Influence of Antioxidant-Enhanced Polymers in Bitumen Rheology and Bituminous Concrete Mixtures Mechanical Performance

Table 4

Hamburg wheel tracking testing results.

Parameters	PG70	SP	CP
Max rut depth	13.6 ± 0.2	12.9 ± 0.8	13.2 ± 0.9
Number of passes	6,719 ± 3,208	10,200 ± 31	9,271 ± 1,415
Rutting rate (mm/passes)	0.002 ± .01	0.0012 ± .0001	0.0014 ± .001
SIP	3,525 ± 1,237	6,225 ± 106	4,800 ± 1,980