Research Article
Investigation of Permanent Deformation Behavior of Steel Slag Asphalt Mixture under Indoor Simulation
Table 3
Basic properties of steel slag asphalt mixtures.
| Indexes | AC-16 | AC-20 |
| Asphalt-aggregate ratio (%) | 4.5 | 4.4 | Bulk gravity (g/cm3) | 2.879 | 2.927 | Marshall stability (kN) | 21.0 | 12.5 | VMA (%) | 14.1 | 14.2 | VFA (%) | 71.4 | 72.3 | Residual Marshall stability (%) | 94.1 | 93.8 | Tensile strength ratio (%) | 91.3 | 89.1 |
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