Patent ID: 8323398
Filing Date: 2012-12-04
Classification: C04B,Y02P,Y02W

Abstract:
1. A construction material, containing sand, fine aggregates, coarse aggregates, water and a binder, the construction material comprising: (a) from 55 to 80 wt. % of fly ash containing less than wt. 8% of CaO; (b) from 15 to 40 wt. % of blast furnace slag; (c) a chemical activator comprising: from 0.8 to 4 wt. % of alkaline silicates; and from 1.5 to 9 wt. % of alkaline carbonates; and wherein the chemical activator has an silica to alkali molar ratio from 0.1 to 0.55; and (d) a booster comprising at least one strong base.