Research Article
Study on the Applicability of Needle/Cone Penetration Experiment for Asphalt-Rubber
Table 2
Main technical indexes of CR.
| Experiment item | Shaanxi Expressway | Hunan HeDeLi | Xian ZhongXuan |
| Density/ (g⋅cm−3) | 1.17 | 1.19 | 1.18 | ωwater (%) | 0.75 | 0.81 | 0.78 | ωmetal (%) | 0 | 0.01 | 0 | ωfiber (%) | 0.01 | 0 | 0.02 | Ash (%) | 6.00 | 5.02 | 7.20 | Acetone extractives (%) | 6.18 | 6.13 | 3.86 | Carbon black (%) | 28 | 28 | 29 | Rubber hydrocarbon (%) | 61 | 57 | 57 |
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