Hardened properties of self-compacting concrete with different crumb rubber size and content

This paper aims at investigating the effect of crumb rubber size and content on hardened characteristics of self-compacting concrete. To this end, different self-compacting concrete mixtures were designed at constant water-to-binder ratio of 0.35 and 520kg/m3 of binder content. The class F fly ash w...

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Bibliographic Details
Published in:International journal of sustainable built environment 2017-06, Vol.6 (1), p.191-206
Main Author: Hilal, Nahla Naji
Format: Article
Language:English
Subjects:
Crumb rubber content
Crumb rubber size
Hardened property
Self-compacting concrete
Waste tire
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Summary:This paper aims at investigating the effect of crumb rubber size and content on hardened characteristics of self-compacting concrete. To this end, different self-compacting concrete mixtures were designed at constant water-to-binder ratio of 0.35 and 520kg/m3 of binder content. The class F fly ash was replaced with cement as 30% by weight. Six designated crumb rubber contents of 5%, 10%, 15%, 20%, and 25% and three different sized crumb rubbers (No. 18, No. 5, and mixed crumb rubber) were considered as experimental parameters. According to the obtained results, the use of crumb rubber had a negative effect on the hardened properties of self-compacting concretes and the significant improvement was achieved with addition of all tire wastes types, for ductility.
ISSN:2212-6090
2212-6104
DOI:10.1016/j.ijsbe.2017.03.001