Avaliação do resíduo de óleo vegetal como agente rejuvenescedor de ligantes a partir de análises reológicas e de morfologia de superfície

Authors

  • Patrícia Hennig Osmari COPPE/UFRJ
  • Francisco Thiago Sacramento Aragão COPPE/UFRJ

DOI:

https://doi.org/10.14295/transportes.v24i3.1147

Keywords:

Asphalt Binders, Rejuvenation, Vegetable Oil, Rheology, Surface Morphology.

Abstract

This study evaluates the use of a waste vegetable oil as a rejuvenator of asphalt binders. For that, characteristics of a binder in the stages unaged, aged, and rejuvenated are evaluated based on results of viscosity, dynamic shear modulus and phase angle. In addition, tests to characterize the surface morphology are conducted in an atomic force microscope to identify microscopic changes on the different components of the binder. A procedure to quantify these constituents is pre-sented and employed in the research work. It is expected that the results presented in this paper can promote sustainable engineering practices with the use of waste products that are able to rejuvenate aged asphalt binders, as well as stimulate the development of advanced techniques to characterize the material behavior in different scales and to identify links between them.

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Published

2016-12-01

How to Cite

Osmari, P. H., & Aragão, F. T. S. (2016). Avaliação do resíduo de óleo vegetal como agente rejuvenescedor de ligantes a partir de análises reológicas e de morfologia de superfície. Transportes, 24(3), 48–54. https://doi.org/10.14295/transportes.v24i3.1147

Issue

Vol. 24 No. 3 (2016): Prêmio ANPET de Produção Científica 2015

Section

Prêmio ANPET de Produção Científica winners

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