Research Article

Strength and Durability Performance of Alkali-Activated Rice Husk Ash Geopolymer Mortar

Figure 4

3D optical microscopic images of geopolymer and control mortars.
(a) 10 M geopolymer mortar
(b) 9 M geopolymer mortar
(c) 8 M geopolymer mortar
(d) 7 M geopolymer mortar
(e) Control mortar