Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Influence of six rejuvenators on the performance properties of Reclaimed Asphalt Pavement (RAP) binder and 100% recycled asphalt mixtures
Graphical abstract Display Omitted
Highlights Rejuvenators can reduce performance grade to the level of virgin asphalt binder. Use of appropriate rejuvenator dose allows to pass rutting requirement. Rejuvenators improve mixture cracking resistance. Workability or rejuvenated mixtures remained lower than for virgin mixture.
Abstract 100% recycled hot mix asphalt lab samples were modified with five generic and one proprietary rejuvenators at 12% dose and tested for binder and mixture properties. Waste Vegetable Oil, Waste Vegetable Grease, Organic Oil, Distilled Tall Oil, and Aromatic Extract reduced the Superpave performance grade (PG) from 94–12 of extracted binder to PG 64-22 while waste engine oil required higher dose. All products ensured excellent rutting resistance while providing longer fatigue life when compared to virgin mixtures and most lowered critical cracking temperature. Rejuvenated samples required more compaction energy compared to virgin and some oils reduced moisture resistance slightly.
Influence of six rejuvenators on the performance properties of Reclaimed Asphalt Pavement (RAP) binder and 100% recycled asphalt mixtures
Graphical abstract Display Omitted
Highlights Rejuvenators can reduce performance grade to the level of virgin asphalt binder. Use of appropriate rejuvenator dose allows to pass rutting requirement. Rejuvenators improve mixture cracking resistance. Workability or rejuvenated mixtures remained lower than for virgin mixture.
Abstract 100% recycled hot mix asphalt lab samples were modified with five generic and one proprietary rejuvenators at 12% dose and tested for binder and mixture properties. Waste Vegetable Oil, Waste Vegetable Grease, Organic Oil, Distilled Tall Oil, and Aromatic Extract reduced the Superpave performance grade (PG) from 94–12 of extracted binder to PG 64-22 while waste engine oil required higher dose. All products ensured excellent rutting resistance while providing longer fatigue life when compared to virgin mixtures and most lowered critical cracking temperature. Rejuvenated samples required more compaction energy compared to virgin and some oils reduced moisture resistance slightly.
Influence of six rejuvenators on the performance properties of Reclaimed Asphalt Pavement (RAP) binder and 100% recycled asphalt mixtures
Zaumanis, Martins (Autor:in) / Mallick, Rajib B. (Autor:in) / Poulikakos, Lily (Autor:in) / Frank, Robert (Autor:in)
Construction and Building Materials ; 71 ; 538-550
24.08.2014
13 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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