Research Article
Emission Reduction Performance of Modified Hot Mix Asphalt Mixtures
Table 4
Type of asphalt and emission reduction rate.
| Asphalt type | Modifier types | Emission reduction rate (%) | | |
| Shandong 70# matrix asphalt | WEAM | 65.93 | 70.50 | WES | 65.37 | 64.89 | WEP | 63.71 | 61.80 |
| Shanxi 70# matrix asphalt | WEAM | 26.10 | 42.60 | WES | 73.75 | 50.00 | WEP | 62.37 | 39.00 |
| Tianjin 70# matrix asphalt | WEAM | 44.06 | 31.94 | WES | 4.57 | 18.32 | WEP | 12.33 | 12.04 |
| SK-70# matrix asphalt | WEAM | 45.41 | 45.41 | WES | 26.53 | 19.39 | WEP | 22.96 | 22.96 |
| Shell 90# matrix asphalt | WEAM | 42.06 | 32.51 | WES | 27.90 | 22.17 | WEP | 45.06 | 33.99 |
| A area SBS asphalt | WEAM | 39.38 | 39.38 | WES | 15.03 | 17.10 | WEP | 14.50 | 21.24 |
| Shanxi SBS asphalt | WEAM | 64.42 | 63.25 | WES | 30.73 | 42.17 | WEP | 28.03 | 48.43 |
| Tianjin SBS asphalt | WEAM | 31.28 | 29.75 | WES | 16.11 | 18.25 | WEP | 35.55 | 26.75 |
| 50# matrix asphalt | WEAM | 20.57 | 14.09 | WES | 20.83 | 19.17 | WEP | 11.72 | 38.45 |
| 20# hard asphalt | WEAM | 43.94 | 42.62 | WES | 23.38 | 19.02 | WEP | 32.39 | 27.54 |
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