Investigation on Deicing Property of Steel Wool Fiber-Reinforced Asphalt Mixture by Induction Heating

Table 1

Technical properties of SK-90# asphalt binder.

Material	Test items	Unit	Value	Specification
Matrix asphalt binder	Penetration at 25°C	0.1 mm	86	ASTM D5-97
	Ductility at 15°C	Cm	182	ASTM D113-99
	Softening point	°C	47.0	ASTM D36-06
	Wax content	%	1.75	ASTM D3344-90
	Flash point	°C	304	ASTM D92-02
	Specific gravity	Non	1.030	ASTM D70-76
RTFO binder	Mass loss	%	0.15	ASTM D2872-04
	Penetration ratio at 25°C	%	60.5	ASTM D5-97
	Ductility at 10°C	cm	9.8	ASTM D113-99

Rolling thin film oven (RTFO) aged, according to ASTM D2872-04.