Railway Concrete Sleeper
|
Model |
Length |
Width |
Height |
Concrete Strength Grade |
Steel Bar Content |
Embedded Sleeve Spec |
Unit Weight |
Single Unit Cost Range (USD) |
Applicable Climate Zone |
Service Life |
Compliance Stds |
|
CRS-2600-HSR-Cold |
2600mm |
280mm |
200mm |
C60 (Air-Entrained) |
8.5 kg/piece |
M24×100 (Stainless Steel) |
320kg |
$180–220 |
-40℃~30℃ (Cold Zone) |
30–40 Years |
TB/T 3396-2015, EN 13230-2 |
|
CRS-2500-Mainline-Desert |
2500mm |
260mm |
180mm |
C50 (Sulfate-Resistant) |
7.2 kg/piece |
M20×90 (Hot-Dip Galvanized) |
280kg |
$140–170 |
0℃~50℃ (Arid Desert) |
25–35 Years |
GB/T 2585-2007, UIC 860-4 |
|
CRS-2400-HeavyHaul-Mine |
2400mm |
300mm |
220mm |
C65 (High-Density) |
10.3 kg/piece |
M27×110 (Alloy Steel) |
380kg |
$210–250 |
-10℃~40℃ (Mining Area) |
20–30 Years |
AREMA 30, AAR M-101 |
|
CRS-2300-Metro-Tunnel |
2300mm |
240mm |
160mm |
C55 (Moisture-Resistant) |
6.8 kg/piece |
M18×80 (Epoxy-Coated) |
240kg |
$120–150 |
10℃~35℃ (Humid Tunnel) |
25–35 Years |
TB/T 3395.2, EN 13684-1 |
|
CRS-2200-Tram-Coastal |
2200mm |
220mm |
140mm |
C45 (Corrosion-Resistant) |
5.6 kg/piece |
M16×70 (Dacromet) |
200kg |
$90–120 |
5℃~40℃ (Coastal Area) |
20–30 Years |
EN 13230-1, GB/T 2585-2007 |
Practical Operation & Maintenance Checklist
|
Inspection Stage |
Key Item |
Test Method |
Acceptance Criterion |
Sampling/Execution Rule |
Tool/Reference |
|
Incoming Check |
Rapid Strength & Sleeve Fit |
Portable Concrete Tester + Sleeve Gauge |
Compressive Strength ≥90% of Grade; Sleeve Inner Diameter Tolerance: ±0.2mm |
5 pcs/batch |
Portable Concrete Strength Tester; Sleeve Gauge Set |
|
Extreme Environment Test |
Sulfate Resistance & Heat Resistance |
Sulfate Immersion Test + Heat Aging Test |
Compressive Strength Loss ≤10% After 180 Days; No Cracks at 60℃ |
2 pcs/batch |
Sulfate Test Chamber; Heat Aging Oven |
|
On-Site Maintenance |
Sleeve Reusability & Fastener Torque |
Torque Retention Test |
Torque Loss ≤5% After 50 Disassembly Cycles; Sleeve No Deformation |
3 pcs/100m track |
Precision Torque Wrench; Torque Recorder |
|
Emergency Replacement |
Replacement Efficiency |
Mock Emergency Operation |
Replacement ≤15min/piece (3-person team) |
5 pcs/500m track (annual drill) |
Sleeper Lifter + Installation Toolkit |
|
Batch Quality Audit |
Surface Flatness & Reinforcement Integrity |
Laser Profiler + X-Ray Detector |
Surface Flatness Deviation ≤0.5mm/m; Reinforcement Position Deviation ≤5mm |
2% of Batch (Min. 3 Pcs) |
3D Laser Profiler; Portable X-Ray Detector |
gnee-professional supplier
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