Pozzolanic Material
Mostrando 25-29 de 29 artigos, teses e dissertações.
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25. Beneficiamentos da cinza de casca de arroz residual com vistas à produção de cimento composto e/ou pozolânico / The processing of rice husk ash waste for use in the production of pozzolanic or composite cement
A cinza de casca de arroz é um resíduo agro-industrial decorrente do processo de queima da casca de arroz, sendo largamente encontrada no Rio Grande do Sul, pois, historicamente, este Estado é o maior produtor de arroz no Brasil, com cerca de 45% da produção nacional. Empregada como fonte de energia, a casca de arroz é queimada em diversas empresas; al
Publicado em: 2007
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26. Utilização de pozolanas em compósitos de cimento reforçados com fibras de celulose e PVA. / Pozzolan utilization in cement composites reinforced with celullose and PVA fibers.
Composites reinforced with natural fibers are a good asbestos fibercomposites replacement material, as a result of the great natural fiber avaibility such as coco nut, sisal and cellulose. Durability aspects need to be improved, like the decrease of fiber resistance in alkaline environment causing the loss of mechanical properties of the composites. An alter
Publicado em: 2006
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27. Avaliação de sistemas de reparo para o problema de abrasão do concreto de superfícies úmidas em UHEs
The research field of construction pathology has been steadily growing lately due to natural degradation observed in different structures. In this sense, great attention has been devoted to special concrete structures such as hydroelectric power plants (HPP) because of their complexity and importance, socially as well as economically. One of the pathologies
Publicado em: 2006
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28. Estudo do aproveitamento de resíduos de cerâmica vermelha como substituição pozolânica em argamassas e concretos / Study the use of waste clay products as pozzolanic replacement in mortars and concrete
Portland cement based materials have great potential for providing good waste immobilization solutions, which are both cost effective and also promotes the sustainable development of modern industrial activities. Indeed, several industrial wastes have successfully been used in constructions worldwide, most of them from steel and energy manufacturing processe
Publicado em: 2005
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29. Estudo do aproveitamento de resíduos de cerâmica vermelha como substituição pozolânica em argamassas e concretos
Portland cement based materials have great potential for providing good waste immobilization solutions, which are both cost effective and also promotes the sustainable development of modern industrial activities. Indeed, several industrial wastes have successfully been used in constructions worldwide, most of them from steel and energy manufacturing processe
Publicado em: 2005