Adhesion Improvement between RAP and Emulsified Asphalt by Modifying the Surface Characteristics of RAP

Table 2

Properties of emulsified asphalt.

	Properties	Test results	Specification values
Evaporation residue	Residue content (%)	60.1	≥55
	Penetration (25^°C, 100 g, 5 s) (0.1 mm)	77.1	50–300
	Ductility (15^°C, 5 cm/min) (cm)	49.8	≥40
Storage stability (%, 25^°C)	1 d	0.4	<1.0
	5 d	4.5	<5.0