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Customized
MingHeng
Product Features
Cost-effective with lower overall investment, suitable for bridge projects with limited budgets.
Convenient installation and short construction period, with less impact on traffic.
Smooth and comfortable driving, with an even transition at the joint and reduced vehicle bumping.
Good waterproofing performance, with a continuous sealing structure that reduces water and debris penetration into beam ends.
Lightweight, with low additional load on beam ends, benefiting structural performance.
The elastomeric expansion joint adapts to temperature variation and maintains elastic working condition under different climatic conditions.
Technical Parameters
| ltem | Description |
| Product type | Rubber expansion joint |
| Material combination | Rubber vulcanized withsteel plate / angle steel |
| Anchoring method | Bolt holeanchoring |
| Designexpansion capacity | Generally no more than 60mm, some combinedstructures reach 100mm-150mm |
| Sealingtype | Continuous sealed joint |
| Applicable bridge types | Straight, curved, and slope bridges |
| Applicable temperature range | Determined by rubber material |
| Customization options | Cross-section size, length, expansion capacity,anchoring spacing, bolt hole positions |
Applications
Small and medium span concrete bridges
Existing bridge renovation projects
Bridges on low traffic volume roads
Urban road bridges
Pedestrian overpasses and non-motorized lane bridges
Bridge deck joint waterproofing repair
Ramp and interchange bridges
Customization
The rubber expansion joint can be customized in cross-section size, length, design expansion capacity, anchoring spacing, and bolt hole positions according to project drawings. Rubber bridge expansion joints can be made from natural rubber, neoprene, or EPDM to suit different regions and climatic conditions. The thickness of the steel plate or angle steel reinforcement layer of customizable expansion joints can be adjusted according to bridge load requirements. The anchoring method and beam end connection details can be processed according to design drawings.
FAQ
Q: What is the typical design expansion capacity of rubber expansion joint?
A: The common design expansion capacity is generally no more than 60mm. Some combined structures can reach 100mm to 150mm, depending on actual bridge requirements.
Q: How is the rubber expansion joint fixed to the beam ends?
A: The rubber expansion joint is provided with anchoring steel plates and bolt holes, and is fixed to the beam end embedded parts or concrete structure by bolts.
Q: What bridges are rubber expansion joints suitable for?
A: Suitable for small and medium span concrete bridges, existing bridge renovation projects, low traffic volume road bridges, urban road bridges, pedestrian overpasses, and bridge deck joint waterproofing repair.
Q: Can rubber expansion joints be customized according to project drawings?
A: Yes. Cross-section size, length, expansion capacity, anchoring spacing, and bolt hole positions can be adjusted according to project drawings.
Q: What rubber materials are available?
A: Natural rubber, neoprene, or EPDM can be selected according to the service environment. Different materials vary in weather resistance, aging resistance, and elasticity.
Q: How is the sealing performance of rubber expansion joint?
A: The rubber expansion joint uses a continuous sealed joint structure and is integrally formed, which can reduce water and debris penetration into beam ends with good waterproofing performance.
Q: Is rubber expansion joint easy to maintain?
A: The rubber expansion joint has a simple structure and can be replaced with less impact on the bridge deck. Maintenance is relatively convenient. The specific maintenance cycle depends on traffic volume and rubber aging conditions.
