Repeated Uniaxial Compression Test of Permeable Friction Courses Mixtures under Seepage Field and Stress Field Coupling

Table 1

Technical properties of high-viscosity polymer-modified asphalt.

No.	Item	Unit	Requirements	Results
1	Penetration degree (25°C, 100 g, 5 s)	0.1 mm	40–60	48
2	Ductility (5°C, 5 cm/min)	cm	≥ 35	47
3	Softening point TR&B	°C	≥ 85	97
4	Capillary dynamic viscosity, 60°C	kPa·s	400–800	509.6
5	Viscosity, 25°C	N·m	≥ 25	53.3
6	Toughness, 25°C	N·m	≥ 20	35.0
7	Elastic recovery, 25°C	%	≥ 90	99.3