PATENTS

The cementitious material comprises a cement having a cement mass, and an aggregate having an aggregate mass. The cement mass and the aggregate mass has a combined mass of about 80 to 95 percent of the total mass. The cementitious material also includes a pozzolan composition comprising at least one of a silica fume and a metakaolin. The pozzolan composition is present in an amount of about 4.0 to 6.0 percent of the total mass. The cementitious material further includes an acrylic polymer composition.