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Article . 2010 . Peer-reviewed
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ESTUDO MECÂNICO DO CONCRETO DE ALTO DESEMPENHO COM AGREGADO RECICLADO

Authors: Maria da Consolação Fonseca Albuquerque; Aparecido Carlos Gonçalves;

ESTUDO MECÂNICO DO CONCRETO DE ALTO DESEMPENHO COM AGREGADO RECICLADO

Abstract

A utilização de agregados reciclados em concreto, além de minimizar o impacto ambiental diminui o enorme consumo de fontes naturais. Entretanto, os agregados reciclados não são usados na produção de Concreto de Alto Desempenho (CAD) devido à alta capacidade de absorção de água, propriedades instáveis e fraca resistência. Tais dificuldades podem ser minimizadas com a seleção e a substituição parcial do agregado. No presente trabalho os agregados, gerados de demolição das construções, foram selecionados e diferentes porcentagens do mesmo foram usadas em substituição ao agregado natural para confecção do CAD. Os resultados mostraram que o agregado reciclado pode substituir parcialmente o agregado natural, para o mesmo traço, sem perda de resistência e com uma alteração bastante pequena na relação água/ cimento das composições estudadas, havendo necessidade de uma maior quantidade de água para se obter um abatimento igual ao obtido para o concreto sem adição de resíduo.

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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
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