Research Article
[Retracted] Performance of High Strength Concrete Containing Palm Oil Fuel Ash and Metakaolin as Cement Replacement Material
Table 4
Compressive strength of concrete.
| | | 7 d | 28 d | 60 d | 90 d | 180 d |
| | OPC | 63.0 | 72.0 | 79.0 | 82.0 | 85.0 | | M5 | 69.9 | 76.5 | 80.5 | 83.0 | 86.0 | | M10 | 65.8 | 78.5 | 84.0 | 86.7 | 88.0 | | P20 | 60.3 | 75.6 | 85.0 | 87.9 | 88.9 | | P40 | 56.0 | 76.5 | 86.0 | 89.8 | 91.5 | | P15M5 | 63.5 | 73.7 | 83.0 | 86.7 | 89.0 | | P35M5 | 62.4 | 74.6 | 84.8 | 88.4 | 90.8 | | P10M10 | 61.0 | 73.2 | 81.0 | 85.0 | 89.7 | | P30M10 | 60.1 | 73.5 | 82.0 | 86.7 | 89.9 |
|
|
