Compressive strength performance of high strength concretes using binary supplementary cementitious materials

Abstract

Cement production is an energy intensive process which also has significant impact on the environment. It is known that production of one ton of cement is associated with release of one ton of CO2 thereby the cement production annually contributes to production of about 1.6 billion tons of CO2 making it approximately 7% of total amount (1, 2). It is this momentous consequence of using cement that has made its replacement such an important task. Supplementary cementitious materials (SCMs) have been used in building construction since many years. Fly ash and silica fume are most commonly used SCMs. The original term used to describe these materials was pozzolana