Advances in Materials Science and Engineering

Research Article

An Empirical Model for Geopolymer Reactions Involving Fly Ash and GGBS

Table 3

The details of Al/Si, Ca/Si, and Ca/(Si + Al) moles in each individual batch compositions and their compressive strengths.
Composition fly ash-GGBS (F-G)Ln (Al/Si)Ln (Ca/Si)Ln (Ca/(Si + Al))Ln comp. strength 7 days/(6 M) REVISEDLn comp. strength 28 days/(6 M) REVISEDLn comp. strength 7 days/(8 M) REVISEDLn comp. strength 28 days/(8 M) REVISEDLn comp. strength 7 days/(10 M) REVISEDLn comp. strength 28 days/(10 M) REVISEDLn comp. strength 7 days/(12 M) REVISEDLn comp. strength 28 days/(12 M) REVISEDLn comp. strength 28 days/(8 M) REVISED (−28.55)Ln comp. strength 7 days/(10 M) REVISED (−32.72)Ln comp. strength 28 days/(10 M) REVISED (−27.85)
80F/20G (A)−1.30/−1.63−1.87−27.66−24.97−28.14−23.31−27.8−22.46−23.23−19.6−23.31−27.8−22.46
70F/30G (B)−1.27/−1.37−1.62−27.59−24.88−28.07−23.11−27.74−22.31−23.09−19.32−23.11−27.74−22.31
60F/40G (C)−1.24/−1.08−1.35−27.1−24.56−27.57−22.86−27.26−21.95−22.91−19.25−22.86−27.26−21.95
50F/50G (D)−1.23/−0.87−1.14−26.76−24.15−27.28−22.62−27.03−21.89−22.78−19.21−22.62−27.03−21.89
40F/60G (E)−1.20/−0.65−0.94−26.58−24.05−27.05−22.52−26.74−21.79−22.50−19.13−22.52−26.74−21.79
30F/70G (F)−1.17/−0.49−0.77−26.4−23.96−26.84−22.37−26.53−21.58−22.27−18.87−22.37−26.53−21.58