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Fishplate For Heavy Haul Railway
Fishplate for heavy haul railways is a specialized type of rail joint bar designed to withstand the extreme loads, stresses, and dynamic forces associated with heavy haul operations. Heavy haul railways typically transport large volumes of bulk materials, such as coal, iron ore, and other...
Features
Fishplate for heavy haul railways is a specialized type of rail joint bar designed to withstand the extreme loads, stresses, and dynamic forces associated with heavy haul operations. Heavy haul railways typically transport large volumes of bulk materials, such as coal, iron ore, and other minerals, often using trains with high axle loads (up to 40 tons or more). As a result, fishplates used in these applications must be exceptionally strong, durable, and resistant to wear and fatigue.
Applications of Heavy Haul Fishplates
Mining Railways
Used in tracks carrying heavy freight trains, such as coal, iron ore, and other minerals.
Bulk Material Transport
Ideal for railways transporting large volumes of bulk materials over long distances.
High-Traffic Mainlines
Suitable for busy railway lines with frequent train movements.
Curved or Stressed Sections
Provides additional strength in areas with high lateral forces or bending stresses.
Comparison with Standard Fishplates
| Feature | Heavy Haul Fishplate | Standard Fishplate |
|---|---|---|
| Material | High-grade alloy steel | Mild or carbon steel |
| Load Capacity | Higher | Moderate |
| Durability | Longer lifespan | Shorter lifespan |
| Cost | Higher initial cost | Lower initial cost |
| Application | Heavy-haul, high-speed tracks | Light to moderate traffic |
1
Regular ultrasonic testing and visual inspections are required to detect cracks, wear, or bolt loosening.
2
Proper torqueing of bolts is essential to maintain the integrity of the joint.
3
Replacement should be done if any signs of fatigue or damage are detected.
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