Influence of Alkaline Activator Ratio on Compressive Strength of GGBS Based Geopolymer Concrete

Abstract

Due to the ample advantages and quite a lot of applications, 'Geopolymer concrete' is considered to be the alternative of conventional concrete. Moreover it is an eco-friendly and pollution controlled construction materials. The prime objective of this present study is to examine the effect of different activator ratio on the compressive strength of Ground Granulated Blast Furnace Slag(GGBS) based geopolymer concrete. The alkaline solution used in this study is sodium hydroxide (NaOH) and sodium silicate (Na2SiO3) in the ratio of 1:2 1/2. Cube specimens of size 100 x 100 x100 mm are cast and cured at ambient temperature. This study results concluded that the activator ratio 0.30 performs well under compressibility studies.