Avaliação de misturas asfálticas recicladas mornas com uso de ligantes convencional e modificado por polímero

Authors

  • Kátia Aline Aline Bohn Universidade Federal de Santa Maria
  • Luciano Pivoto Specht Universidade Federal de Santa Maria
  • Chaveli Brondani Universidade Federal de Santa Maria
  • Bethania Machado Correa Universidade Federal de Santa Maria
  • Gustavo dos Santos Pinheiro Universidade Federal de Santa Maria
  • Karlla Gabriella Eidt Universidade Federal de Santa Maria
  • Valdir dos Santos Barboza Junior Universidade Federal de Santa Maria
  • Fernando Dekeper Boeira Universidade Federal de Santa Maria
  • Deividi da Silva Pereira Universidade Federal de Santa Maria

DOI:

https://doi.org/10.14295/transportes.v27i4.1740

Keywords:

Pavement recycling, Warm recycled asphalt mixtures, Polymer modified asphalts.

Abstract

In order to evaluate more sustainable technologies and practices for the pavement area, the behavior of warm recycled asphalt mixtures was studied using conventional binders CAP 50/70 and modified by polymer CAM 60/85-E. Four asphalt mixtures were tested by binder: conventional hot mix, warm (no RAP) and warm mixtures with 25% and 50% RAP (replacing the total mass of virgin aggregates). The samples were design by Superpave methodology and evaluated for strength, deformability, adhesion and cohesion. The warm and conventional asphalt mixtures presented equivalent behavior and the use of modified binder increased the performance of the samples. There was a significant improvement in the properties of mixtures with the use of RAP, highlighting the significant increase in Flow Number and the positive results of adhesion and cohesion, probably due to RAP presenting modified residual binder with polymer.

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References

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Published

2020-04-30

How to Cite

Bohn, K. A. A., Specht, L. P., Brondani, C., Correa, B. M., Pinheiro, G. dos S., Eidt, K. G., Barboza Junior, V. dos S., Boeira, F. D., & Pereira, D. da S. (2020). Avaliação de misturas asfálticas recicladas mornas com uso de ligantes convencional e modificado por polímero. TRANSPORTES, 28(1), 18–32. https://doi.org/10.14295/transportes.v27i4.1740

Issue

Vol. 28 No. 1 (2020)

Section

Artigos

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