Research Article
Studying the Properties of SBS/Rice Husk Ash-Modified Asphalt Binder and Mixture
Table 2
Technical indicators of coarse aggregates.
| Technical indicators | Test results of coarse aggregate | Requirement | 10∼20 (mm) | 5∼10 (mm) | 3∼5 (mm) |
| Apparent relative density | 2.624 | 2.657 | 2.688 | — | Water absorption (%) | 0.9 | 0.9 | 0.4 | ≤2.0 | <0.075 mm content (%) | 0.2 | 0.2 | 0.2 | <1.0 | Elongated content (%) | 6.2 | 6.3 | 3.6 | ≤18 | Crushing value (%) | 22.1 | — | — | ≤28 |
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