Research Article
Influence of Palm Oil Fuel Ash and W/B Ratios on Compressive Strength, Water Permeability, and Chloride Resistance of Concrete
Table 5
Compressive strengths and chloride ion penetrations of the types of concrete.
| Mix | Compressive strength (MPa)-normalized (%) | Total charge passed (coulombs)-normalized (%) | 28 days | 90 days | 28 days | 90 days |
| 40CT | 50.2-(100) | 55.9-(100) | 3236-100 | 1891-100 | 40P15 | 46.2-(92) | 52.8-(94) | 1798-56 | 823-44 | 40P25 | 43.3-(86) | 50.9-(91) | 1089-34 | 661-35 | 40P35 | 40.0-(80) | 45.8-(82) | 994-31 | 584-31 |
| 50CT | 39.6-(100) | 41.9-(100) | 4507-100 | 3590-100 | 50P15 | 36.4-(92) | 39.5-(94) | 2140-47 | 1012-28 | 50P25 | 34.6-(88) | 35.5-(85) | 1459-32 | 890-25 | 50P35 | 31.7-(80) | 33.9-(81) | 1151-26 | 830-23 |
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