Abstract
The present paper describes the full-scale accelerated test, carried out on asphalt pavements made up with bio-materials, especially designed to help reusing Reclaimed Asphalt (RA) by re-activating the aged binder. Four pavement sections were evaluated: three pavement sections with innovative bio-materials (bio-recycled asphalt mixtures), and a reference section with a conventional, high modulus asphalt mix (EME2). In this study, fatigue resistance was first evaluated in laboratory, with two-points bending test, and then at full scale under heavy traffic loading, with the IFSTTAR accelerated pavement testing facility.
The evolution of bio-materials recycled asphalt mixture characteristics, as well as the pavement distresses, were recorded and analyzed. The structural condition of the pavement sections was monitored periodically through falling weight deflectometer (FWD) measurement as well as with strain gauges and temperature sensors.
Although the reference EME2 mix presented the highest fatigue resistance in laboratory, on the full scale test, the three bio-based asphalt mixtures performed similarly or better than the control EME2 mixture.
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References
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Acknowledgements
This project has received funding from the European Union’s Seventh Framework Programme for research, technological development and demonstration under grant agreement n°607524. BioRePavation is co-funded by Funding Partners of The ERA-NET Plus Infravation and the European Commission.
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Blanc, J. et al. (2020). From Laboratory Mixes Evaluation to Full Scale Test: Fatigue Behavior of Bio-Materials Recycled Asphalt Mixtures. In: Chabot, A., Hornych, P., Harvey, J., Loria-Salazar, L. (eds) Accelerated Pavement Testing to Transport Infrastructure Innovation. Lecture Notes in Civil Engineering, vol 96. Springer, Cham. https://doi.org/10.1007/978-3-030-55236-7_27
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DOI: https://doi.org/10.1007/978-3-030-55236-7_27
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