Table 5 Compressive strength and modulus of elasticity.
Sample | Compressive strength (MPa) | Modulus of elasticity (GPa) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Curing time | ACI Committee 318 (2014) | ASTM C469 (2014) | ||||||||
2 h | 3 h | 4 h | 28 days | |||||||
Average | St. dev. | Average | St. dev. | Average | St. dev. | Average | St. dev. | |||
C-0 | 23.5 | 0.86 | – | – | – | – | 59.8 | 3.40 | – | |
C-2 | 25.8 | 1.63 | – | – | – | – | 56.6 | 2.81 | – | |
C-6 | 17.1 | 1.07 | – | – | – | – | 54.9 | 1.18 | – | |
C-10 | 10.3 | 0.13 | – | – | – | – | 45.4 | 0.75 | – | |
C-H-0 | 13.8 | 0.68 | – | – | – | – | 38.7 | 2.76 | 29.4 | 73.6 |
C-H-2 | 9.91 | 0.77 | – | – | – | – | 35.3 | 2.34 | 28.1 | 27.0 |
C-H-6 | – | – | 9.49 | 0.86 | – | – | 32.4 | 0.65 | 26.9 | 25.0 |
C-H-10 | – | – | – | 11.1 | 2.10 | 29.8 | 2.44 | 25.8 | 31.8 | |
C-M-0 | 12.7 | 2.61 | – | – | – | 33.0 | 6.70 | 27.1 | 66.1 | |
C-M-2 | 8.63 | 2.74 | – | – | – | 23.0 | 1.59 | 22.7 | 20.3 | |
C-M-6 | – | – | 7.28 | 1.59 | – | – | 20.1 | 1.32 | 21.2 | 27.2 |
C-M-10 | – | – | – | – | 8.01 | 0.82 | 25.3 | 1.57 | 23.8 | 90.8 |
C-L-0 | 8.27 | 1.62 | – | – | – | – | 32.6 | 3.45 | 27.0 | 57.0 |
C-L-2 | 9.86 | 1.51 | – | – | – | – | 34.3 | 1.58 | 27.7 | 27.0 |
C-L-6 | – | 6.84 | 1.09 | – | – | 33.6 | 2.13 | 27.4 | 26.5 | |
C-L-10 | – | – | – | 5.94 | 0.39 | 22.0 | 2.61 | 22.1 | 45.1 | |