What is the full form of GRSP?

Rubber rail pads, originally called sole plates or sole pads, are elastic polyurethane mats that are interposed between railway sleepers and steel rails. Their function of rubber rail pad is to reduce fatigue cracking of the concrete ties, which is believed to be driven by impact and vibration from the passing train.

What is the full form of GRSP?

The full form of GRSP for a rail pad is Grooved Rubber Sole Plate, a crucial component placed between the rail and the concrete sleeper (tie) to absorb shocks, reduce vibration, prevent wear, provide electrical insulation, and enhance the overall life and safety of the railway track system.

Function: It cushions impacts, dampens noise, protects sleepers from damage, and can provide electrical insulation, acting as a critical buffer.

Material: Typically made from natural or synthetic rubber, often reinforced with nylon cords for durability, with different types for various track conditions.

Usage: Essential in modern railway fastening systems, used with concrete (PSC) sleepers, and specified by railway standards like those from India’s Research Designs and Standards Organisation (RDSO).

Advantages of Grooved Rail Rubber Pad

Grooved rubber rail pads offer significant advantages by absorbing shock and vibration, reducing noise, preventing wear, and extending the life of tracks, leading to major cost savings and enhanced safety; their grooved design provides specific load deflection for better grip and component protection, ensuring quieter, smoother, and more durable rail infrastructure.

Key Advantages:

Vibration & Shock Absorption: Cushions the impact from heavy trains, protecting sleepers (ties) and rails from damage and reducing resonant vibrations.

Noise Reduction: Dampens the clatter and rumble, creating a quieter environment for passengers and nearby residents, crucial for urban metros.

Extended Track Life: Prevents abrasion and crushing of sleepers, distributes loads, and protects against corrosion, significantly increasing the lifespan of the entire track system.

Improved Safety & Grip: The grooved design provides better grip and compliance, preventing rail slippage and ensuring safer operation.

Cost-Effectiveness: Lower maintenance, fewer repairs, and extended component life result in long-term cost savings.

Material of Rubber rail pads

Rubber rail pads are made from resilient, elastic materials like natural rubber, polyurethane (PU), or blends with synthetic rubbers (SBR, NBR) and reinforced with fillers, offering vibration dampening, wear resistance, and electrical insulation for railway tracks, with specific formulations chosen for high-speed, heavy-haul, or urban transit needs, sometimes incorporating steel mesh for added strength.

Raw Material	Rubber, EVA, TPEE, HDPE
Standard	UIC, AREMA, TB/T2626-95
Application	43kg/m, 50kg/m, 60kg/m, 75kg/m,115RE, UIC54, UIC60, S49
Model number	43-7-7, 43-10-7, 50-7-9, 50-10-9, 60-10-17, 60-12-17
Operating temperature	-50~70 degrees
Certificate	MSDS, ROHS, REACH
Notes	They should be stored in a clean, ventilated place. Don’t be in direct sunlight, and keep away from the heat source and chemical reagent. Don’t touch the oil, organic solvent, and other chemicals. Banned exposure.

 

As a professional rubber rail pad manufacturer GNEE RAIL can produce various standards of rubber rail pads and other rail fasteners. If you want to build a railway line, do not hesitate to contact us, we can supply all types of rubber rail pads with different materials. If necessary, we can make customized rubber rail pad production.