Research Article

Effect of Warm-Mix Agent EC-120 on Performance of Asphalt Binder and Its Microscopic Mechanism

Table 2

Technical index of SBS I-D modified asphalt.

Technical indexUnitResultsSpecification

Penetration (25°C, 5 s, 100 g)0.1 mm53.930–60
Softening point°C83.4≥70
Ductility @5°Ccm35.0≥25
Relative density @25°C1.027Measured
After TFOT
Mass changes%−0.422±1.0
Residual penetration ratio (25°C, 5 s, 100 g)%70.1≥65
Residual ductility (5°C, 5 cm/min)cm28.4≥15