Gnee Steel (Tianjin) Co., Ltd. is one of the most reliable manufacturers and suppliers of rail under sleeper pads in China, also supports customized service with low price. Please feel free to buy cheap rail under sleeper pads made in China here from our factory.
Product Introduction
Sleeper pad is an important elastic component in the railway track system, typically installed between the sleeper (concrete or wooden sleeper) and the track bed (ballast or concrete foundation). Its primary functions are to cushion vibrations, reduce noise, adjust track height, and protect the track structure.
Thanks to an optimised bonding system, GNEE RAIL under sleeper pads are pre-fitted to the sleepers during the manufacturing stage. As a result, no additional work is required at the installation site. Installation is quick, unaffected by weather conditions and can be carried out with minimal service interruptions.
Main Functions of Sleeper Pads:
Damping and Cushioning: Absorb impact forces and vibrations generated by passing trains, reducing wear on sleepers and the track bed.
Noise Reduction: Mitigate noise caused by wheel-rail friction and transmitted vibrations, particularly effective in urban rail transit systems.
Electrical Insulation: Some sleeper pads, made from materials like rubber, provide electrical insulation to prevent track circuit short-circuiting.
Height Adjustment: Compensate for minor height variations between track components, ensuring a level rail surface.
Service Life Extension: Reduce fatigue damage to sleepers and the track bed, lowering maintenance costs.
Material Characteristics of Sleeper Pads
Rubber:
- Excellent weather resistance
- Moderate elasticity
- Cost-effective
- Widely used in conventional railways
Polyurethane (PU):
- High wear resistance
- Long service life
- Suitable for high-speed and heavy-haul lines
Composite Materials:
- May incorporate fibers or metal layers for enhanced performance
The Sleeper pad advantages for you
■ Defined elasticity into the railway superstructure
■ Increased track quality
■ Longer service life for ballast
■ Less short pitch and rail corrugation on the rail running surface
■ Quick installation through pre-assembly on the sleepers
■ Ideal for retrofitting a vibration protection solution
GNEE RAIL has tested the most important under sleeper pad types in accordance with EN 16730. GNEE RAIL carried out some of the various tests on its in-house large-scale test rig. All specifications set out in both European and international rail standards have thus been met.
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