Frequently the workability of LWC is a lot less than that of NWC for a similar mix composition. The explanation for this, is that the effect of gravity is reduce for lighter mixture (Hassanpour et al., 2012; Anwar Hossain, 2004; Demirboga and Kan, 2012; Kim et al., 2012). Sabaa and Ravindrarajah (1999) documented the common workability che