Research Article
Modification Mechanism of Asphalt Modified with Rock Asphalt and Styrene-Butadiene Rubber (SBR)
Table 2
Technical properties of Buton rock asphalt.
| | Property | Test result | Technical requirements | Specification |
| | Solubility in trichloroethylene (%) | 25.8 | ＞25 | JTG E20 T0607 | | Content of impurities such as soil (%) | 0.8 | ＜1 | JTG E42 T0333 | | Moisture content (%) | 0.5 | ＜1 | JTG E42 T0332 | | Ash content (%) | 74.1 | 65–75 | JTG E20 T0735 | | Ash content difference in the same batch of samples (%) | 0.4 | ≤1 | JTG E20 T0735 | | Ash content difference in the different batch of samples (%) | 0.8 | ≤5 | JTG E20 T0735 | | Density (g/cm3) | 1.75 | ＞1.6 | JTG E42 T0328 |
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