Finger type 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 expansion joint for Bridge

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.

Why Choose Shuanglin Finger 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

Model	C	h	Anchor & Nut	b	H	Installing ground height
80	80	28	M18 x 180	740	33	120
100	100	28	M18 x 180	800	33	120
120	120	30	M18 x 180	860	35	120
140	140	30	M18 x 180	920	35	120
160	160	30	M18 x 180	980	35	120
180	180	32	M20 x 200	1080	37	120
200	200	32	M20 x 200	1140	37	150
220	220	32	M20 x 200	1200	37	150
240	240	34	M22 x 220	1260	39	150
260	260	34	M22 x 220	1320	39	150
280	280	34	M22 x 220	1380	39	150
300	300	36	M24 x 240	1480	41	150
320	320	36	M24 x 240	1540	41	150
340	340	38	M24 x 240	1600	43	150
360	360	38	M24 x 240	1660	43	150

Other types We Manufactured

Tine type expansion joint

Simple type expansion joint

Large Movement expansion joint

Symmetrical type expansion joint

SGT joint

Special-shaped expansion joint

Fine tooth type expansion joint

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 Expansion Joint

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

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.

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.