Thermal Properties of Asphalt Mixtures Modified with Conductive Fillers

Table 3

Summarizing thermal properties of asphalt mixture modified with conductive filler (wet mix).

Filler type	Conductive filler content; (% by vol.)	Bulk density; (kg m^−3)	Thermal conductivity, (W m^−1 K^−1)	Specific heat, (J kg^−1 K^−1)	Thermal diffusivity; (mm^2 s^−1)
Control	0	2282	1.866	959	0.853
Graphite	5	2288	1.979	935	0.925
	10	2285	1.983	906	0.958
	15	2281	2.030	886	1.004
	20	2274	2.089	864	1.063
Carbon black	5	2321	1.911	944	0.872
	10	2314	1.916	932	0.888
	15	2298	1.953	922	0.922
	20	2276	1.962	920	0.937
Carbon fiber + graphite	0.5 + 0	2304	1.930	909	0.922
	0.5 + 5	2328	2.025	867	1.003
	0.5 + 10	2338	2.115	816	1.109
	0.5 + 15	2319	2.158	814	1.143
	0.5 + 20	2316	2.177	810	1.160