• SYED IRFAN SIMNANI

Abstract— Variable density of concrete mix of grade M20 with cement-water ratios ranging from 0.66to 0.54, within 7 to 28days of curing time, were experimentally investigated in this paper. The experiment was carried out to investigate the effect of water-cement ratio on the density of concrete. Density of concrete mixes was found to decrease with decrease in water-cement ratio. Any decrease in water-cement ratio leads to decrease in density of concrete mix. It indicates that any decrease in water-cement ratio leads to decrease in aggregate content which is followed by a decrease in density of concrete mix. From the finding of this research paper, it is found that water-cement ratio plays a pivotal role in the mix design and governs both physical and mechanical properties of the concrete. Thus by considering a suitable water-cement ratio, light, economical and appropriate density and weight of concrete structures can be achieved.

Keywords — water-cement ratio, density of concrete, M20 grade concrete, mix design, physical and mechanical properties.

" Effect of water-Cement Ratio on Density of Concrete ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.4, Issue 10, page no.483-485, October-2017, Available :http://www.jetir.org/papers/JETIR1710080.pdf

" Effect of water-Cement Ratio on Density of Concrete ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.4, Issue 10, page no. pp483-485, October-2017, Available at : http://www.jetir.org/papers/JETIR1710080.pdf