Special works of art: non-destructive tests in reinforced concrete structures of different ages
DOI:
https://doi.org/10.46421/entac.v19i1.2019Keywords:
Concrete, hardness index, carbonation, durability, bridgesAbstract
The concrete of three bridges of different ages (94, 62 and 4 years) in the state of Minas Gerais was characterized, focusing on durability and maintenance. Documentation and construction elements were collected, and the concrete of the three bridges was visually and by non-destructive tests (pacometry, carbonation and sclerometry) analyzed. It was identified the deterioration conditions, the environmental characteristics in which they are inserted (the effect of age and aggressiveness) in correlation with the carbonation and sclerometry of the concrete. Durability was compromised, caused by the high degree of carbonation, insufficient thickness of reinforcement cover and deficiency in mechanical properties.
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