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Penetração de cloretos em concretos compostos com cinza de lodo de estação de tratamento de água em diferentes teores de adição
(Universidade Federal de Santa Maria, 2017-08-31)
The increasing population growth has been responsible for the increasing demand for drinking water and, therefore, an increase in the amount of waste generated in Water Treatment Stations. In the vast majority of municipalities, ...
Retração total e penetração de cloretos de concretos compostos com cinza de CCA de diferentes teores de carbono grafítico
(Universidade Federal de Santa Maria, 2012-02-27)
The use of agro-industrial by-products with pozzolanic properties has become
an alternative in the cement industry because of the increasing consumption of
cement, aiming at the rational use and sustainability of the ...
Retração total e penetração de cloretos em concretos compostos com cinza de lodo de ETA e outras adições minerais
(Universidade Federal de Santa Maria, 2015-12-16)
The use of mineral additions and substitutions in concrete production is highly beneficial to society. When used as substitutes for cement, they provide an alternative destination to polluting waste while contributing to ...
Influência de materiais de proteção superficial na resistividade elétrica e absorção capilar do concreto
(Universidade Federal de Santa Maria, 2011-01-24)
The durability of concrete structures is the result of protective action of concrete over the rebar. When the passivation of steel ceases to exist the structure
becomes vulnerable to the phenomenon of corrosion, which ...
Características de durabilidade de concretos com cinza volante e cinza de casca de arroz com e sem beneficiamento
(Universidade Federal de Santa Maria, 2011-01-27)
The construction industry has been studying the possibility of using industrial subproducts, as a strategy to remedy the environmental matters, considering that the
sub-products are generated in large quantities and mostly ...
Microestrutura e durabilidade a cloretos de protótipos de concreto com cinza de casca de arroz com e sem moagem prévia
(Universidade Federal de Santa Maria, 2013-02-27)
Cement is the main component of concrete, which is the second most common
material used by man. The cement manufacturing process is largely responsible for
the emission of carbon dioxide in the atmosphere. The construction ...
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 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 ...
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 ...