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

Table 4

Drying shrinkage of Portland cement mortars at water/cement ratio of 0.54 (%).

Group	PC (Portland cement)	APC (alkali-activated Portland cement)
Curing temperature (°C)	23
Sand/slag ratio	2
3 days	0.000	0.000
7 days	0.080	0.196
14 days	0.107	0.364
21 days	0.113	0.442
28 days	0.127	0.466
35 days	0.139	0.473
42 days	0.139	0.475
49 days	0.142	0.479
56 days	0.146	0.484