Quantitative Analysis on Force Chain of Asphalt Mixture under Haversine Loading

Table 2

Asphalt binder properties of SK 70^#.

Index	Unit	Technical requirements	Measured results
Penetration (25°C, 5 s, 100 g)	0.1 mm	60~80	72
Penetration index	—	−1.5~+1.0	−0.94
Ductility (15°C)	cm	≥100	>150
Softening point	°C	≥46	48.2
Solubility (trichloroethylene)	%	99.5	99.92
Paraffin content	%	2.2	1.72
Residue after thin film oven (163°C, 5 h)
Mass loss	%	≤±0.8	0.1
Penetration ratio (25°C)	%	≥61	70.8
Ductility (15°C)	cm	≥15	15