cementantes presentes en la pasta producto de la síntesis alcalina. Los resultados analizados mediante software estadísticos permitieron, a través de la ANOVA, identificar un alto nivel de significancia en el factor Na(OH) así como el efecto creciente en la variable respuesta, mientras que el Ca(OH)2 presentó un efecto de curvatura en la región explorada. Las resistencias mecánicas logradas del orden de 34 MPa dan cuenta de la formación de fases cementantes al igual que la presencia de zeolitas tipo A (Na2Al2Si11,85O7,7 5,1(H2O)) en los resultados DRX.spa
dc.description.abstractIn this work, an alkaline cement based on Colombian metakaolin (MK) is developed. The activators used: 15% by mass of Na2SiO3 and Na(OH) and Ca(OH)2 were varied in different molar concentrations following a statistical experimental design with response surface model. The variable response, mechanical resistance to compression, was evaluated in cylindrical paste specimens at 7 and 14 days of curing at 40 ° C. The X-ray diffraction tests identified the mineralogical and cementing phases present in the pulp product of the alkaline synthesis.The results analyzed through statistical software allowed, through the ANOVA, to identify a high level of significance in the Na(OH) factor as well as the increasing effect in the response variable, while the Ca(OH)2 presented a curvature effect in the explored region. Mechanical strengths in the order of 34 MPa account for the formation of cementing phases as well as the presence of type A zeolites (Na2Al2Si11,85O7,7 5,1(H2O)) in the result DRX.eng
dc.format.mimetypeapplication/pdfspa
dc.identifier.doi10.24050/reia.v17i33.1336
dc.identifier.eissn2463-0950
dc.identifier.issn1794-1237
dc.identifier.urihttps://repository.eia.edu.co/handle/11190/5091
dc.identifier.urlhttps://doi.org/10.24050/reia.v17i33.1336
dc.language.isospaspa
dc.publisherFondo Editorial EIA - Universidad EIAspa
dc.relation.bitstreamhttps://revistas.eia.edu.co/index.php/reveia/article/download/1336/1278
dc.relation.citationeditionNúm. 33 , Año 2020spa
dc.relation.citationendpage12
dc.relation.citationissue33spa
dc.relation.citationstartpage33009 pp. 1
dc.relation.citationvolume17spa
dc.relation.ispartofjournalRevista EIAspa
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dc.rightsRevista EIA - 2020spa
dc.rights.accessrightsinfo:eu-repo/semantics/openAccessspa
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dc.rights.creativecommonsEsta obra está bajo una licencia internacional Creative Commons Atribución-NoComercial-SinDerivadas 4.0.spa
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dc.sourcehttps://revistas.eia.edu.co/index.php/reveia/article/view/1336spa
dc.subjectActivación alcalinaspa
dc.subjectrelaciones molaresspa
dc.subjectcementosspa
dc.subjectmetacaolínspa
dc.subjectDOE.spa
dc.subjectAlkaline activationeng
dc.subjectmolar ratioseng
dc.subjectcementseng
dc.subjectmetakaolineng
dc.subjectDOEeng
dc.titleEvaluación mecánica y mineralógica de un cemento de metacaolín utilizando el método de superficie de respuesta.spa
dc.title.translatedMechanical and mineralogical evaluation of a metakaolin cement using the surface response methodeng
dc.typeArtículo de revistaspa
dc.typeJournal articleeng
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