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Itens para a visualização no momento 11-16 of 16
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 ...
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 ...
Penetração de cloretos em concretos com diferentes tipos de cimento submetidos a tratamento superficial
(Universidade Federal de Santa Maria, 2010-08-31)
The durability characteristics of concrete should be given the same importance as compressive strength when designing concrete structures. Concrete should be able to
withstand the effects of aggressive agents and behave ...
Penetração de cloretos em concretos compostos com cinza de casca de arroz de diferentes teores de carbono grafítico
(Universidade Federal de Santa Maria, 2013-10-10)
In addition to compressive strength, durability is an important variable to be
taken into account in the mix design of concrete. Concrete must be able to withstand
the action of aggressive agents and function as a ...
Estudo dos estados limites de serviço em lajes pré-moldadas de concreto com vigotas tipo trilho
(Universidade Federal de Santa Maria, 2019-11-29)
This study aims to verify the limits imposed by the service limits of excessive vibration and excessive deformation in accordance with ABNT NBR 6118 (2014) for precast concrete molds with rail-type studs and using the ...
Absorção capilar e resistividade elétrica de concretos compostos com cinza de casca de arroz de diferentes teores de carbono grafítico
(Universidade Federal de Santa Maria, 2011-12-15)
There are constant searches for alternatives to reduce the environmental impact in
the production of in consumables, like concrete, that is actually a pollutant. Mineral
additions have been investigated as partial ...