Patent ID: 8067487

Claim:
A method of making a heavy duty pavement structure comprising: a. forming a layer consisting of an open-graded asphalt mixture, wherein the asphalt mixture comprises between 2.5% and 4.5% asphalt binder based on total weight of the mixture and single sized aggregate having at least 75% crushed faces, wherein the layer consisting of open-grade asphalt contains air voids that range in volume between 20% to 35% after compaction; b. filling the air voids formed within the layer consisting of open-graded asphalt with a non-segregating grout mixture comprising 15.0%-50.0% by weight Portland Cement, 1.0%-25.0% by weight Calcium Aluminate, 0.25%-15.0% by weight Calcium Sulfate, 5.0%-50.0% by weight Silica Sand, 0.02%-1.0% by weight Flow Aid, 0.02%-1.0% by weight Rheological Aid, 0.1%-10.0% by weight Calcium Oxide/Hydroxide, 0.02%-3.0% by weight. Set Retarders, 0.01%-2.0% by weight Fibers, and 1.0%-10.0% by weight Dispersible Polymer; and, c. curing the filled layer.