Rheological Characteristics of Tire Rubber-Modified Asphalt following Thermal Variation

Table 1

90# matrix asphalt properties and technical requirements.

Pilot projects	Unit	Skill requirement	Measured value	Experiment method	Remarks
Penetration 25°C	0.1 mm	80~100	81	T0604	Qualified
Softening point	°C	≥45	46	T0606	Qualified
Ductility 15°C	cm	≥140	160	T0605	Qualified
Ductility 5°C	cm	≥30	100	T0605	Qualified
Flash point (ductility °C)	°C	≥245	288	T0611	Qualified
Relative density 15°C	g/cm^3	Measured	1.000	T0603	Qualified
Wax content	%	≤2.0	1.78	T0615	Qualified
PI (penetration index)	—	-1.5~+1.0	0.52	T0604	Qualified