Fig. 14

SEM of cement samples at different curing conditions: (a₁) 60 ℃, G-cement; (a₂) 60 ℃, MEG-cement; (b₁) 80 ℃, G-cement; (b₂) 80 ℃, MEG-cement, position 1; (b₃) 80 ℃, MEG-cement, position 2; (c₁) 100 ℃, G-cement; (c₂) 100 ℃, MEG-cement.