Research Article

An Empirical Model for Geopolymer Reactions Involving Fly Ash and GGBS

Table 5

Trend of silica, alumina, and calcia moles and the ratios of Al/Si, Ca/Si, and Ca/(Si + Al).

CombinationsSiO2 molAl2O3 molCaO molAl/SiCa/SiCa/(Si + Al)

A + B + C (1)0.870.240.220.280.250.20
B + C + D (2)0.830.230.270.280.330.25
C + D + E (3)0.780.230.330.290.420.32
D + E + F (4)0.740.220.380.300.510.40