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US 7,758,280 B2Granted
Composition and method for stabilizing road base
AssigneeEnviroad, LLC
InventorsDonald Blackmon, Gerald Shealy, Billy Keith Jones
Life of this patent
Estimating the term…
Abstract
A mixture, comprising of fly ash and an emulsion, where said emulsion is mixed with said fly ash in a range of 5% to 50% of fly ash per an area of a square yard and 0.5 gallons to 2.5 gallons per square yard of the emulsion to said area.
Claims18
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.
1 more element
A method for stabilizing a road base using a coal-combustion by-product, the method comprising:
- tilling an existing roadbed soil;
- blending an amount of a coal-combustion fly ash into the existing roadbed soil at 5 to 50 percent by weight, the amount depending on a type of the existing roadbed soil;
- and
- introducing a quantity of an emulsion to the existing roadbed soil at 0.5 to 2.5 gallons per square yard, the emulsion including a resin base comprising a petroleum resin at 40 to 60 percent by weight, the quantity depending on the type of the existing roadbed soil and a type of the coal-combustion fly ash.
1 more element
A method for stabilizing a road base using a coal-combustion by-product, the method comprising:
- tilling an existing roadbed soil;
- blending an amount of a coal-combustion fly ash into the existing roadbed soil at 5 to 50 percent by weight, the amount depending on a type of the existing roadbed soil, with as little as 5 percent by weight for hard gravel, as much as 50 percent by weight for sand, and approximately 10 to 25 percent by weight for an existing roadbed soil tilled to a depth of approximately 4 to 6 inches;
- and
- introducing a quantity of an emulsion to the existing roadbed soil at 0.5 to 2.5 gallons per square yard, the emulsion including a resin base comprising a petroleum resin at 40 to 60 percent by weight, the quantity depending on the type of the existing roadbed soil and a type of the coal-combustion fly ash.
1 more element
Dependencies are inferred from the claim text.