Variability of the bond and mechanical properties of self-compacting concrete
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This main objective of this research is to evaluate the variability of the mechanical properties (compressive strength, modulus of elasticity and tensile strength) and bond strength of the self-compacting concrete (SCC), with 50 MPa compressive strength at 28 days, varying the maximum aggregate size and the SCC fluidity. The tests were made in 15 x 30 cm concrete cylinders and in beams standardized by Rilem-Ceb-Fib (1973). In agreement with the obtained results, can be concluded that the variability of the self-compacting concrete is small for the modulus of elasticity and for the compressive strength, but the tensile strength presented a significant variability due to the failure mode. About the bond strength, the variability was small showing that the self-compacting concrete is reliable and possesses great potential for use in the civil construction.
CitationMenezes de Almeida, F., Barragán, B.E., Casas, J., El Debs, A. Variability of the bond and mechanical properties of self-compacting concrete. "IBRACON structures and materials journal", Març 2008, vol. 1, núm. 1, p. 31-57.
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