Journal
CONSTRUCTION AND BUILDING MATERIALS
Volume 166, Issue -, Pages 745-759Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2018.01.142
Keywords
Stress-strain curve; Crumb rubber concrete (CRC); Mechanical properties; Slab flexural behavior
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This paper presents the stress-strain behavior of CRC with rubber replacement percentages of 6%, 12% and 18%. The peak stress, strain at peak stress, modulus of elasticity, energy dissipation ability and the constitutive model under uniaxial compression were examined. Constitutive models for traditional concrete (TC) were applied to both TC and CRC. Comparisons between experimental results and the models were made. A constitutive model for unconfined CRC was then developed. A numerical study on the flexural behavior of reinforced CRC slabs was conducted with the application of the stress-strain model developed in the paper and the results agreed well with experimental tests. (C) 2018 Published by Elsevier Ltd.
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