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Mostrando ítems 1-10 de 22
Influência da pozolanicidade na ativação alcalina
(Universidade Federal de Minas GeraisBrasilENG - DEPARTAMENTO DE ENGENHARIA MATERIAIS E DA CONSTRUÇÃO CIVILPrograma de Pós-Graduação em Construção CivilUFMG, 2020-01-30)
Geopolymers are low calcium alkali-activated materials. These materials are studiedas an alternative tocement in some civil construction applications. Many geopolymer precursors, such as metakaolin,also are pozzolanic or ...
Mitigação da reação álcali-agregado em concreto com o emprego de resíduo de cerâmica vermelha e metacaulim
(Universidade do Vale do Rio dos Sinos, 2017-05-22)
The use of mineral additions through pozzolans, both naturally and artificially, has been adopted by several civil engineering professionals through the partial substitution of cement primarily in the production of concrete ...
Mitigação da reação álcali-agregado em concreto com o emprego de resíduo de cerâmica vermelha e metacaulim
(Universidade do Vale do Rio dos Sinos, 2017-05-22)
The use of mineral additions through pozzolans, both naturally and artificially, has been adopted by several civil engineering professionals through the partial substitution of cement primarily in the production of concrete ...
Avaliação de parâmetros químicos e mineralógicos de materiais cimentícios suplementares na mitigação da reação álcali agregado
(Universidade do Vale do Rio dos Sinos, 2018-08-16)
Concrete structures produced with cements of high alkali content and reactive aggregates, when located in humid environments are prone to develop a chemical reaction known as the Alkali-Aggregate Reaction (AAR). In order ...
Avaliação de parâmetros químicos e mineralógicos de materiais cimentícios suplementares na mitigação da reação álcali agregado
(Universidade do Vale do Rio dos Sinos, 2018-08-16)
Concrete structures produced with cements of high alkali content and reactive aggregates, when located in humid environments are prone to develop a chemical reaction known as the Alkali-Aggregate Reaction (AAR). In order ...
Influência do teor de sílica e alumina no comportamento pozolânico de materiais cimentícios suplementares
(Universidade do Vale do Rio dos Sinos, 2018-05-28)
The use of supplementary cementitious materials (SCM) in the cement production is an usually strategy to reduce costs, and it can promote the reduce of the CO2 emissions. These materials react with the calcium hydroxide ...
Influência do teor de sílica e alumina no comportamento pozolânico de materiais cimentícios suplementares
(Universidade do Vale do Rio dos Sinos, 2018-05-28)
The use of supplementary cementitious materials (SCM) in the cement production is an usually strategy to reduce costs, and it can promote the reduce of the CO2 emissions. These materials react with the calcium hydroxide ...
Uso de resíduo cerâmico em cimentos ternários tipo LC³ : estudo dos produtos da hidratação
(Universidade do Vale do Rio dos Sinos, 2019-07-23)
The partial replacement of Portland cement by supplementary cementitious materials (SCM) has been shown to be efficient to produce environmentally friendly cements. This study aims to use red ceramic waste (RCW) as calcined ...
Uso de resíduo cerâmico em cimentos ternários tipo LC³ : estudo dos produtos da hidratação
(Universidade do Vale do Rio dos Sinos, 2019-07-23)
The partial replacement of Portland cement by supplementary cementitious materials (SCM) has been shown to be efficient to produce environmentally friendly cements. This study aims to use red ceramic waste (RCW) as calcined ...
Propriedades mecânicas de concretos com diferentes cimentos Portland e com cinza de casca de arroz natural e moída
(Universidade Federal de Santa MariaBREngenharia CivilUFSMPrograma de Pós-Graduação em Engenharia Civil, 2012-06-22)
Due to high rates of emissions of carbon dioxide released in cement production, an
alternative to minimize this pollution is the use of rice husk ash in concrete as partial cement
replacement. This research aims to ...