Table 5.
Mean flexural strength and toughness parameters of FRGM with hybrid fibres.
| Parameters | ARG0.5-S0.5 | PVA1.0-S0.5 | PVA1.0-ARG0.5 | PP1.0-S0.5 | PP1.0-ARG0.5 | |
|---|---|---|---|---|---|---|
| First crack strength (MPa) | 4.56 | 4.02 | 4.89 | 5.67 | 4.7 | |
| Flexural strength (MPa) | 5.29 | 4.7 | 4.89 | 5.69 | 4.7 | |
| Standard deviation flexural strength | 0.45 | 0.38 | 0.35 | 0.28 | 0.31 | |
| Toughness indices | I5 | 5.06 | 4.95 | 4.28 | 3.94 | 2.74 |
| I10 | 10.61 | 10.38 | 8.6 | 7.8 | 4.37 | |
| I20 | 21.7 | 21.35 | 16.52 | 15.4 | 6.65 | |
| Residual strength factors | R5,10 | 111 | 108.44 | 86.47 | 77.14 | 32.66 |
| R10,20 | 110.98 | 109.7 | 79.21 | 76.04 | 22.74 | |