A Review of Asphaltic Crack Healing Approaches and Its Mechanism

Table 1

Conductive particles-bitumen ratio for asphalt mortar systems at different conductive additive content [25].

Conductive additives content (vol %)	Log resistivity (Ωm)
	Graphite	Steel wool	5.83% steel wool + graphite	6.54% steel wool + graphite
5.5	11	9.5	9	N/A
7	10.5	2	8.5	1
10.5	9.8	N/A	8.3	1
13	9.5	N/A	3	1
15.5	8.8	N/A	1.5	1
17	8.5	N/A	1	1
20.5	8	N/A	1	1