Research Article
Determination and Monitoring of Key Construction Control Indices for Low-Temperature Performance of Asphalt Mixtures Based on BIM Platform
Table 1
Properties of SBS asphalt.
| | Item | Tested result | Requirement | Test method |
| | Penetration (25°C, 100 g, 5 s) (0.1 mm) | 68 | 60∼80 | T 0604 | | Penetration index | 0.32 | ≥−0.4 | T 0604 | | Ductility (5°C, 5 cm/min) (cm) | 44 | ≥30 | T 0605 | | Softening point (°C) | 77.9 | ≥55 | T 0606 | | Kinematical viscosity (135°C) (Pa·s) | 1.73 | ≤3 | T 0625 | | Flashpoint (°C) | 256 | ≥230 | T 0611 | | Solubility in trichloroethylene (%) | 99.64 | ≥99 | T 0607 | | Elastic recovery (%) | 85.8 | ≥65 | T 0662 | | Density (25°C) (g/cm3) | 1.023 | — | T 0603 | | Storage stability (°C) | 1.3 | ≤2.5 | T 0661 | | Thin film oven test (163°C) | Mass loss (%) | −0.04919 | −1.0–1.0 | T 0609 | | Residual penetration ratio (25°C) (%) | 73.5 | ≥60 | T 0604 | | Residual ductility (5°C) (cm) | 26.37 | ≥20 | T 0605 |
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