Research Article
Recycled Aggregate Concrete including Various Contents of Metakaolin: Mechanical Behavior
Table 6
Results of flexural strength of all mixes (strength values and normalized strength).
| | Group | Mix designation | Flexural | | Strength (MPa) | Normalized (to mix N00) | Normalized (to mixes: R350/R700/R1000) |
| | Reference group or G0 | N00 | 5.02 | 1 | — | | R350 | 4.65 | 0.93 | 1 | | R700 | 4.25 | 0.85 | 1 | | R1000 | 4.08 | 0.81 | 1 |
| | G1 | R354 | 4.84 | 0.96 | 1.04 | | R358 | 4.89 | 0.97 | 1.05 | | R3512 | 4.94 | 0.98 | 1.06 | | R3516 | 5.07 | 1.01 | 1.09 | | R3520 | 5.39 | 1.07 | 1.16 |
| | G2 | R704 | 4.28 | 0.85 | 1.01 | | R708 | 4.36 | 0.87 | 1.03 | | R7012 | 4.63 | 0.92 | 1.09 | | R7016 | 4.77 | 0.95 | 1.12 | | R7020 | 4.87 | 0.97 | 1.15 |
| | G3 | R1004 | 4.03 | 0.80 | 0.99 | | R1008 | 4.54 | 0.90 | 1.11 | | R10012 | 4.86 | 0.97 | 1.19 | | R10016 | 4.87 | 0.97 | 1.19 | | R10020 | 4.98 | 0.99 | 1.22 |
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