Fig. 3From: Effect of Silica Fume on the Volume Expansion of Metakaolin-Based Geopolymer Considering the Silicon-to-Aluminum Molar RatioVolume change ratios of geopolymer specimens: a S/A 1.0, b S/A 1.4, c S/A 1.8, and d S/A 2.0.Back to article page