Research Article
Investigation of the Road Performance of AH-30 Bitumen and Its Mixture: Comparison with AH-70 and SBS-Modified Bitumen
Table 5
Summary of Marshall design results of four types of asphalt mixtures.
| | Technical index | AH70-AC25 | AH30-AC25 | AH30- AC20 | SBS-AC20 | Technical requirements | Test method |
| | Asphalt-aggregate ratio (%) | 5.0 | 4.0 | 4.6 | 4.4 | — | — | | Volume of air voids (%) | 4.2 | 5.3 | 4.7 | 4.9 | 4–6 | T0705 | | Void in mineral aggregate (%) | 13.7 | 15.2 | 14.7 | 14.2 | ≥13 | T0705 | | Voids filled with asphalt (%) | 73.5 | 61.2 | 68.6 | 65.6 | 65–75 | T0705 | | Marshall stability (kN) | 7.4 | 39.5 | 14.51 | 11.2 | ≥8 | T0709 | | Flow value (0.1 mm) | 3.62 | 2.49 | 2.13 | 4.0 | 1.5–4 | T0709 |
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