Functionally graded concrete: porosity gradation to enhance durability under carbonation
Daniel Veras Ribeiro,
Adriana dos Santos Silva,
Cléber Marcos Ribeiro Dias
Abstract:The present paper evaluated the potential application of the functionally graded material (FGM) concept to develop more durable concrete to carbonation, one of the main degradation mechanisms of reinforced concrete structures. Accelerated carbonation tests with controlled temperature (27 ( 2°C), CO2 concentration (3 ( 0.5%) and humidity (65 ( 5%) were carried out in homogeneous concretes and with functional gradation in which the porosity of the material was varied across the slices. For the manufacture of gra… Show more
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