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/cm3)
—
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
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