Table 3.
Concretes | FA/OPC | OPC | |
---|---|---|---|
Compressive strength (MPa)—28 d | 24.80 | 37.40 | |
Performance test | |||
Exposure to sulphates | Expansion (%) Na2SO4—1100 d | 0.140 (++) | 2.394 (−) |
Compressive strength Na2SO4—1100 d | 49.42 (++) | 24.19 (−) | |
Expansion (%) MgSO4—1100 d | 1.221 (−) | 0.765 (−) | |
Compressive strength MgSO4—1100 d | 21.79 (+) | 22.71 (+) | |
Exposure to CO2 | Carbonation front (mm)—150 d | 33.24 (−) | 16.4 (+) |
Compressive strength—360 d | 23.09 (+) | 42.89 (++) | |
Exposure to chlorides | Chloride permeability (coulombs)—360 d | 1509 (+) | 2499 (−) |
(++) Excellent Performance; (+) Good Performance; (−) Bad performance.