Research Article
Study on the Influential Factors of Noise Characteristics in Dense-Graded Asphalt Mixtures and Field Asphalt Pavements
Table 3
Mix design of experimental asphalt mixtures.
| | Gradations and asphalt binders | Optimum asphalt contents (%) | Air void percentage (%) | Specific bulk density |
| | SBS-AC10-30 | 4.9 | 5.6 | 2.448 | | SBS-AC10-20 | 3.8 | 11.5 | 2.333 | | SBS-AC10-10 | 3.4 | 14.2 | 2.292 | | SBS-AC16-30 | 4.4 | 4.7 | 2.483 | | SBS-AC13-30 | 4.6 | 5.6 | 2.451 | | AH90-AC10-30 | 4.9 | 6.7 | 2.417 | | 23% rubber (AR23%)-AC10-30 | 5.9 | 6.6 | 2.376 | | 20% rubber (AR20%)-AC10-30 | 6.1 | 6.6 | 2.381 | | 17% rubber (AR17%)-AC10-30 | 6.3 | 6.0 | 2.396 |
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