High Early Strength Concrete with Binary and Ternary Blended Cement

Abstract

Cement Industry is a one of the major sources of environmental pollution therefore the reduction of the cement demand should be improved. GGBS and Bauxite is a raw material and it should be reused to reduce the pollution. Thus, this study investigated the use of GGBS and Bauxite as a cement replacement in ternary and binary blended cement on compressive strength. GGBS is an environmentally friendly product and made from a byproduct of iron manufacturing. It is a high quality, low CO2 material. Because GGBS has low embodied CO2, it allows designing concrete mixes for sustainable construction. The manufacture of GGBS requires less than 20 % of the energy and produces less than 10 % of the CO2 emission compared to Portland Cement production. GGBS helps to form a next generation cement that reduces damage to the environment. GGBS reduces the likelihood of concrete thermal cracking, and it improves concrete's resistances to damage from alkali silica reaction, sulphates and chlorides. Concrete in aggressive environments is much more durable with the use of GGBS as a partial replacement for the cement. Bauxite is used in concrete because the iron and aluminum components of the bauxite residue are valuable additions in the production of both Portland Cement and " special " cement clinkers; and it has been shown at a laboratory scale by several research groups that bauxite residue may successfully replace clinker in blended cement.