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Concreto autocompactante con altos contenidos de subproductos de la combustión de carbón

Authors: Yimmy Fernando Silva Urrego; William Gustavo Valencia Saavedra; Silvio Delvasto Arjona;

Concreto autocompactante con altos contenidos de subproductos de la combustión de carbón

Abstract

El concreto autocompactante (CAC) se ha considerado como un gran logro en la tecnología del concreto debido a sus grandes ventajas como la auto-compactabilidad. Para tener esta propiedad el concreto fresco debe demostrar una alta fluidez, resistencia a la segregación y una buena cohesión. Con el propósito de evaluar estas propiedades, además de utilizar un subproducto de la combustión del carbón como la ceniza volante (CV) y la escoria de parrilla (E) se prepararon varias mezclas de concreto autocompactante remplazando el cemento en un 35% y 50% de cada una de estas adiciones. A los cuales se les evaluaron sus propiedades, tanto en estado fresco como en endurecido, las propiedades en estado fresco fueron evaluadas mediante el flujo de asentamiento, el embudo en V y la caja en L, en estado endurecido se evaluaron propiedades mecánicas (resistencia a la compresión, tracción indirecta y flexión) y de permeabilidad (succión capilar, absorción y porosidad y resistencia a cloruros). Todos los CAC mostraron buenaspropiedades en estado fresco y desarrollaron a los 28 días de curado resistencias a la compresión en un rango de 34 y 48 MPa. Los resultados muestran que el empleo de subproductos de la combustión del carbón pueden ser incorporados en la elaboración de CAC.

Related Organizations
Keywords

propiedades, T1-995, ceniza volante, escoria, TA1-2040, Engineering (General). Civil engineering (General), concreto autocompactante, auto-compactabilidad, Technology (General)

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold