Investigation of Permanent Deformation Behavior of Steel Slag Asphalt Mixture under Indoor Simulation

Table 2

Basic properties of steel slag and basalt.

Materials	Indexes		Measured values	Specification used
Steel slag	Apparent specific gravity	16–19 mm	3.742	ASTM C127
		9.5–16 mm	3.646
		4.75–9.5 mm	3.602
		2.36–4.75 mm	3.573
	Water absorption (%)	16–19 mm	0.51
		9.5–16 mm	1.49
		4.75–9.5 mm	1.87
		2.36–4.75 mm	2.81
	Crushed stone value (%)		10.3	T0316-2005
	Weared stone value (%)		8.5	T0317-2005
Basalt	Apparent specific gravity	0–2.36 mm	2.838	ASTM C127
	Water absorption (%)		2.92