An Endeavour to Decrease CO2 Outflow through Efficient use of Supp;ementary Cementitious Materials in Construction

Massive construction demand in today's world poses a significant threat to the environment owing to its bulk utilization of cement (as a binder material). Cement tends to be an important ingredient for producing qualitative concrete. On the contrary, higher production of cement may lead to high emission of CO2 gas which itself is a great concern for the environment as well as society. In order to overcome this issue, several types of research have been carried out to reduce the percentage usage of cement in concrete through partial replacement of supplementary cementitious materials (SCMs). Several SCMs like fly ash, rice husk ash, GGBS, silica fume, metakaolin etc. are recommended to be used as a partial replacement of cement in construction. The utilization of such materials not only enhance the mechanical properties of the cement matrix but also decreases the burden on the environment. In this article, an attempt is made to identify the feasible use of different binding materials as a partial replacement of cement in producing concrete.