Laboratory Performance Evaluation of Hot Mix Asphalt Mixture Using Belessa Kaolin as a Filler with Superpave Aggregate Gradation

Table 3

Physical properties of aggregate.

Test	Test method	Test result			Specification
		(25–14 mm	(6–14 mm)	(3–6 mm)
Bulk dry specific gravity (GSB)	AASHTO T 85–91	2.638	2.649	2.528	—
Saturated surface dry (SSD)		2.647	2.66	2.571	—
Apparent specific gravity (GSA)		2.66	2.68	2.64	—
Water absorption (%)	BS 812, part 2	0.331	0.427	1.666	<2
Aggregate impact value (AIV) (%)	AASHTO T176-86	8.06			—
Flakiness index (FI)	BS 812 part 105	29.90			<45
Aggregate crushing value (ACV) (%)	BS:812 part 110	17.55			<25
Los Angeles abrasion (LAA) (%)	AASHTO T 96′	11.0			<30