Author
F. Leuzzi
Bio: F. Leuzzi is an academic researcher from University of Salento. The author has contributed to research in topics: Natural rubber & Flexural strength. The author has an hindex of 2, co-authored 2 publications receiving 389 citations.
Papers
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TL;DR: The results of compressive and flexural tests indicated a larger reduction of mechanical properties of rubcrete when replacing coarse aggregate rather than fine aggregate, and the post-cracking behaviour of rubberized concrete was positively affected by the substitution of coarse aggregate with rubber shreds.
292 citations
TL;DR: A research project was undertaken at the University of Salento (Italy) aiming to investigate the mechanical behaviour of concrete reinforced with RSF (recycled steel fibres) recovered from waste tyres by a mechanical process and results obtained are reported.
198 citations
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TL;DR: In this article, the authors present an overview of some of the research published regarding the fresh and hardened properties of rubberized concrete and show that there is a promising future for the use of waste tire rubber as a partial substitute for aggregate in cement concrete.
Abstract: Disposal of waste tire rubber has become a major environmental issue in all parts of the world. Every year millions of tires are discarded, thrown away or buried all over the world, representing a very serious threat to the ecology. It was estimated that almost 1000 million tires end their service life every year and out of that, more than 50% are discarded to landfills or garbage without any treatment. By the year 2030, there would be 5000 million tires to be discarded on a regular basis. Tire burning, which was the easiest and cheapest method of disposal, causes serious fire hazards. Temperature in that area rises and the poisonous smoke with uncontrolled emissions of potentially harmful compounds is very dangerous to humans, animals and plants. The residue powder left after burning pollutes the soil. One of the possible solutions for the use of waste tire rubber is to incorporate into cement concrete. This paper presents an overview of some of the research published regarding the fresh and hardened properties of rubberized concrete. Studies show that there is a promising future for the use of waste tire rubber as a partial substitute for aggregate in cement concrete. It was noticed from literatures that workable concrete mixtures can be made with scrap tire rubber and it is possible to make light weight rubber aggregate concrete for some special purposes. Rubberized concrete shows high resistance to freeze-thaw, acid attack and chloride ion penetration. Use of silica fume in rubberized concrete enables to achieve high strength and high resistance to sulfate, acid and chloride environments.
408 citations
TL;DR: In this paper, the performance of concrete containing polyethylene terephthalate bottles (PET) and polypropylene rubber (PPB) has been investigated and the effect of waste treatments, the size of waste particles and the waste replacement volume on the fresh and hardened properties of concrete.
367 citations
TL;DR: In this article, an attempt has been made to utilize waste rubber tire as partial replacement of fine aggregate in the form of rubber ash and rubber ash with rubber fibers (combined form) with three w/c ratios.
294 citations
TL;DR: The results of compressive and flexural tests indicated a larger reduction of mechanical properties of rubcrete when replacing coarse aggregate rather than fine aggregate, and the post-cracking behaviour of rubberized concrete was positively affected by the substitution of coarse aggregate with rubber shreds.
292 citations
TL;DR: In this paper, the performance of concrete mixtures incorporating 5%, 7.5% and 10% of discarded tyre rubber as aggregate and cement replacements was evaluated. But the results were limited to two sets of concrete specimens.
244 citations