Table 6 Compressive strength of concrete mixtures
From: Full-scale test of precast prestressed concrete double-tee girder for rural bridges
Mixture | Slump (cm) | Compressive strength, f’c (MPa) | ||
|---|---|---|---|---|
3 days | 14 days | 28 days | ||
C1 | 12.5 | – | – | 32.84 |
C2 | 18.5 | 47.0 | 57.75 | 62.28 |
C3 | 22 | 24.9 | 35.67 | 44.73 |
C4 | 19 | 35.1 | 40.20 | 48.69 |
C5 | 19 | 20.9 | 22.65 | 30.57 |