Effect of Diatomite and Basalt Fibers on Pavement Performance and Vibration Attenuation of Waste Tires Rubber-Modified Asphalt Mixtures

Table 1

Physical properties of asphalt.

Properties	A-90# asphalt		WRA
	Standard	Value	Standard	Value
Density (15°C, g/cm^3)	—	1.016	—	1.025
Penetration (25°C, 0.1 mm)	80–100	91.6	60–100	62.6
Softening point TR＆B (°C)	≥45	46.9	>50	66.5
Ductility (cm)	≥100 (25°C)	>150 (25°C)	≥10 (5°C)	20.9 (5°C)
Elastic recovery (%)	—	—	≥50	74.3