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Efeito da composição granulométrica e da área superficial específica de resíduos de polimento de porcelanato em argamassas autoadensáveis

Authors: Andrea Murillo Betioli; Morgana Fortunato; Ben-Hur Raíra Martins; Juliana Machado Casali; Janaíde Cavalcante Rocha; Giovana Collodetti;

Efeito da composição granulométrica e da área superficial específica de resíduos de polimento de porcelanato em argamassas autoadensáveis

Abstract

Resumo O desenvolvimento de novas tecnologias e o incentivo ao reaproveitamento de resíduos vêm crescendo em função da redução dos prazos nas construções e da preocupação com o meio ambiente. O objetivo deste trabalho foi avaliar a influência da adição de resíduo de polimento de porcelanato (RPP) proveniente de dois lotes de uma empresa em argamassas autoadensáveis. Foram mantidos constantes a relação água/cimento e os teores de aditivos para cada porcentagem de adição de RPP. Observou-se que a granulometria e a área superficial específica afetaram a fluidez e as propriedades mecânicas. A adição do RPP0 (menor área superficial específica e partículas mais grossas) resultou em menor teor de ar incorporado e o aumento de resistência a partir de 10% de adição. Já, o RPP1 (área superficial específica maior e partículas mais finas) diminuiu a fluidez das argamassas mantendo alto o teor de ar incorporado, resultando em ganhos menores de resistência à compressão. Os resultados demonstraram que a influência do teor ar incorporado prevaleceu sobre a possível melhora no empacotamento das partículas e o efeito de nucleação. No entanto, independente do teor e tipo de RPP utilizado, os resultados viabilizaram o uso desses finos em argamassas autoadensáveis.

Keywords

Argamassa autoadensável, Porcelain tile polishing waste, Resíduo de polimento de porcelanato, Self-compacting mortar, Sustainability, Sustentabilidade, argamassa autoadensável; resíduo de polimento de porcelanato; sustentabilidade.

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citations
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!
2
Average
Average
Average
Green
gold