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Effects of Rejuvenator on Reclaimed Asphalt Binder: An Exploratory Study of the RILEM TC 264-RAP Task Group 3

  • Augusto Cannone FalchettoEmail author
  • Laurent Porot
  • Chiara Riccardi
  • Martin Hugener
  • Gabriele Tebaldi
  • Eshan Dave
Conference paper
Part of the RILEM Bookseries book series (RILEM, volume 20)

Abstract

This paper presents the preliminary experimental activity conducted to develop the round robin test (RRT) plan on the use of rejuvenators for the Task Group (TG) 3 on Asphalt Binder for Recycled Asphalt Mixtures as part of the RILEM TC 264-RAP. For this purpose, a reference Reclaimed Asphalt (RA) binder was extracted from a single RA source. This material was then fully characterised with conventional experimental methods and with Fourier Transform Infrared Spectroscopy (FTIR) for evaluating the chemical structure. The RA binder was found to be very hard compared to target binder of PEN50/70 grade and the use of virgin binder cannot restore its properties. In this condition, a rejuvenator dosage of 9% per weight of RA binder is foreseen as optimum value to restore the binder properties close to target PEN50/70 grade for the final binder-rejuvenator blend over a RA content ranging from 60% and 100%.

Keywords

Asphalt binder Reclaimed asphalt pavement Rejuvenator RILEM 

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Copyright information

© RILEM 2019

Authors and Affiliations

  • Augusto Cannone Falchetto
    • 1
    Email author
  • Laurent Porot
    • 2
  • Chiara Riccardi
    • 1
  • Martin Hugener
    • 3
  • Gabriele Tebaldi
    • 4
  • Eshan Dave
    • 5
  1. 1.Technische Universität BraunschweigBrunswickGermany
  2. 2.Kraton Chemical B.V.AlmereThe Netherlands
  3. 3.EmpaDübendorfSwitzerland
  4. 4.Università di ParmaParmaItaly
  5. 5.University of New HampshireDurhamUSA

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