Thermal Properties of Asphalt Mixtures Modified with Conductive Fillers

Table 2

Rheological properties of modified asphalt binders.

Filler type	Conductive filler content; (% by vol.)	/ for unaged binder; (kPa)	/ for RTFO aged; (kPa)	Stiffness,; (MPa)	-value
Control	0	1.8	3.5	206	0.37
Graphite	5	2.0	4.5	257	0.35
	10	2.2	4.5	265	0.32
	15	2.2	4.6	297	0.30
	20	2.3	5.5	343	0.27
Carbon black	5	2.2	4.7	261	0.37
	10	2.4	4.8	275	0.34
	15	2.5	4.8	291	0.32
	20	2.5	5.4	325	0.31