Table 4 Data obtained in Phase I.
From: Enhancing high-performance concrete sustainability: integration of waste tire rubber for innovation
Cylindrical specimens 11Â cm Ă— 21Â cm | fc | (MPa) | fct.sp (MPa) |
|---|---|---|---|
7Â days | 98Â days | 98Â days | |
T1 | 37.33 | 62.1 | 4.54 |
33.93 | 65.83 | 3.2 | |
34.46 | 52.16 | 3.74 | |
Average ± deviation | 35.24 ± 1.83 | 60.03 ± 7.07 | 3.82 ± 0.68 |
Coefficient of variation | 5.19% | 11.78% | 17.80% |
T2 | 27.96 | 40.6 | 4.22 |
28.94 | 45.44 | 2.45 | |
29.48 | 30.36 | 2.95 | |
Average ± deviation | 28.79 ± 0.77 | 38.80 ± 7.7 | 3.20 ± 0.91 |
Coefficient of variation | 2.67% | 19.84% | 28.43% |
T3 | 40.22 | 36.04 | 3.89 |
39.83 | 41.21 | 2.95 | |
40.64 | 47.38 | 3.41 | |
Average ± deviation | 40.23 ± 0.41 | 41.54 ± 5.68 | 3.42 ± 0.47 |
Coefficient of variation | 1.02% | 13.67% | 13.74% |
T4 | 40.55 | 50.19 | 5.51 |
45.43 | 51.02 | 4.57 | |
51.98 | 49.35 | 5.43 | |
Average ± deviation | $45.99 ± $5.74 | 50.19 ± 0.84 | 5.17 ± 0.52 |
Coefficient of variation | 12.48% | 1.67% | 10.05% |
