Research Article
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 |
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