Research Article
Comparison of Asphalt Mixtures Designed Using the Marshall and Improved GTM Methods
Table 6
Summary table of the optimal oil-stone ratio for selected asphalt mixtures according to the GTM method.
| | Gradation number | Selected oil-stone ratio (%) | Theoretical maximum relative density (g/cm3) | Measured density (g/cm3) | Porosity (%) | Mineral material clearance rate (%) | Saturation (%) | Shear safety factor GSF | Rotation stability factor GSI |
| | 1 | 4.1 | 2.520 | 2.454 | 2.6 | 10.8 | 75.7 | 1.91 | 1.00 | | 2 | 4.0 | 2.518 | 2.445 | 2.9 | 11.0 | 73.6 | 1.93 | 1.00 | | 3 | 4.2 | 2.507 | 2.426 | 3.2 | 11.6 | 72.1 | 1.85 | 1.00 | | 4 | 4.3 | 2.511 | 2.436 | 2.9 | 11.6 | 74.2 | 1.89 | 1.00 |
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