Bio materials with reclaimed asphalt: from lab mixes properties to non-damaged full scale monitoring and mechanical simulation

Davide Lo Presti, Pierre Hornych, Simon Pouget, Davide Lo Presti, R. Christopher Williams, Juliette Blanc, Ana Jimenez Del Barco Carrion, Jean-Pascal Planche, Emmanuel Chailleux, Laurent Porot

Risultato della ricerca: Article

Abstract

Three innovative environmentally friendly pavement materials, designed with 50% of Reclaimed Asphalt and three different biomaterials (2 bio-additivated bitumens and 1 bio-binder), were produced in an industrial plant. These mixes were tested in lab and also at full scale using an Accelerated Pavement Test facility. The asphalt mix viscoelastic properties were measured in lab and their intrinsic viscoelastic response were simulated. These rheological models are used to simulate the pavement mechanical response using both elastic and viscoelastic multilayer codes. Hence, full scale measurement performed during the full scale test at an early stage (without damages) can be compared with these simulations. The overall prediction accuracy, when all the signals are considered, is between 4% and 8% for all materials. It can be concluded that material characterisation in lab as well as the selected models are well adapted to simulate actual loading state under a moving load, even for these non-conventional mixes. For temperatures lower than 25°C, elastic modelling appears to be sufficient for pavement structural design with the innovative materials tested here
Lingua originaleEnglish
pagine (da-a)S95-S111
Numero di pagine10
RivistaRoad Materials and Pavement Design
Volume20
Stato di pubblicazionePublished - 2019

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Asphalt
Pavements
Monitoring
Test facilities
Structural design
Biomaterials
Binders
Industrial plants
Multilayers
Temperature

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering

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Bio materials with reclaimed asphalt: from lab mixes properties to non-damaged full scale monitoring and mechanical simulation. / Lo Presti, Davide; Hornych, Pierre; Pouget, Simon; Lo Presti, Davide; Williams, R. Christopher; Blanc, Juliette; Barco Carrion, Ana Jimenez Del; Planche, Jean-Pascal; Chailleux, Emmanuel; Porot, Laurent.

In: Road Materials and Pavement Design, Vol. 20, 2019, pag. S95-S111.

Risultato della ricerca: Article

Lo Presti, D, Hornych, P, Pouget, S, Lo Presti, D, Williams, RC, Blanc, J, Barco Carrion, AJD, Planche, J-P, Chailleux, E & Porot, L 2019, 'Bio materials with reclaimed asphalt: from lab mixes properties to non-damaged full scale monitoring and mechanical simulation', Road Materials and Pavement Design, vol. 20, pagg. S95-S111.
Lo Presti, Davide ; Hornych, Pierre ; Pouget, Simon ; Lo Presti, Davide ; Williams, R. Christopher ; Blanc, Juliette ; Barco Carrion, Ana Jimenez Del ; Planche, Jean-Pascal ; Chailleux, Emmanuel ; Porot, Laurent. / Bio materials with reclaimed asphalt: from lab mixes properties to non-damaged full scale monitoring and mechanical simulation. In: Road Materials and Pavement Design. 2019 ; Vol. 20. pagg. S95-S111.
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abstract = "Three innovative environmentally friendly pavement materials, designed with 50{\%} of Reclaimed Asphalt and three different biomaterials (2 bio-additivated bitumens and 1 bio-binder), were produced in an industrial plant. These mixes were tested in lab and also at full scale using an Accelerated Pavement Test facility. The asphalt mix viscoelastic properties were measured in lab and their intrinsic viscoelastic response were simulated. These rheological models are used to simulate the pavement mechanical response using both elastic and viscoelastic multilayer codes. Hence, full scale measurement performed during the full scale test at an early stage (without damages) can be compared with these simulations. The overall prediction accuracy, when all the signals are considered, is between 4{\%} and 8{\%} for all materials. It can be concluded that material characterisation in lab as well as the selected models are well adapted to simulate actual loading state under a moving load, even for these non-conventional mixes. For temperatures lower than 25°C, elastic modelling appears to be sufficient for pavement structural design with the innovative materials tested here",
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AU - Lo Presti, Davide

AU - Hornych, Pierre

AU - Pouget, Simon

AU - Lo Presti, Davide

AU - Williams, R. Christopher

AU - Blanc, Juliette

AU - Barco Carrion, Ana Jimenez Del

AU - Planche, Jean-Pascal

AU - Chailleux, Emmanuel

AU - Porot, Laurent

PY - 2019

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AB - Three innovative environmentally friendly pavement materials, designed with 50% of Reclaimed Asphalt and three different biomaterials (2 bio-additivated bitumens and 1 bio-binder), were produced in an industrial plant. These mixes were tested in lab and also at full scale using an Accelerated Pavement Test facility. The asphalt mix viscoelastic properties were measured in lab and their intrinsic viscoelastic response were simulated. These rheological models are used to simulate the pavement mechanical response using both elastic and viscoelastic multilayer codes. Hence, full scale measurement performed during the full scale test at an early stage (without damages) can be compared with these simulations. The overall prediction accuracy, when all the signals are considered, is between 4% and 8% for all materials. It can be concluded that material characterisation in lab as well as the selected models are well adapted to simulate actual loading state under a moving load, even for these non-conventional mixes. For temperatures lower than 25°C, elastic modelling appears to be sufficient for pavement structural design with the innovative materials tested here

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