Steel Composite Beam Bridge for Heavy Load Applications - 8m to 100m Span Range with Shear Connector Technology
Price:
1500USD ~2000USD/ton
MOQ:
1 set
Delivery Time:
45days
Brand:
Tongkai
Product Description
Composite Steel Bridge Technology Overview
Composite steel bridges feature structural steel fixed to concrete decking, enabling both materials to work together as a unified system. This integration significantly reduces deflections while increasing overall structural strength through shear connector technology.
Shear Connector System
Shear connectors are critical components that bond steel beams to concrete decks. These connectors can be installed using stud welding or, for superior export quality, mechanical fastening with nuts and bolts.
Properly spaced shear connectors ensure composite action, distributing loads efficiently between steel and concrete components.
Structural Load Distribution
During construction, steel beams support their own weight plus wet concrete. Once concrete cures to full strength, the composite system shares all operational loads including traffic, surfacing, wind, water pressure, and seismic forces.
Bridge Design Applications
Simple Beam Bridges
Ideal for spans from 8m to 24m, these bridges utilize multiple beams supporting the roadway directly across the gap. Composite action provides maximum structural benefits in this configuration.
Over Truss Bridges
Suitable for longer spans from 18m to approximately 100m. The deck remains positioned atop the steel structure, entering compression during deflection.
Transom Systems
Transoms span laterally across bridges, transferring deck loads to robust steel frames on either side. This system is commonly implemented in both open-top and closed-top through truss bridge designs.
Steel Decking Integration
While steel decking typically replaces reinforcement bars in building construction, bridge applications utilize it primarily as permanent formwork due to corrosion concerns on the underside.
Technical Specifications
| Bridge Type | Span Range | Key Features |
|---|---|---|
| Simple Beam | 8m - 24m | Maximum composite action benefits |
| Over Truss | 18m - 100m | Long-span capability with deck compression |
| Through Truss | Custom spans | Transom load transfer system |
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Company
Zhenjiang Tongkai Mechanical Engineering Co.,Ltd.
Location
Room 202, Jintai Building, Runxing Road,High tech Zone, Zhenjiang Jiangsu, China
Contact Person
Andy