Patent ID: 8962071
Filing Date: 2015-02-24
Classification: C04B,C08J,C08L,C09D,E01C,Y02A,Y02W,Y10T

Abstract:
1. A cold-in-place asphalt recycling method, which method comprises: milling an existing pavement surface to a desired depth to provide milled bituminous material on-site; combining the milled bituminous material with a foamed asphalt binder formed from a lubricating cationic surfactant in an amount of about 0.05 to about 3 weight percent of the foamed asphalt binder, water, and liquid asphalt binder heated to a temperature sufficient to produce the foamed asphalt binder, to produce a paving material on-site; and compacting the paving material on-site to provide a recycled pavement surface.