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Vol. 29. Núm. 1.
Materiais 2015
Páginas e204-e209 (Enero - Abril 2017)
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Vol. 29. Núm. 1.
Materiais 2015
Páginas e204-e209 (Enero - Abril 2017)
Acceso a texto completo
Effect of incorporating different waste materials in bitumen
Visitas
1129
Sara Fernandesa,
Autor para correspondencia
id4966@alunos.uminho.pt

Corresponding author.
, Liliana Costaa, Hugo Silvab, Joel Oliveirab
a Department of Civil Engineering, University of Minho, Guimarães 4800-058, Portugal
b CTAC – Territory, Environment and Construction Centre, University of Minho, Guimarães 4800-058, Portugal
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Abstract

The increasing environmental concern about waste materials and the necessity of improving the performance of asphalt mixtures prompted the study of incorporating different waste materials in conventional bitumen. The reuse of waste materials can present benefits at an environmental and economic level, and some wastes can be used to improve the pavement performance. Thus, the purpose of this study is to evaluate the incorporation of different waste materials in bitumen, namely waste motor oil and different polymers. In order to accomplish this goal, 10% of waste motor oil and 5% of polymers (high density polyethylene, crumb rubber and styrene-butadiene-styrene) were added to a conventional bitumen and the resulting modified bitumens were characterized through basic and rheological tests. From this work, it can be concluded that the incorporation of different waste materials improves some important properties of the conventional bitumen. Such improvements might indicate a good behaviour at medium/high temperatures and an increase of fatigue and rutting resistance. Therefore, these modified bitumens with waste materials can contribute to a sustainable development of road paving industry due to their performance and environmental advantages.

Keywords:
Modified bitumen
binder properties
waste materials
waste motor oil
polymers
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Copyright © 2017. Portuguese Society of Materials (SPM)
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