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Estimation of Complex Shear Modulus of Binder Blends Produced with RAP Binder and Rejuvenator

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Proceedings of the RILEM International Symposium on Bituminous Materials (ISBM 2020)

Part of the book series: RILEM Bookseries ((RILEM,volume 27))

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Abstract

The linear viscoelastic behavior of various blends of a fresh binder (a straight-run 50/70 penetration grade binder) and a RAP-extracted binder, with and without rejuvenator (a mixture of vegetal oils), was studied. The experimental plan includes a total of 9 binders: fresh binder, RAP binder, 3 blends of RAP binder and rejuvenator and 4 blends of fresh and RAP binders with and without rejuvenator. The rejuvenator content used for blends was 0%, 5%, 10% and 15% by mass of RAP binder within the blends. Complex shear modulus of all blends was obtained by means of Dynamic Shear Rheometer (DSR) tests at temperatures ranging from 25 to 85 °C and for frequencies ranging from 0.1 to 10 Hz. Two different approaches were proposed in order to estimate the norm of complex shear modulus of different binder blends from experimental results obtained for the base constituents. Good correlations with experimental data were observed.

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Author information

Authors and Affiliations

  1. University of Lyon, ENTPE, Lyon, France

    A. Forton, Salvatore Mangiafico, Cédric Sauzéat & Hervé Di Benedetto

  2. University Politehnica Timisoara, Timisoara, Romania

    A. Forton & Paul Marc

Authors
  1. A. Forton
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  2. Salvatore Mangiafico
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  3. Cédric Sauzéat
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  4. Hervé Di Benedetto
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  5. Paul Marc
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Corresponding author

Correspondence to A. Forton .

Editor information

Editors and Affiliations

  1. University of Lyon/ENTPE, Vaulx-en-Velin, France

    Hervé Di Benedetto

  2. University of Waterloo, Waterloo, ON, Canada

    Hassan Baaj

  3. Gustave Eiffel University, Champs-sur-Marne, France

    Emmanuel Chailleux

  4. University of Parma, Parma, Italy

    Gabriele Tebaldi

  5. University of Lyon/ENTPE, Vaulx-en-Velin, France

    Cédric Sauzéat

  6. University of Lyon/ENTPE, Vaulx-en-Velin, France

    Salvatore Mangiafico

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Forton, A., Mangiafico, S., Sauzéat, C., Di Benedetto, H., Marc, P. (2022). Estimation of Complex Shear Modulus of Binder Blends Produced with RAP Binder and Rejuvenator. In: Di Benedetto, H., Baaj, H., Chailleux, E., Tebaldi, G., Sauzéat, C., Mangiafico, S. (eds) Proceedings of the RILEM International Symposium on Bituminous Materials. ISBM 2020. RILEM Bookseries, vol 27. Springer, Cham. https://doi.org/10.1007/978-3-030-46455-4_92

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  • DOI: https://doi.org/10.1007/978-3-030-46455-4_92

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-46454-7

  • Online ISBN: 978-3-030-46455-4

  • eBook Packages: EngineeringEngineering (R0)

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