Road Performance and Ice-Melting Characteristics of Steel Wool Asphalt Mixture

Table 2

Basic indexes of aggregates.

Technical index		Unit	Requirement	Test value	Testing standard
Course aggregates	Crushing value	%	≤26	20	T0316-2005
	Wear loss of Losangeles	%	≤28	21	T0317-2005
	Water absorption	%	≤2.0	0.81	T0304-2005
	Polishing value	%	≥42	45	T0314-2000
Fine aggregates	Apparent density	t/m^3	≥2.50	2.675	T0330-2005
	Sand equivalent	%	≥60	65.2	T0334-2005
	Methylene blue value	g/kg	≤2.5	2.0	T0349-2005