1.China: Complies with standard TB/T 3395.5-2015. This fastening system is suitable for 60 kg/m (P60) rails and ballasted track concrete sleepers.
2.Other Countries: Complies with standard EN 13481-5 D. It can be applied to any I-shaped rail based on line operating conditions and gauge requirements.
3.This fastening can be used as a complete substitute for the Type 300 fastening.
1.China: Complies with standard TB/T 3395.5-2015. This fastening system is suitable for 60 kg/m (P60) rails and ballasted track concrete sleepers.
2.Other Countries: Complies with standard EN 13481-5 D. It can be applied to any I-shaped rail based on line operating conditions and gauge requirements.
3.This fastening can be used as a complete substitute for the Type 300 fastening.
1.China: Complies with standard TB/T 3395.5-2015. This fastening system is suitable for 60 kg/m (P60) rails and ballasted track concrete sleepers.
2.Other Countries: Complies with standard EN 13481-5 D. It can be applied to any I-shaped rail based on line operating conditions and gauge requirements.
3.This fastening can be used as a complete substitute for the Type 300 fastening.
1.China: Complies with standard TB/T 3395.5-2015. This fastening system is suitable for 60 kg/m (P60) rails and ballasted track concrete sleepers.
2.Other Countries: Complies with standard EN 13481-5 D. It can be applied to any I-shaped rail based on line operating conditions and gauge requirements.
3.This fastening can be used as a complete substitute for the Type 300 fastening.
Configuration Table and Description of Fastener Components for Individual Node
| No. | Item | Specification | Quantity/Pcs | Material | Description | |
| 1 | Tension Clamp | W1 | 2 | 60Si2Mn/Other Hot-Rolled Spring Steel | Clamping Force：≥ 9kN | |
| X2 | 2 | ①Clamping Force：≥ 3kN； ②Under low resistance conditions, used in conjunction with a composite pad. | ||||
| 2 | Screw Spike | S2 | 2 | Quality Carbon Structural Steel
Alloy Structural Steel
Cold Heading Steel | ①Mechanical Properties:Actual Tensile Strength≥190Kn；Elongation after Fracture≥12%；Hardness≤ 34HRC。 ②Cold Bend Performance: The rail spike shall exhibit no cracks after undergoing a 15° cold bend test following anti-corrosion treatment. ③When fastening the tension clip,，lubricating oil must be applied to the threaded part; lubricating oil may also be applied to the dowel. ④In the standard assembly state, use S2. When the adjustment amount is ≥15 mm, use S3. | |
| S3 | 2 | |||||
| 3 | Flat Washer | – | 2 | Q235-A | TB/T 1495-2020 | |
| 4 | Rail Gauge Insulator | WJ8-9 | 2 | PA66+30%GF | ①Water Drainage Rate：≥ 0.5%； ②Plastic Rockwell Hardness：≥ 105HRR ③Shear Resistance: No rupture after applying 4.5 kN shear force to both ears. ④Impact Toughness: No rupture after 6 impact tests. ⑤Internal Voids: No bubbles or voids allowed | |
| 5 | Rail Gauge Baffle | WJ8-7 | 2 | PA66+30%GF | ①Water Drainage Rate：≥ 0.3%； ②Plastic Rockwell Hardness：≥ 105HRR； ③Internal Voids: No bubbles or voids allowed. ④Insulation Resistance：＞5×106Ω。 | |
| 6 | Rail Pad | Rubber Pad | WJ8-6 | 1 | Rubber | ①shore A：≥ 80； ②Peel Strength of the Compound Pad R：≥ 4kN/m。 |
| Compound Pad | CWJ8-6 | 1 | Rubber+Stainless Steel Pad | |||
| 7 | Rail Tie Pad | WJ8 | 1 | QT 450-10 | ①Tensile Strength Rm：≥ 450MPa，Elongation after Fracture A：≥ 10%； ②Metallographic Structure: Spheroidization Grade ≥ Grade 3 | |
| 8 | Resilient Tie Pad | WJ8-A | 1 | Rubber and Plastics | ①Insulation Resistance：≥1×107Ω； ②Static Stiffness：A—35±5kN/㎜，B—23±3kN/㎜； ③Dynamic and Static Stiffness Ratio：≤ 1.35 | |
| WJ8-B | 1 | |||||
| 9 | Embedded Dowel | D1 | 2 | PA66+30%GF | ①Tensile Performance: The component shall sustain no damage after being subjected to a 100 kN tensile test；②When fastening，If the anchor bolt is not lubricated, a small amount of lubricating grease must be injected into the dowel. | |
| 10 | Rail Height Adjustment Pad | WJ8-X | – | HDPE | Selected for height adjustment. | |
| 11 | Rail Tie Pad Height Adjustment Pad | WJ8-X | – | HDPE | Selected for height adjustment. | |
Indicators of Type WJ-8 Fastening System
| Execution Standards | China | TB/T 3395.5-2015 | Type WJ-8 Fastening | |||||||||
| Other Countries | EN 13481-5 D | Railway applications – Rail -Performance Indicators of fastening system concrete sleepers fastening system | ||||||||||
| No. | Items | Performance Indicators | ||||||||||
| China | Test Method | Other Countries | Test Method | |||||||||
| 1 | Maximum axle load | 26t | ||||||||||
| 2 | Minimum curve radius | R600m | R400m | |||||||||
| 3 | Speed | 350km/h | ＞ 250km/h | |||||||||
| 4 | Longitudinal rail resistance | Normal Line | ≥ 9kN | TB/T 3396.1-2015 | Normal Line | ≥ 9kN | EN 13146-1 | |||||
| Low Resistance Line | 4±1kN | Low Resistance Line | 4±1kN | |||||||||
| 5 | System clamping force | Normal Line | ≥ 18kN | TB/T 3396.2-2015 | Normal Line | ≥ 18kN | EN 13146-7 | |||||
| Low Resistance Line | ≥ 6kN | Low Resistance Line | ≥ 6kN | |||||||||
| 6 | System Fatigue Performance | Dual rail gauge | ≤ 6㎜ | TB/T 3396.4-2015 | / | ≤ 6㎜ | EN 13146-4 | / | ||||
| Resistance change rate | ≤ 20% | TB/T 3396.1-2015 | ≤ 20% | EN 13146-1 | ||||||||
| Vertical stiffness | ≤ 25% | TB/T 3396.3-2015 | ≤ 25% | EN 13146-9 | ||||||||
| Clamping force change rate | ≤ 20% | TB/T 3396.2-2015 | ≤ 20% | EN 13146-7 | ||||||||
| 7 | Insulation Resistance | ≥ 5kΩ | TB/T 3396.5-2015 | ≥ 5kΩ | EN 13146-5 | |||||||
| 8 | Effect of exposure to severe environmental conditions | Smooth disassembly | TB/T 3396.6-2015 | Smooth disassembly | EN 13146-6 | |||||||
| 9 | Proof load test for pull-out resistance | ≥ 60kN | TB/T 3396.7-2015 | ≥ 60kN | EN 13146-10 | |||||||
| 10 | Gauge adjustment range | ±10㎜ | ||||||||||
| 11 | Level adjustment range | -4～+26㎜ | ||||||||||
