Research Article

Emission Reduction Performance of Modified Hot Mix Asphalt Mixtures

Table 4

Type of asphalt and emission reduction rate.

Asphalt typeModifier typesEmission reduction rate (%)

Shandong 70# matrix asphaltWEAM65.9370.50
WES65.3764.89
WEP63.7161.80

Shanxi 70# matrix asphaltWEAM26.1042.60
WES73.7550.00
WEP62.3739.00

Tianjin 70# matrix asphaltWEAM44.0631.94
WES4.5718.32
WEP12.3312.04

SK-70# matrix asphaltWEAM45.4145.41
WES26.5319.39
WEP22.9622.96

Shell 90# matrix asphaltWEAM42.0632.51
WES27.9022.17
WEP45.0633.99

A area SBS asphaltWEAM39.3839.38
WES15.0317.10
WEP14.5021.24

Shanxi SBS asphaltWEAM64.4263.25
WES30.7342.17
WEP28.0348.43

Tianjin SBS asphaltWEAM31.2829.75
WES16.1118.25
WEP35.5526.75

50# matrix asphaltWEAM20.5714.09
WES20.8319.17
WEP11.7238.45

20# hard asphaltWEAM43.9442.62
WES23.3819.02
WEP32.3927.54