Microwave Heating Characteristics of Emulsified Asphalt Repair Materials Incorporated with Steel Slag

Table 1

Properties of emulsified asphalt.

Test items		Unit	Specification	Test results
Residue percentage (1.18 mm sieve)		%	<0.1	0.03
Viscosity	Engra viscosity E25	—	2–30	8.12
	25°C Saybolt viscosity	s	7–100	55
Evaporated residue	Residual content	%	>62	64
	Solubility	%	>97.5	100
	Needle penetration (25°C)	0.1 mm	50–300	65
	Ductility (15°C)	cm	>40	79
Adhesion to coarse aggregate		—	2/3	2/3
Mixing test with aggregate			Even	Even
Storage	1 d	%	<1%	0.3
Stability	5 d		<5%	2.0