Research Article
Investigation of the Road Performance of AH-30 Bitumen and Its Mixture: Comparison with AH-70 and SBS-Modified Bitumen
Table 7
Fatigue test results of three-point bending fatigue.
| Stress ratio | AH30-AC20 | SBS-AC20 | AH30-AC25 | AH70-AC25 | Stress level (MPa) | Fatigue life (times) | Stress level (MPa) | Fatigue life (times) | Stress level (MPa) | Fatigue life (times) | Stress level (MPa) | Stress level (MPa) |
| 0.5 | 6.165 | 498 | 3.13 | 4343 | 5.15 | 1050 | 4.24 | 1111 | 979 | 5467 | 1823 | 1383 | 0.4 | 4.932 | 1552 | 2.054 | 14155 | 4.12 | 7707 | 3.392 | 3684 | 2294 | 20187 | 5431 | 3316 | 0.3 | 3.699 | 3224 | 1.878 | 21284 | 3.09 | 9475 | 2.544 | 7016 | 5649 | 30892 | 8425 | 9437 | 0.2 | 2.466 | 65852 | 1.252 | 127746 | 2.06 | 63900 | 1.696 | 28634 | 84165 | 198230 | 71547 | 37312 | 0.1 | 1.233 | 315516 | 0.626 | 912771 | 1.03 | 130905 | 0.848 | 164436 | 382163 | 987503 | 110480 | 201272 |
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