Railway Composite Sleeper
|
Model |
Length |
Width |
Height |
Core Reinforcement Material |
Thermal Conductivity |
Frost Resistance Grade |
Applicable Axle Load |
Single Unit Cost Range (USD) |
Service Life |
Compliance Stds/References |
|
CS-2600-ColdBridge |
2600mm |
240mm |
150mm |
Glass Fiber + Epoxy Resin |
0.35 W/(m·K) |
F250 (250 Freeze-Thaw Cycles) |
≤22t |
$280–320 |
30–40 Years |
Refer to GB/T 2585-2007, TB/T Spec |
|
CS-2500-DesertMain |
2500mm |
220mm |
160mm |
Carbon Fiber + Polyester Resin |
0.42 W/(m·K) |
F150 |
≤25t |
$310–350 |
25–35 Years |
Refer to UIC 860-4, AREMA 30 |
|
CS-2400-MineHeavy |
2400mm |
250mm |
170mm |
Aramid Fiber + Vinyl Ester Resin |
0.38 W/(m·K) |
F200 |
≤35t |
$380–420 |
20–30 Years |
Refer to AAR M-101, AREMA 30 |
|
CS-2300-TunnelMetro |
2300mm |
200mm |
140mm |
Glass Fiber + Phenolic Resin |
0.32 W/(m·K) |
F100 |
≤18t |
$250–290 |
35–45 Years |
Refer to TB/T 3395.2, EN 13684-1 |
|
CS-2200-CoastalTram |
2200mm |
180mm |
130mm |
Basalt Fiber + Epoxy Resin |
0.36 W/(m·K) |
F200 |
≤16t |
$220–260 |
25–35 Years |
Refer to EN 13230-1, GB/T Spec |
Practical Operation & Green Maintenance Checklist
|
Inspection Stage |
Key Item |
Test Method |
Acceptance Criterion |
Sampling/Execution Rule |
Tool/Reference |
|
Incoming Check |
Rapid Material Verification |
Portable Fiber Detector + Density Meter |
Fiber Content ≥65% (Glass Fiber Type); Density Deviation ≤±0.03 g/cm³ |
4 pcs/batch |
Portable Fiber Analyzer; Digital Density Meter |
|
Extreme Environment Test |
Freeze-Thaw & UV Resistance |
Freeze-Thaw Chamber + UV Accelerated Tester |
No Cracks After 200 Cycles; Color Change ΔE ≤3 |
2 pcs/batch |
Freeze-Thaw Tester; UV Aging Chamber |
|
On-Site Maintenance |
Fastener Reusability |
Torque Retention Test |
Torque Loss ≤8% After 100 Disassembly Cycles |
3 pcs/100m track |
Precision Torque Wrench; Torque Recorder |
|
Green Performance |
Recyclability & Toxicity |
Material Separation Test + VOC Detector |
Recyclable Content ≥70%; VOC Emission ≤0.1mg/m³ |
1 sample/batch |
Material Separator; Portable VOC Tester |
|
Installation Audit |
Levelness & Stability |
Laser Level + Vibration Test |
Levelness Deviation ≤0.8mm/m; No Displacement After 1000Hz Vibration |
10 pcs/500m track |
Laser Level Meter; Vibration Test Bench |

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