Research of Method for Improving Antifreeze-Thaw Performance Based on Asphalt Mixture Freeze-Thaw Damage Development Process

Table 1

Technical index of Liaohe-90 # matrix heavy traffic asphalt.

Test item		Unit	Measurement	Technical criterion
Penetration (25°C, 100 g, 5 s)		0.1 mm	84	80∼100
Ductility (5 cm/min, 15°C)		cm	>140	≥100
Softening point		°C	48.5	42∼52
Flash point		°C	280	>245
Wax content (distillation)		%	1.6	2.2
Density (15°C)		g/cm^3	1.033	—
Solubility (trichloroethylene)		%	99.5	99.5
TFOT	Mass loss	%	0.5	±0.8
	Penetration ratio	%	68	≥57