A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The Antioxidant Effect of Grape Pomace in Asphalt Binder ; International Journal of Pavement Engineering
Asphalt binder ages on time mainly due to oxidation during mixing, and in service along the years. The aging e#ect will diminish material viscoelastic properties until it becomes brittle. Once asphalt binder reaches its brittle stage, the material will reduce its capability to withstand repeated tra$c loads while in service, (fatigue). There are four methods to enhance fatigue life of an asphalt pavement; among these methods is the use of antioxidants. The work presented in this paper summarises the research work where grape pomace residue has been used as an antioxidant. The research objectives were to evaluate and understand the antioxidant e#ect of this additive. Consistency and rheological tests where used to prove the relative e#ect for reducing aging when adding grape pomace residue. It was possible to demonstrate the antioxidant properties of the additive but at the same time, it was found that the small solid undissolved particles of the additive would produce a secondary e#ect that will it make more di$cult to isolate the pure antioxidant e#ect.
The Antioxidant Effect of Grape Pomace in Asphalt Binder ; International Journal of Pavement Engineering
Asphalt binder ages on time mainly due to oxidation during mixing, and in service along the years. The aging e#ect will diminish material viscoelastic properties until it becomes brittle. Once asphalt binder reaches its brittle stage, the material will reduce its capability to withstand repeated tra$c loads while in service, (fatigue). There are four methods to enhance fatigue life of an asphalt pavement; among these methods is the use of antioxidants. The work presented in this paper summarises the research work where grape pomace residue has been used as an antioxidant. The research objectives were to evaluate and understand the antioxidant e#ect of this additive. Consistency and rheological tests where used to prove the relative e#ect for reducing aging when adding grape pomace residue. It was possible to demonstrate the antioxidant properties of the additive but at the same time, it was found that the small solid undissolved particles of the additive would produce a secondary e#ect that will it make more di$cult to isolate the pure antioxidant e#ect.
The Antioxidant Effect of Grape Pomace in Asphalt Binder ; International Journal of Pavement Engineering
Sandoval-Palma, Gonzalo (author) / Thenoux-Zeballos, Guillermo Alfonso (author) / Molenaar, AA (author) / González, Marcelo (author)
2018-09-04
Article (Journal)
Electronic Resource
English
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