Strength and Drying Shrinkage of Alkali-Activated Slag Paste and Mortar

Table 3

Tensile strength of Portland cement mortars at water/cement ratio of 0.54 (MPa).

Group	PC (Portland cement)	APC (alkali-activated Portland cement)
Curing temperature (°C)	23
sand/slag ratio	2
3 days	2.02	2.80
7 days	3.68	3.57
28 days	4.40	4.25
56 days	4.77	4.76