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dc.contributor.advisorKazmierczak, Claudio de Souza
dc.contributor.authorErhart, Rodrigo Lopes
dc.date.accessioned2015-07-06T15:37:46Z
dc.date.accessioned2022-09-22T19:15:21Z
dc.date.available2015-07-06T15:37:46Z
dc.date.available2022-09-22T19:15:21Z
dc.date.issued2014-05-06
dc.identifier.urihttps://hdl.handle.net/20.500.12032/58734
dc.description.abstractThe Portland cement manufacturing industry is one of greatest CO2 generators in the world. It is latent the demand for alternatives with added co-products or by-products in cement in order to minimize the negative environmental impact of cement production. In this context, this work aims to evaluate the performance and the influence of the replacement of cement by rice husk ash (RHA) in mortar coating systems, linked with the porosity of the substrates employed. The materials used on substrates have several characteristics, either their porosity or rugosity, lack of research on the preparation of these substrates. In this work were produced masonry bricks with different sintering degrees. The work deals with the performance of mortar coating systems on ceramic substrates and concrete. Therefore, it will produce ceramic plates with different sintering degrees (750, 900 and 1000 °C). This process provides distinct roughness and porosity. Over the bricks were applied roughcast mortar (1:3 blend), with levels of 5% and 10% (by volume) of rice husk ash from the burning fluidized bed process. Similarly, mortar coating (1:1:6 blend) were applied on roughcasting bricks. The mortars were characterized in fresh and hardened states. The mortars (roughcast and mortar coating) application methods were conducted to minimize the labor influence. For analysis of roughcast mortars adhesion properties were tested direct and indirect methods to estimate the bricks porosity. In parallel, it were investigated the relationship between the brick roughness surfaces and the roughcast adhesion. It was observed in this study, as the complexity of the adhesion phenomenon, that the properties of brick porosity overlap the brick roughness. The rice husk ash tends to improve adhesion only when used on slightly porous brick.en
dc.description.sponsorshipFINEP - Financiadora de Estudos e Projetospt_BR
dc.languagept_BRpt_BR
dc.publisherUniversidade do Vale do Rio dos Sinospt_BR
dc.rightsopenAccesspt_BR
dc.subjectSubstrato cerâmicopt_BR
dc.subjectBricken
dc.titleInfluência do chapisco com cinza de casca de arroz na aderência de argamassa em substratos cerâmicos com diferentes porosidadespt_BR
dc.typeDissertaçãopt_BR


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