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CONICET Digital
Article . 2013
License: CC BY NC SA
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Propiedades de transporte en hormigones elaborados con agregado reciclado de pavimento

Authors: Zega, Claudio Javier; Casuccio, Marcia Laura; Giaccio, Graciela Marta; Zerbino, Raul Luis;

Propiedades de transporte en hormigones elaborados con agregado reciclado de pavimento

Abstract

El ciclo de vida ideal para los residuos de hormigón es lograr su empleo en la elaboración de nuevos hormigones. Esto presupone ahorro de energía, menor extracción de materiales naturales no renovables y menor cantidad de desechos. La principal diferencia de un agregado reciclado de hormigón respecto a un agregado natural radica en que sus partículas contienen mortero, lo cual le confiere mayor absorción, menor densidad y menor resistencia. Si bien en Argentina se han realizado varios estudios sobre las propiedades de los hormigones reciclados, las aplicaciones en obra son realmente escasas. En este trabajo se presenta un estudio comparativo de las propiedades de transporte evaluadas en hormigones de laboratorio y en testigos extraídos de losas de pavimentos; incluye hormigones convencionales (con agregados naturales) y hormigones que incorporan 50 y 100% de agregado grueso reciclado (AGR) proveniente de la trituración de losas de pavimento. El hormigón con 50% de AGR presentó un comportamiento durable semejante al observado en hormigones convencionales en las evaluaciones realizadas sobre probetas de laboratorio, mientras que en muestras donde se incorporó también agregado fino reciclado se evidenció un incremento en las propiedades de transporte.

The use of waste concrete for the production of new concrete constitute the ideal life cycle of concrete.This assumes energy savings, lower extraction of non-renewable natural materials and less waste. The main difference between recycled concrete aggregate and natural aggregate is that the particles contain mortar, which gives greater absorption, lower density and lower strength. While in Argentina there have been several studies on the properties of recycled concrete, built applications are negligible. In this paper, a comparative study of the transport properties evaluated in laboratory concretes and concrete cores obtained from pavement slabs are presented, including conventional concrete (with natural aggregate) and concrete incorporating 50 and 100% recycled coarse aggregate (RCA) obtained from crushing pavement slabs. In the evaluations conducted on laboratory specimens, concrete with 50% of RCA presented a durable behaviour similar to that observed in conventional concrete, while when recycled fine aggregate was also incorporated an increase in the transport properties was noted.

Fil: Casuccio, Marcia Laura. Provincia de Buenos Aires. Gobernacion. Comision de Investigaciones Cientificas. Laboratorio de Entrenamiento Multidisciplinario para la Investigación Tecnológica; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de La Plata; Argentina

Fil: Zerbino, Raul Luis. Provincia de Buenos Aires. Gobernacion. Comision de Investigaciones Cientificas. Laboratorio de Entrenamiento Multidisciplinario para la Investigación Tecnológica; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de La Plata; Argentina

Fil: Zega, Claudio Javier. Provincia de Buenos Aires. Gobernacion. Comision de Investigaciones Cientificas. Laboratorio de Entrenamiento Multidisciplinario para la Investigación Tecnológica; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina

Fil: Giaccio, Graciela Marta. Provincia de Buenos Aires. Gobernacion. Comision de Investigaciones Cientificas. Laboratorio de Entrenamiento Multidisciplinario para la Investigación Tecnológica; Argentina. Universidad Nacional de La Plata; Argentina

Country
Argentina
Keywords

recycled concrete, propiedades de transporte, Ingeniería, Propiedades de transporte, losas de pavimento, agregado reciclado, hormigón reciclado, propiedades de transporte, losas de pavimento, recycled aggregate, transport properties, pavement slabs, recycled aggregate, recycled concrete, transport properties, Hormigón reciclado, Hormigón, pavement slabs, agregado reciclado, hormigón reciclado, Losas de pavimento, Agregado reciclado

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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
Green