Table 5 Compressive strength development of concrete mixtures.
From: Comparison of Strength–Maturity Models Accounting for Hydration Heat in Massive Walls
Mixture | Specimens | Compressive strength (MPa) at different ages (days) | ||||||
|---|---|---|---|---|---|---|---|---|
3 | 7 | 14 | 28 | 56 | 91 | |||
S5 | Field-cured cylinder | 21.5 | 37.9 | 50.9 | 58.9 | 67.5 | 75.8 | |
Core (location drilled from walls) | Top surface | 32.4 | 49.2 | 61.9 | 65.3 | 65.5 | 66.7 | |
Top center | 34.4 | 48.5 | 62.8 | 66.0 | 66.6 | 67.0 | ||
Middle surface | 36.6 | 51.4 | 64.7 | 68.3 | 68.3 | 69.7 | ||
Middle center | 44.9 | 52.3 | 61.4 | 67.8 | 69.8 | 71.0 | ||
G50 | Field-cured cylinder | 18.4 | 37.5 | 45.5 | 53.4 | 55.4 | 58.9 | |
Core (location drilled from walls) | Top surface | 27.8 | 44.2 | 50.2 | 62.6 | 63.4 | 65.4 | |
Top center | 35.9 | 50.0 | 56.0 | 63.5 | 64.6 | 65.7 | ||
Middle surface | 29.4 | 43.7 | 56.4 | 65.5 | 65.5 | 67.1 | ||
Middle center | 33.6 | 53.0 | 56.2 | 66.0 | 67.0 | 67.6 | ||
G65S5 | Field-cured cylinder | 30.7 | 45.3 | 52.2 | 55.4 | 55.1 | 58.3 | |
Core (location drilled from walls) | Top surface | 32.7 | 48.4 | 54.5 | 56.2 | 56.8 | 58.3 | |
Top center | 43.3 | 54.9 | 57.0 | 60.6 | 58.3 | 60.6 | ||
Middle surface | 35.8 | 48.3 | 55.8 | 59.7 | 61.3 | 62.8 | ||
Middle center | 41.3 | 55.6 | 56.0 | 60.4 | 63.3 | 63.7 | ||