Finger Bridge Expansion Joint Manufacturer

Unmatched in elastomeric bridge bearings, we’ve played a key role in over a thousand global projects. Trust SHUANGLIN for reliability, precision, and proven excellence!

Finger Bridge Expansion Joint

Finger expansion joint facilitates movement and expansion between adjacent structures in construction. It accommodates material shifts caused by temperature changes or settling while ensuring a continuous watertight seal. The term “finger” denotes interlocking ribs that flex, commonly employed in buildings and bridges to prevent damage and preserve structural integrity.

finger bridge expansion joint

Why Choose Shuanglin Finger Expansion Joint

Innovative Design

Boasting advanced design for superior bridge integration, our joints ensure optimal functionality and durability.

Premium Materials

Utilizing high-quality raw materials rigorously tested to meet international standards, we guarantee longevity and resilience.

Precision Manufacturing

With state-of-the-art facilities and strict quality controls, each joint meets and exceeds industry standards.

Expert Technical Support

Benefit from our dedicated team's guidance and expertise, ensuring seamless integration and optimal performance.

Finger Expansion Joint Specifications

finger expansion joint
ModelChAnchor & NutbHInstalling ground height
808028M18 x 18074033120
10010028M18 x 18080033120
12012030M18 x 18086035120
14014030M18 x 18092035120
16016030M18 x 18098035120
18018032M20 x 200108037120
20020032M20 x 200114037150
22022032M20 x 200120037150
24024034M22 x 220126039150
26026034M22 x 220132039150
28028034M22 x 220138039150
30030036M24 x 240148041150
32032036M24 x 240154041150
34034038M24 x 240160043150
36036038M24 x 240166043150

Feature

  • Customized Design by Senior Engineers
  • Precision with Computer-Cut Materials
  • Comprehensive and Customizable Accessories
  • Galvanized or Rust-Resistant Paint Finish
  • Non-Destructive Testing for Steel Materials

Applications:

Finger-type expansion joint is crucial in bridge construction, offering support and adjustment. Its main applications include:
  • Bridge Engineering:
    • Handles deformations and displacements in bridges due to temperature changes and seismic factors, ensuring safety and reliability.
  • Construction Projects:
    • Enhances seismic performance in buildings, absorbing and dispersing seismic forces.
  • Bridge Deck Paving:
    • Efficiently resolves temperature-induced expansion and contraction issues in bridge deck paving, ensuring stability.
  • Structural Adjustment:
    • Versatile for projects requiring adjustable specifications, offering flexibility and adaptability.

Unrivaled Quality Finger Type Bridge Expansion Joint

To guarantee the quality of Finger expansion joints,  we follow these professional steps:

Precision in Manufacturing

Adhere to precise manufacturing processes. Employ advanced machinery and technology to create expansion joints with accurate specifications, meeting the required standards.

Quality Control Measures

Implement stringent quality control measures at every stage of production. Regularly inspect and test the expansion joints to identify and rectify any potential issues promptly.

elastomeric bearing pad testing

Compliance with Standards

Ensure that the manufacturing process complies with industry and international standards.

bridge bearing package

Certifications and Testing

Emphasizing secure packaging, each product is carefully wrapped, reinforcing our dedication to delivering flawless elastomeric bearing pads.

Installation

1. Pre-Installation Inspection:
  • Check Components: Ensure all components are present and undamaged.
  • Review Specifications: Confirm the joint dimensions align with project specifications.
2. Surface Preparation:
  • Clean Surface: Thoroughly clean the expansion gap and surrounding areas.
  • Smooth Surface: Ensure a level and smooth substrate for proper installation.
3. Layout and Alignment:
  • Align Components: Align fixed and sliding finger plates as per design.
  • Verify Dimensions: Double-check dimensions against approved shop drawings.
4. Anchorage Installation:
  • Secure Anchorage: Install and secure anchorage on one side of the joint.
  • Adjust Tension: Tension the trident fingers or adjust as per manufacturer guidelines.
5. Finger Plate Installation:
  • Assemble Fingers: Assemble sliding fingers into fixed fingers, ensuring proper engagement.
  • Secure Bolts: Secure bolts to hold the finger plates in position.
installation finger expansion joint
6. Elastomeric Seals:
  • Install Seals: Place elastomeric seals along the joint perimeter.
  • Ensure Contact: Ensure proper contact with both fixed and sliding elements.
7. Final Checks:
  • Review Alignment: Confirm alignment and smooth movement of fingers.
  • Inspect Seals: Check elastomeric seals for proper placement and integrity.
8. Watertight Testing:
  • Conduct Test: Perform watertight integrity testing according to specified standards.
  • Address Issues: Rectify any issues identified during the testing phase.
9. Documentation:
  • Record Installation: Document the installation process, including adjustments made.
  • Submit Reports: Submit final reports to relevant authorities and stakeholders.
10. Post-Installation:
  • Clear Surroundings: Remove any debris or materials from the installation site.
  • Final Inspection: Conduct a final inspection to ensure compliance with project requirements.

Projects

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