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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
Innovative Application of Scrap-Tire Steel Cords in Concrete Mixes
Author(s)
Ahmed N. Bdour
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DOI:10.17265/2162-5263/2012.04.001
Affiliation(s)
ABSTRACT
Many researchers have
investigated the use of recycled tire products in several traditional civil
engineering materials. This research is exploring the use of steel cords, a by-product of the tire
recycling process, in concrete mixes. Different concrete specimens were
fabricated and tested in uniaxial compression and splitting tensile strength.
The steel cords were substituted into the concrete mix in volumetric
percentages of various ratios. Results show that mechanical properties of concrete
made with steel cords are improved compared with concrete mix made with the
traditional scrap-tires recycled material. Also, results show that even though
the compressive strength is reduced when using steel cords, this reduction is
minimal. When 2% of steel
cords are used there is 18% increase in ductility. Moreover, splitting tensile
tests show that concrete mixtures with any steel cords content have much
greater toughness than control mixture. This mechanical property mix indicates
an excellent potential application of modified concrete mix in structures that
absorb large amount of energy.
KEYWORDS
Steel cords, scrap-tires, splitting tension strength, toughness.
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