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Journal of Engineering, Project, and Production Management, 2021, 11(2), 82-88

 

Use and Influence of Tire Rubber Waste Powder in Bitumen Product

 

Leopold Mbereyaho1, Lewis Manzi2, Prince Kamanzi2, and Bertin Nizeyimana2

1Senior Lecturer, Department of Civil, Environmental and Geomatics Engineering, University of Rwanda, College of Science and Technology. P.O Box: 3900 Kigali, Rwanda. E-mail: lmbereyaho2015@gmail.com (corresponding author).
2Graduate Student, Department of Civil, Environmental and Geomatics Engineering, University of Rwanda, College of Science and Technology. P.O Box: 3900 Kigali, Rwanda.

 

Engineering Management

 

Received May 29, 2020; revised July 20, 2020; accepted July 31, 2020

 

Available online August 23, 2020

 

Abstract: The waste generation from old rubber tires has been increasing and causing environmental degradation with the escalation of vehicles number especially in the cities. Bitumen is extensively used in flexible pavement construction and as its manufacturing industries were still growing, the cost has not been much affordable. This study aimed at evaluating the possibility of a partial replacement of ordinary bitumen by tire rubber waste, with the purpose to reduce not only the amount of rubber wastes dispersed in the nature, but also the material cost, while keeping or improving the bitumen product performance. The study used rubber waste powder as partial replacement to ordinary bitumen by 5%, 10%, 15%, and 20% of its weight and, with adequate samples, properties of the bitumen product were investigated, after checking the standard quality of used bitumen 60/70 grade. It was established that more adequate results were achieved at 5% of replacement, which showed the penetration value of 61.66 tenths mm, the softening point value of 52.750C, and the viscosity of 134 sec. Regarding the cost estimation of this new bitumen, a cost reduction of around 5.3% was realized. Therefore, the use of rubber waste powder would contribute not only to the reduction of the quantity of respective waste in the environment, but also influence on the material affordability. The use of other grades of bitumen than 60/70, as well as the strength and durability performance may be a good scope for further studies.

 

Keywords: Bitumen product, heating, penetration, softening point, waste rubber tire, viscosity.

Copyright © Journal of Engineering, Project, and Production Management (EPPM-Journal).

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 4.0 Unported License.

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Citation: Mbereyaho, L., Manzi, L., Kamanzi, P., and Nizeyimana, B. (2021). Use and Influence of Tire Rubber Waste Powder in Bitumen Product. Journal of Engineering, Project, and Production Management, 11(2), 82-88.

DOI: 10.2478/jeppm-2021-0009

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