RCA (%) | Compressive strength, fcu (MPa) | Flexural strength, f’c (MPa) | Ratio | Ratio |
0 | 43.02 | 6.23 | 0.181 | 1.062 |
20 | 37.13 | 5.72 | 0.193 | 1.050 |
40 | 35.04 | 6.00 | 0.214 | 1.133 |
60 | 32.68 | 4.23 | 0.162 | 0.827 |
80 | 27.89 | 3.87 | 0.173 | 0.819 |
100 | 26.04 | 3.19 | 0.153 | 0.699 |
Average for 20% - 100% RCA | 0.179 | 0.906a | ||
Standard deviation for 20% - 100% RCA | 0.025 | 0.180 |