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Estudo da microestrutura da camada de cobrimento de concreto com altos teores de cinza volante
(Universidade Federal de Santa Maria, 2004-02-27)
The increase in the durability of the concrete structures causes greater useful life of the same ones, influencing directly in the improvement of the constructions and the quality of life of the inhabitants. So that a ...
Estudo da microestrutura do concreto com adição de cinza de casca de arroz residual sem beneficiamento
(Universidade Federal de Santa Maria, 2008-05-07)
The use of mineral adition in concrete is a widely studied theme for several researchers that looking for features
like: save cement for reducing costs, durability improvement to increase mechanical strenght and use ...
Efeitos nas propriedades mecânicas, elásticas e de deformação em concretos com altos teores de escória e cinza volante
(Universidade Federal de Santa Maria, 2009-03-12)
The use of byproducts and industrial waste as pozzolanic, is an alternative to achieve the sustainability, economy and durability in concrete structures. This survey has as its purpose to analyze the effect on mechanical, ...
Estudo comparativo de ciclo de vida e custo de pilar com diferentes traços de concreto
(Universidade Federal de Santa Maria, 2014-06-26)
The sustainability of concrete structures is fundamental in search for sustainability
in construction sector, since this material composed most of Brazilian works. Therefore,
it is necessary information about environmental ...
Durabilidade do concreto com cinza de casca de arroz natural sem moagem: mitigação da reação álcali-sílica e penetração de cloretos
(Universidade Federal de Santa Maria, 2011-05-06)
Natural rice husk ash (RHA) used in concrete contributes to civil construction sustainability. In fact, RHA is considered a residual pollutant and then it is necessary to destine this material correctly. However, it is ...
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 ...
Propriedades mecânicas e retração do concreto com adição de cinza de casca de arroz natural, sem beneficiamento de moagem
(Universidade Federal de Santa Maria, 2009-02-28)
To present research has for objective investigate the technical feasibility of the job of rice husk ask ungrounded, in concretes for structural ends. This study tries the mechanical properties of axial compression strength, ...
Avaliação de habitações construídas com painéis de PVC preenchidos com concreto
(Universidade Federal de Santa Maria, 2015-01-09)
Brazil has a high deficit of housing. However, it is known that adequate housing condition may reflect in improvements in the quality of life of the population. Aiming the solution of this problem and the delivery of ...
Considerações sobre o concreto composto com cinza de lodo de ETA exposto a altas temperaturas
(Universidade Federal de Santa Maria, 2019-07-18)
The use of concrete admixtures coming from industrial waste or by-products from other
activities has already been a reality with several positive impacts in a world where it is
necessary to predominate the conscious ...