Research Article
Effect of Metakaolin on Strength and Efflorescence Quantity of Cement-Based Composites
Table 4
Compressive strength and percent of relative compressive strength.
| Mix | Compressive strength (MPa) | Relative compressive strength (%) | 1 day | 3 day | 7 day | 28 day | 1 day | 3 day | 7 day | 28 day |
| M0 | 12.62 | 25.20 | 28.66 | 40.22 | 100 | 100 | 100 | 100 | M5 | 14.31 | 28.46 | 32.96 | 51.34 | 113 | 113 | 115 | 128 | M10 | 14.78 | 30.54 | 39.18 | 53.46 | 117 | 121 | 137 | 133 | M15 | 15.03 | 37.16 | 44.36 | 55.72 | 119 | 147 | 155 | 139 | M20 | 14.68 | 28.34 | 36.46 | 50.02 | 116 | 112 | 127 | 124 | M25 | 11.76 | 20.88 | 26.82 | 35.96 | 93 | 83 | 94 | 89 |
|
|