Effects of Waste Cooking Oil on the Antiageing Ability of Bitumen

Table 4

Burger’s model parameters for PG 64-10.

Burger’s model parameters	Unaged PG 64-10	Aged PG 64-10	Aged PG 64-10 + 3% WCO	Aged PG 64-10 + 5% WCO
EM (kPa)	36.156	24.913	11.682	19.087
NM (kPa-s)	0.510	0.678	0.429	0.141
EK (kPa)	2.185	3.951	6.88  10^−7	3.344
NK (kPa-s)	0.755	3.389	2.173	4.062