Research Article

Rheological Characteristics of Tire Rubber-Modified Asphalt following Thermal Variation

Table 2

Three indexes of 4 kinds of rubber-modified asphalt.

Pilot projectsRubber powder content
1# (5%)2# (10%)3# (15%)4# (20%)

Penetration 25°C (0.1 mm)7.906.735.174.93
Softening point (°C)47.4051.1057.4063.90
Ductility 25°C (mm)36.4333.1630.3626.99