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- Title
Simplified material model for concrete containing high-content of tire-derived coarse aggregate under compression loading.
- Authors
El Naggar, Abdelmoneim; El Naggar, Hany; Sadeghian, Pedram
- Abstract
The flexible properties of the shredded rubber tires give rubberized concrete desirable properties such as lower relative density, and better dampening ability, higher toughness, and improved deformability resulting in an enhanced dynamic performance. Limited work has been done in modeling these effects. In this study, natural coarse aggregates in concrete mixes were replaced by volume by shredded tires up to 100% replacement ratios following 10% increments. Compression tests were conducted to investigate the effects of shredded tires on the mechanical properties of concrete. As expected, the results showed a decrease in the compressive strength and the elastic modulus of the concrete as the replacement ratio increase. Due to compatibility, strain at peak values increased and the integrity of the concrete after failure was enhanced. Models describing the effects that shredded tires have on the mechanical properties of the concrete were developed and validated against experimental data from various researchers.
- Subjects
COMPRESSION loads; CONCRETE fatigue; CONCRETE; SPECIFIC gravity; TIRES
- Publication
Canadian Journal of Civil Engineering, 2021, Vol 48, Issue 8, p912
- ISSN
0315-1468
- Publication type
Article
- DOI
10.1139/cjce-2019-0626