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Estudo da carbonatação em concretos com agregado graúdo reciclado de concreto e cinza de casca de arroz
(Universidade do Vale do Rio dos Sinos, 2013-08-16)
This research contributes to the study of concrete carbonation using recycled concrete coarse aggregates (RCA) and rice husk ash (RHA). The use of RHA may contribute to reduce the effects of RCA's high porosity on the ...
Avaliação de concretos produzidos com agregados graúdos reciclados de concreto e cinza de casca de arroz, com ênfase na retração
(Universidade do Vale do Rio dos Sinos, 2013-08-16)
The incorporation of recycled concrete aggregate in new concrete is an alternative to reduce the environmental impacts related to this material. However, their use may increase concrete porosity and change their properties. ...
Influência da pré-molhagem nas propriedades de concretos produzidos com agregado reciclado de concreto
(Universidade do Vale do Rio dos Sinos, 2013-09-05)
Recycled aggregates have high water absorption properties due to its high porosity. It changes the water content of the mixtures, and has implications on the microstructural properties of cement-based materials as those ...