Abstract
AbstractIn the present study, the authors focused mainly on the relationship between the early age hydration characteristics with the damage parameter of hardened concrete. Three different categories of cylindrical samples were taken into consideration, viz. cylinders with varying aggregate size (including mortar and paste), aggregate-to-cement (a/c) ratio, and water-to-cement (w/c) ratio. The acoustic emission (AE) data was collected for first 18 h of hydration process. This study explores the influence of early hydration properties on the overall mechanical strength of hardened concrete. It was inferred that the damage parametrization in early age predicts the overall behavior and compressive strength of samples in the hardened stage. Moreover, the constant trend of damage parameter in each category of samples suggests that the compressive strength characteristics can be predicted in early age itself. The results also showed that in concrete samples, cumulative signal strength follows the same trend as the damage parameter as such it can be also used to predict the mechanical behavior of concrete samples.KeywordsAcoustic emission (AE)Damage parameterEarly hydrationHardened concreteCompressive strength
Published Version
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