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

Table 8

Marshal test results for different percentages of CSD filler at 4% VIM.

Mix properties	Percent of CSD filler content			Specifications of asphalt institute
	5%	6%	7%	ERA	Asphalt institute
OBC (%)	5.1	5.3	5.5	4–10	4–10
VFA (%)	71.5	72	72.5	65–75	65–75
VMA (%)	14	14.8	14.5	Min. 13	Min. 13
Stability (kN)	11.2	10.5	9.85	Min. 8	Min. 7
Flow (mm)	3.0	3.40	3.25	2–3.5	2–3.5
Bulk density (g/m^3)	2.32	2.31	2.31	—	—
VIM (%)	4	4	4	3–5	3–5