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Recommendations of RILEM TC 252-CMB on the Effect of Short Term Aging Temperature on Long Term Properties of Asphalt Binder

  • Lily D. PoulikakosEmail author
  • Bernhard Hofko
  • Augusto Cannone Falchetto
  • Laurent Porot
  • Gilda Ferrotti
  • Peter Mikhailenko
Conference paper
Part of the RILEM Bookseries book series (RILEM, volume 20)

Abstract

The Rilem Technical Committee on Chemo Mechanical Characterization of Bituminous Materials has investigated the effect of short term aging temperature on long term properties of asphalt binder, chemically, physically and microstructurally. The increased use of warm mix asphalt (WMA) technologies warrants such investigations in order to validate laboratory aging procedures. To this end, penetration, softening point, Fourier Transform Infrared Spectroscopy, dynamic shear rheology (DSR) and electron microscopy (ESEM) were used. The experimental results on binders and warm (WMA) and hot (HMA) mixtures from nine participating laboratories indicate that the binder source, as well as method of evaluation, result in different rankings and behaviors among the four binders used. The TC recommends the development of appropriate RTFOT aging temperatures for the simulation of binder aging in WMA.

Keywords

Aging WMA RTFOT PAV DSR FTIR ESEM Asphalt Bitumen 

Notes

Acknowledgements

The authors would like to acknowledge the contributions of the active members of the Rilem 252-CMB technical committee in terms of experimental results and supplying bitumen samples.

References

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Copyright information

© RILEM 2019

Authors and Affiliations

  • Lily D. Poulikakos
    • 1
    Email author
  • Bernhard Hofko
    • 2
  • Augusto Cannone Falchetto
    • 3
  • Laurent Porot
    • 4
  • Gilda Ferrotti
    • 5
  • Peter Mikhailenko
    • 6
  1. 1.EMPA, Swiss Federal Laboratories for Materials Science and TechnologyDübendorfSwitzerland
  2. 2.Technische Universität WienViennaAustria
  3. 3.Technische Universität BraunschweigBraunschweigGermany
  4. 4.Kraton Chemical B.V.ParisFrance
  5. 5.Università Politecnica delle MarcheAnconaItaly
  6. 6.University of WaterlooWaterlooCanada

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