Process for cold-in-place recycling using foamed asphalt and...

Details Process for cold-in-place recycling using foamed asphalt and... Process for cold-in-place recycling using foamed asphalt and...

C - Chemistry, Metallurgy

08

L

C08L 95/00 (2006.01) C10C 3/00 (2006.01)

Patent

CA 2733227

Cold-in-place asphalt recycling is disclosed. A foamed asphalt may be produced by injecting water and optionally compressed air into a hot asphalt stream. A lubricating surfactant may be added to the hot asphalt stream to improve performance. The foamed asphalt may be mixed with reclaimed material to provide a uniformly coated paving material that can compacted to a desired density.

Linvention concerne un recyclage à froid in situ dasphalte. Un asphalte expansé peut être fabriqué en injectant de leau et éventuellement de lair comprimé dans un courant dasphalte chaud. Un tensioactif lubrifiant peut être ajouté au courant dasphalte chaud pour améliorer les performances. Lasphalte expansé peut être mélangé avec un matériau de récupération pour obtenir un matériau de revêtement routier enduit de manière uniforme, qui peut être compacté à une densité souhaitée.

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