Study on Properties of Drainage SBS Modified Asphalt Mixture with Fiber

Table 1

Technical indicators of 70 matrix asphalt.

Test metric		Test result	Specification requirement	Test method
Needle penetration (25°C, 100 g, 5 s) (0.1 mm)		68.2	60∼80	T0604
Softening point (ball and ring method) (°C)		57.2	≥46.0	T0606
Ductility (5 cm/min, 15°C) (cm)		106.3	≥100	T0605
Flash point (°C)		268	≥260	T0611
Density (g·cm^−3)		1.025	Actual measurement	T0603
Solubility (%)		99.7	≥99.5	T0607
After RTFOT	Mass variation (%)	−0.1	−0.8∼+0.8	T0610
	Penetration ratio (%)	72.1	≥61	T0604
	Ductility (5 cm·min^−1, 15°C) (cm)	7	≥6	T0605