Patent ID: 7758280
Filing Date: 2010-07-20
Classification: C04B,E01C,Y02W,Y10S

Abstract:
1. A road base made from an existing roadbed material and a coal-combustion by-product, the road base comprising: a tilled roadbed soil; a coal-combustion fly ash blended into the tilled roadbed soil at 5 to 50 percent by weight; and a site-specific quantity of an emulsion blended into the tilled roadbed soil after the coal-combustion fly ash, the emulsion including a resin base comprising a petroleum resin at 40 to 60 percent by weight, the site-specific quantity ranging from 0.5 to 2.5 gallons per square yard, depending on a type of the tilled roadbed soil, and further depending on a type of the coal-combustion fly ash.