Research Article
Reducing Railway Noise with Porous Sound-Absorbing Concrete Slabs
Table 2
Technical indicators of fibre.
| | Density (g/cm3) | Compressive strength (MPa) | Elastic modulus (MPa) | Colour | Break elongation ratio | Melting point (°C) | Flash point (°C) |
| | 0.90–0.95 | ≥340 | ≥3500 | White | 10–35% | 165 | 560 |
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