Composite railway sleepers, also known as composite material sleepers, perform a similar function to traditional wooden and concrete sleepers by supporting railway tracks. However, due to the use of advanced composite materials such as plastic, fiberglass, rubber, and steel, they offer enhanced durability, superior corrosion resistance, and effective vibration and noise reduction. Compared to conventional wooden and concrete sleepers, composite sleepers are lighter, more environmentally friendly, have a longer lifespan, and require less maintenance. GNEE Rail specializes in the production of high-quality railway sleepers, including composite railway sleepers. Our sleepers are engineered for superior strength and durability, ensuring long-lasting performance in even the most demanding environments. We offer customization options to meet your specific needs, ensuring the perfect fit for your railway projects. Contact us today for reliable, cost-effective solutions for your railway projects!
No. | Test Item | CJ/T 399-2012 Technical Requirement | JIS E1203 Rrequirement | Unit | GNEE Rail Test Result by CRCC Test Center | ||
1 | Bending Strength | ≥70 | ≥70 | MPa | 1# | 2# | 3# |
124 | 126 | 117 | |||||
2 | Flexural modulus | ≥6 | ≥6 | GPa | 4# | 5# | 6# |
10 | 11 | 13 | |||||
3 | Longitudinal com pression strength | ≥40 | ≥40 | MPa | 7# | 8# | 9# |
107 | 50 | 93 | |||||
4 | Shear strength | ≥7 | ≥7 | MPa | 10# | 11# | 12# |
11 | 10 | 12 | |||||
5 | Adhesive shear strength | ≥7(Base-material breakage) | MPa | 13# | 14# | 15# | |
10 | 8 | 12 | |||||
6 | Water absorption | ≤10 | ≤10 | Mg/cm3 | 16# | 17# | 18# |
4 | 3 | 4 | |||||
7 | The finished product resists bending load | ≥170 | ≥170 | kN | 19# | ||
210 | |||||||
8 | Screw spikes pullout strength | ≥40 | ≥30 | kN | 20# | 21# | 22# |
44 | 46 | 58 | |||||
9 | Mass density | 0.74±0.10 | 0.74±0.10 | g/cm3 | 23# | 24# | 25# |
0.72 | 0.65 | 0.68 | |||||
10 | Fatigue performance | 105 times,No abnormality | / | 26# | |||
105 times,No abnormality | |||||||
11 | Flame retardant | After the ignition source is removed, there is no visible flaming or continuous flaming of the sample, but the front of the flame does not exceed the 25mm mark | / | 27# | 27# | 27# | |
After the ignition source is removed, there is no visible flaming or continuous flaming of the sample, but the front of the flame does not exceed the 25mm mark | After the ignition source is removed, there is no visible flaming or continuous flaming of the sample, but the front of the flame does not exceed the 25mm mark | After the ignition source is removed, there is no visible flaming or continuous flaming of the sample, but the front of the flame does not exceed the 25mm mark | |||||
12 | breakdown voltage | ≥20 | ≥20 | kV | 30# | 31# | 32# |
Thickness: 20mm | Thickness: 20mm | Thickness: 20mm | |||||
35 No breakdown | 35 No breakdown | 35 No breakdown | |||||
13 | Surfance resistance | ≥1*1010 | ≥1*1010 | Ω | 33# | 34# | 35# |
4.1*1015 | 4.1*1015 | 4.9*1015 | |||||
Remark |
1. Breakdown voltage: Sample size: 100*80*20mm (length*width*thickness), using unequal diameter electrodes in the air, ambient temperature: 20ºC, humidity: 40%. 2. Surface resistance: sample size: 100*100*4mm (length*width*thickness), ambient temperature: 20ºC, humidity: 40%, test voltage: 1000V. |