Research Article
A Study of the Impact Resistance of Rubber Concrete at Low Temperatures (−30°C)
Table 5
Technical indicators of the rubber powder.
| | Rubber powder (mesh) | Average particle size (μm) | Screen size (μm) | Sieving rate (%) | Ash content (%) | Acetone extractive (%) | Tensile strength (MPa) | Elongation at break (%) |
| | 20 | 765 | 850 | ≥95 | ≤8 | ≤8 | ≥15 | ≥500 | | 50 | 258 | 300 | ≥90 | ≤8 | ≤8 | ≥15 | ≥500 |
|
|
