Research Article
Study on the Contact Stress Distribution Model of Asphalt Mixture Particles
Table 3
Performance index of fine aggregate.
| Test project | Unit | Technical requirements | Test results |
| Apparent relative density | g/cm3 | ≥2.5 | 2.922 | Sand equivalent | % | ≥60 | 78 | Sediment concentration (<0.075 mm) | % | ≤3 | 0.8 | Firmness (>0.3 mm) | % | ≤12 | 3.4 |
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