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Permeabilidad de hormigón reciclado estructural

Authors: Thomas García, Carlos||; Setién Marquínez, Jesús||; Polanco Madrazo, Juan Antonio||; Cimentada Hernández, Ana Isabel||;

Permeabilidad de hormigón reciclado estructural

Abstract

En este trabajo se presentan los principales resultados obtenidos de una serie de investigaciones encaminadas a analizar las propiedades de durabilidad del hormigón estructural incorporando áridos reciclados de hormigón. Uno de los aspectos más desconocidos de los hormigones reciclados está relacionado con su durabilidad. La mayoría de los resultados encontrados en la literatura no son comparables entre sí debido a la heterogeneidad de los áridos reciclados, distintas relaciones agua/cemento, los tipos de cemento utilizados, etc. En esta investigación, se han comparado las características de 24 distintas dosificaciones de hormigón con sustitución parcial y total de árido reciclado. Se han analizado las propiedades físicas y mecánicas y la permeabilidad al agua y al oxígeno como indicadores de la durabilidad. La durabilidad de los hormigones fabricados con árido reciclado es menor a la de los hormigones de control debido a la alta porosidad que el árido reciclado introduce en el hormigón y que puede ser el origen de ciertos daños en la estructura. Estas pérdidas de durabilidad disminuyen para bajas relaciones agua/cemento. Sin embargo, tras el análisis mecánico se observa que la influencia del árido reciclado es menor para las altas relaciones agua/cemento.

Keywords

Reciclaje, Propiedades mecánicas, Hormigón reciclado, Concreto de agregado reciclado, Microestructura, Durabilidad, Propiedades físicas

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selected citations
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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).
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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.
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