Railway Concrete Sleeper
|
Model |
Length |
Width |
Height |
Concrete Strength Grade |
Steel Bar Content |
Applicable Fastener Type |
Applicable Axle Load |
Service Life |
Compliance Stds |
|
CRS-2600-HSR |
2600mm |
280mm |
200mm |
C60 |
8.5 kg/piece |
High-Speed Elastic Fastener (SKL 15) |
≤25t |
30–40 Years |
TB/T 3396-2015, EN 13230-2 |
|
CRS-2500-Mainline |
2500mm |
260mm |
180mm |
C50 |
7.2 kg/piece |
Mainline Common Fastener (Nabla) |
≤22t |
25–35 Years |
GB/T 2585-2007, UIC 860-4 |
|
CRS-2400-HeavyHaul |
2400mm |
300mm |
220mm |
C65 |
10.3 kg/piece |
Heavy-Haul Anti-Loosen Fastener (FC-18) |
≤35t |
20–30 Years |
AREMA 30, AAR M-101 |
|
CRS-2300-Metro |
2300mm |
240mm |
160mm |
C55 |
6.8 kg/piece |
Metro Shock-Absorbing Fastener (E14) |
≤18t |
25–35 Years |
TB/T 3395.2, EN 13684-1 |
|
CRS-2200-Tram |
2200mm |
220mm |
140mm |
C45 |
5.6 kg/piece |
Tram Light Fastener (E10) |
≤16t |
20–30 Years |
EN 13230-1, GB/T 2585-2007 |
Durability & Installation-Focused Inspection Checklist
|
Inspection Stage |
Key Item |
Test Method |
Acceptance Criterion |
Sampling Rule |
Tool/Reference |
|
Incoming Check |
Concrete Strength & Dimension |
Rebound Hammer + Digital Caliper |
Compressive Strength ≥95% of Grade (e.g., C60≥57MPa); Length ±3mm |
5 pcs/batch |
Concrete Rebound Hammer; 0.01mm Caliper |
|
Durability Test |
Frost & Carbonation Resistance |
Freeze-Thaw Chamber + Carbonation Tester |
Mass Loss ≤5% After 300 Freeze-Thaw Cycles; Carbonation Depth ≤15mm/50 Years |
2 pcs/batch |
Freeze-Thaw Tester; Carbonation Detector |
|
Structural Performance |
Anti-Crack & Bending Strength |
Crack Width Tester + Universal Testing Machine |
Crack Width ≤0.2mm (10kN Load); Bending Strength ≥5MPa |
1 sample/batch |
Crack Width Microscope; 1000kN Universal Tester |
|
On-Site Installation |
Levelness & Fastener Fit |
Laser Level + Gauge Block |
Levelness Deviation ≤1mm/m; Fastener Installation Gap ≤0.3mm |
10 pcs/500m track |
Laser Level Meter; Precision Gauge Block |
|
Long-Term Check |
Surface Condition & Corrosion |
Visual Inspection + Chloride Ion Tester |
No Visible Cracks/Spalling; Chloride Ion Content ≤0.06% |
3 pcs/km annually |
Chloride Ion Detector; Surface Profiler |
gnee-professional supplier
Hot Tags: steel rails concrete sleeper, China steel rails concrete sleeper manufacturers, suppliers, factory, railway sleeper for railway journey, railway sleeper for railway equivalently, railway sleeper for railway adaptively, railway sleeper for railway spotting, fast delivery railway sleeper, railway sleeper for railway proportionally
