Description
Technical Parameters
Composite Sleeper Technical Parameters (vs. Traditional Sleepers)
| Parameter | Composite Sleeper | Wooden Sleeper | Concrete Sleeper | Remarks |
|---|---|---|---|---|
| Material | Polymer (Recycled Plastic/Rubber) or FRP | Hardwood (e.g., Oak, Teak) | Prestressed Concrete | FRP = Fiber-Reinforced Polymer |
| Density (kg/m³) | 800–1,200 | 500–700 | 2,400–2,600 | Lighter than concrete, heavier than wood |
| Service Life (years) | 30–50 | 10–15 | 40–60 | Resists rot, insects, and UV degradation |
| Insulation Performance | Excellent (Non-conductive) | Moderate (Degrades when wet) | Poor (Requires insulation pads) | Critical for electrified railways |
| Maintenance | Minimal (No anti-corrosion needed) | Annual inspections | Almost maintenance-free | Saves long-term costs |
| Load Capacity (kN) | 200–300 (Dynamic) | 150–200 | 300–400 | Suitable for heavy-haul lines |
Application of composite sleepers
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