Sustainable Development Through HVFAC
The concerns about environment degradation and global warming have led the attention of researchers on
concrete technology towards High Volume Flyash Concrete (HVFAC). Use of HVFA technology is one such step towards
construction of eco-friendly buildings. HVFA concrete is the one in which atleasr 50% of cement content is replaced by
flyash, which otherwise is a waste material if used in concrete will result in waste utilisation , as well as with lower CO2
emission will help in reducing global warming. The state of the art on the use of HVFA technology is presented here.
Various advantages of use of high volumes of flyash in concrete alongwith its effects on concrete in its plastic as well as
hardened state are elaborated herewith.
Keywords - Concrete, Flyash, CO2 emmission, workability, strength of concrete.