Research Article

Optimization of CLS Content of Asphalt Mixtures Based on Balanced Mix Design Approach

Table 1

Properties of the asphalt binder used in this study.

TestsMethodsCriteriaResults

Penetration of 25 CASTM D560–7068
Softening point (C)ASTM D3645–5448
Ductility of 25 (cm)ASTM D113100100
Flash point (C)ASTM D92250297
Fire point (C)ASTM D70230315
Specific gravity at 25 CASTM D701.05-1.061.048
DSR at 64 CAASHTO T3151.00 kPa min1.274

BBR at −12 CAASHTO T313Stiffness MPa300 MPa max115
m-value0.300 min0.306