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Carbonatação da camada de cobrimento de protótipos de concreto com cinza volante e cal
(Universidade Federal de Santa Maria, 2005-03-01)
When the armed concrete of the point of view of the durability is observed, observes heterogeneous zone from mold, known as cover concrete that possess distinct characteristics of the zones deepest of the structural parts. ...
Carbonatação acelerada em concretos com adição de cinzas de lodo de estação de tratamento de água
(Universidade Federal de Santa Maria, 2016-07-14)
Carbonation is a natural phenomenon for concrete structures and occurs due to the reaction between CO2, which is concentrated in the environment, and Ca(OH)2, which is present in the cementitious matrix. Carbonation reaction ...
Carbonatação acelerada em concretos compostos com cinza de casca de arroz de diferentes teores de carbono grafítico
(Universidade Federal de Santa Maria, 2014-02-28)
Carbonation is a natural phenomenon observed in carbon structures, and it is a result of the combined presence of CO2 in the environment and moisture. Carbonation may lower the pH of the concrete to such an extent that the ...
Concretos com altos teores de filer calcário em misturas binárias e ternárias com cinza volante: resistência à compressão mecânica, microestrutura e sustentabilidade
(Universidade Federal de Santa Maria, 2021-08-19)
The cement industry produces about 5% of all CO2 emissions that contribute to greenhouse gases, which represents a significant number compared to the worldwide magnitude of its production, with the respective effects of ...
Estudo de carbonatação em concreto armado: causas, diagnósticos e proposta de soluções
(Universidade Federal de Santa Maria, 2023-02-09)
Concrete carbonation is one of the most frequent pathologies in reinforced concrete structures, it consists of the reaction that occurs when the carbon dioxide in the concrete present in the atmosphere penetrates the ...