Evaluation of ACI-08, EC-2, and EHE-08 prediction models for estimating the mechanical properties of self compacting concrete
DOI:
https://doi.org/10.3989/ic.09.069Keywords:
Self compacting concrete, estimating models, modulus of elasticity, tensile strength, modulus of ruptureAbstract
The objective of this study is to evaluate the applicability of the ACI-08, EC-2, and EHE-08 models for the estimating of the mechanical properties of self-compacting concrete (SCC). The mechanical properties considered are the modulus of elasticity, tensile strength, and modulus of rupture. In order to statistically evaluate the applicability of the models it was necessary to compile an extensive database that included the experimental results for the various mechanical properties analyzed and the exact dosifications of the mixtures. The first part of the study includes an analysis of each one of the models, together with a regression analysis in order to evaluate the behavior and the adaptability to the different models. The specific characterization parameters for each concrete mixture were used to calculate the various mechanical properties applying the different estimation models. The second part of the analysis consisted in comparing the experimental results with the estimated results for all the mixtures in order to evaluate the applicability of these models to SCC.
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