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Revista ALCONPAT
On-line version ISSN 2007-6835
Abstract
HERNANDEZ OROZA, A. and CUETARA RICARDO, J. R.. Evaluation of SonReb models for estimating compressive strength in Cuban cement and aggregate concrete. Rev. ALCONPAT [online]. 2023, vol.13, n.1, pp.97-111. Epub Apr 26, 2024. ISSN 2007-6835. https://doi.org/10.21041/ra.v13i1.602.
The objective of the study was to evaluate different SonReb models to estimate the compressive strength in reinforced concrete elements made with Cuban cement and aggregates. Rebound index and ultrasonic pulse velocity measurements were made in 9 columns designed with P-35 ordinary Portland cement mix. Eight models were compared, of which those proposed by RILEM and Tanigawa et al. showed an error of less than 4% with respect to the reference value, determined by breaking of concrete cylinders. The results obtained demonstrate the feasibility of using the models to estimate the compressive strength of concrete, using national materials.
Keywords : rebound schimdt hammer; ultrasonic pulse velocity; SonReb; concrete; compressive strength.