Steel Rails Composite Sleeper

a composite sleeper that combines the best properties of wooden, concrete, Environmental considerations are also playing an increasingly important role in the development of railway sleepers. Our responsibility as a leading developer of railway infrastructure components must therefore be to extend the range of products we offer by an especially eco-friendly and resource-saving alternative to traditional solutions. and plastic sleepers. To use polymer, filler sand and additives to create a completely new and innovative material that can withstand even the most extreme climatic conditions.

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Description

Technical Parameters

Railway Composite Sleeper

Model	Length	Width	Height	Core Reinforcement Material	Cross-Section Structure	Unit Weight	Bending Strength (Min.)	Applicable Axle Load	Service Life	Compliance Stds/References
CS-2600-Bridge	2600mm	240mm	150mm	Glass Fiber + Unsaturated Polyester Resin	Hollow with Bottom Ribs	66kg	12MPa	≤22t	30–40 Years	Refer to GB/T 2585-2007, TB/T Spec
CS-2500-Mainline	2500mm	220mm	160mm	Carbon Fiber + Epoxy Resin	Hollow with Internal Ribs	60kg	15MPa	≤25t	25–35 Years	Refer to UIC 860-4, AREMA 30
CS-2400-HeavyHaul	2400mm	250mm	170mm	Aramid Fiber + Vinyl Ester Resin	Solid Core with Grooves	75kg	18MPa	≤35t	20–30 Years	Refer to AAR M-101, AREMA 30
CS-2300-Metro	2300mm	200mm	140mm	Glass Fiber + Phenolic Resin	Hollow Lightweight Type	52kg	10MPa	≤18t	35–45 Years	Refer to TB/T 3395.2, EN 13684-1
CS-2200-Tram	2200mm	180mm	130mm	Basalt Fiber + Polyester Resin	Hollow Slim Type	45kg	8MPa	≤16t	25–35 Years	Refer to EN 13230-1, GB/T Spec

Material & Installation-Focused Inspection Checklist

Inspection Stage	Key Item	Test Method	Acceptance Criterion	Sampling Rule	Tool/Reference
Incoming Check	Material & Dimension	FTIR Spectrometer + Digital Caliper	Fiber Content ≥65% (Glass Fiber Type); Length ±5mm, Width ±2mm	4 pcs/batch	Portable FTIR Analyzer; 0.01mm Caliper
Corrosion Resistance	Salt-Spray & Humidity Test	Salt-Spray Chamber + Constant Humidity Chamber	No Visible Degradation After 1000h; Weight Loss ≤0.5%	2 pcs/batch	Salt-Spray Tester; Humidity Control Chamber
Fastener Compatibility	Bolt Anchoring Strength	Pull-Test Machine	Anchoring Force ≥12kN; No Bolt Loosening After 500 Vibration Cycles	3 pcs/100m track	Digital Pull Tester; Vibration Test Bench
Mechanical Performance	Bending & Impact Test	Universal Testing Machine + Impact Tester	Bending Strength ≥90% of Min. Value; Impact Toughness ≥5kJ/m²	1 sample/batch	500kN Universal Tester; Charpy Impact Tester
Installation Check	Adjustment & Fit	Height Gauge + Straightedge	Adjustable Height Range 0–20mm; Sleeper Levelness ≤1mm/m	10 pcs/500m track	Digital Height Gauge; 2m Straightedge

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Steel Rails Composite Sleeper

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