Now showing items 21-26 of 26
RESISTIVIDADE ELÉTRICA DE CONCRETOS CONTENDO DIFERENTES TEORES DE CINZA DE CASCA DE ARROZ
(Universidade Federal de Santa Maria, 2005-10-21)
The durability of reinforced concrete structures derives from the protective effect provided by the concrete cover over the steel rebars. When the passivation of the steel is compromised, the whole structure is liable to ...
RESISTIVIDADE ELÉTRICA DE CONCRETOS COM DIFERENTES TEORES DE ESCÓRIA DE ALTO FORNO E ATIVADOR QUIMICO
(Universidade Federal de Santa Maria, 2005-12-15)
The integrity of the rebars in reinforced concrete structures is related to the chemical and physical protection provided by the concrete layer that covers the steel. The destruction of the passivation layer precedes the ...
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. ...
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, ...
Consideracoes 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 ...
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 ...