Composite Beam Bridge with High Torsional Stiffness | 10M-300M Spans | 60T-100T Loading Capacity
Composite beam bridges combine steel members (plate beams, box beams, truss beams) with reinforced concrete components using shear connectors to create a unified structural system. This design leverages steel's tensile strength and concrete's compressive capabilities for optimal performance.
The composite beam typically consists of a steel section providing primary strength and stiffness, while the concrete slab acts as a compression member and provides protection against fire and corrosion.
Shear connectors welded to the steel beam's upper flange and connected to the bridge panel reinforcement ensure reliable load transfer between components.
Utilizes I-section steel beams for medium and small spans, available as rolled sections or welded steel beams with asymmetric sections to optimize performance.
Features higher torsional rigidity and stability than I-section bridges, suitable for curved bridges and continuous structures.
Uses steel trusses instead of solid beams, offering better permeability and aesthetics with prefabricated construction flexibility.
Integrates steel-concrete composite beams with concrete piers, providing large headroom and enhanced seismic performance.
- High loading capacity with superior torsional stiffness
- Durable construction with low maintenance requirements
- Reduced dead load compared to concrete bridges
- Construction flexibility with prefabricated components
- Material optimization through steel tension and concrete compression
- Cost-effective solution for long-span applications
| Parameter | Specification |
|---|---|
| Bridge Types | Bailey, Modular, Truss, Warren, Arch, Plate, Beam, Box Girder, Suspension, Cable-Stayed, Floating |
| Design Spans | 10M to 300M Single Span |
| Carriage Way | Single Lane, Double Lanes, Multilane, Walkway |
| Loading Capacity | AASHTO HL93, HS15-44, HS20-44, HS25-44, BS5400 HA+20HB, HA+30HB, AS5100 Truck-T44, IRC 70R Class A/B, NATO STANAG MLC80/MLC110, Truck-60T, Trailer-80/100Ton |
| Steel Grade | EN10025 S355JR, S355J0, EN10219 S460J0, EN10113 S460N, BS4360 Grade 55C, AS/NZS3678/3679/1163 Grade 350, ASTM A572/A572M GR50/GR65, GB1591 GB355B/C/D/460C |
| Certifications | ISO9001, ISO14001, ISO45001, EN1090, CIDB, COC, PVOC, SONCAP |
- Highway bridges with single or multiple lanes
- Railway bridges for heavy transport applications
- Pedestrian bridges and walkways
- Industrial and infrastructure projects
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