Prefabricated Steel Truss Composite Beam Bridge with 10-300M Span Capacity for Highway and Railway Applications
Price:
1000USD ~ 2000USD Per ton
MOQ:
negotiation
Delivery Time:
negotiation
Brand:
EVERCROSS
Product Description
Composite Beam Bridge Overview
A composite beam bridge combines steel members (steel plate beams, steel box beams, steel truss beams) with reinforced concrete components using shear connectors to create a unified structural system that leverages the strengths of both materials.
Structural Design & Construction
This prefabricated bridge system separates beam ribs from bridge panels through longitudinal horizontal joints, creating a combined section. Construction occurs in stages: first erecting beam ribs, then installing prefabricated panels, and finally casting concrete in joints to form a complete structure.
Two-Stage Stress Distribution
During construction, prefabricated beams initially support their own weight plus panels and cast-in-place concrete. The final composite section then bears all subsequent dead loads and live traffic loads.
Composite Beam Types
Composite Plate Girder Bridge
Utilizes I-section steel beams (rolled or welded) for medium and small spans. Asymmetric steel beam sections reduce upper flange size where attached to concrete bridge panels.
Composite Box Girder Bridge
Features box-shaped cross-sections with top/bottom slabs and vertical webs. Offers superior torsional rigidity and stability compared to I-section designs. Suitable for spans requiring high clearance and minimal traffic disruption.
Composite Truss Bridge
Replaces solid steel beams with steel trusses combined with concrete bridge panels. Provides excellent permeability and aesthetics with larger beam heights than solid belly beam bridges.
Composite Rigid Frame Bridge
Integrates steel-concrete composite beams with concrete piers, eliminating supports. Offers superior seismic performance and prevents beam collapse incidents.
Key Structural Features
- Combined section design with increased stiffness
- Reduced steel quantity through optimized material usage
- Lower noise levels under live load compared to all-steel bridges
Shear Transfer Systems
Critical for ensuring steel beam and concrete slab joint operation. Includes rigid shear transfer (short section steel, channel steel, angle steel) and flexible shear transfer (diagonal reinforcement, capped bolts).
Bridge Panel Design
Reinforced concrete bridge panels supported by steel beams bear both longitudinal bending moments and cross-bridge internal forces from local loads.
Shear Connector Types
Essential for transferring longitudinal shear forces between steel beams and concrete panels. Common types include welded nail shear keys, channel steel shear keys, and perforated plate connectors.
Technical Advantages
- Construction convenience due to steel strength and light weight
- Reduced dead load compared to concrete bridges
- Optimized material performance: steel in tension, concrete in compression
- Cost savings, especially significant for long-span bridges
- Enhanced structural stiffness, stability, and integrity
Evercross Steel Bridges Specifications
| Parameter | Specification |
|---|---|
| Bridge Types | Bailey bridge (Compact-200, Compact-100, LSB, PB100, China-321, BSB), Modular bridge (GWD, Delta, 450-type), Truss Bridge, Warren bridge, Arch bridge, Plate bridge, Beam bridge, Box girder bridge, Suspension bridge, Cable-stayed bridge, Floating bridge |
| 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 |
| Certificates | ISO9001, ISO14001, ISO45001, EN1090, CIDB, COC, PVOC, SONCAP |
| Welding Standards | AWS D1.1/AWS D1.5, AS/NZS 1554 or equivalent |
| Bolts | ISO898, AS/NZS1252, BS3692 or equivalent |
| Galvanization Code | ISO1461, AS/NZS 4680, ASTM-A123, BS1706 or equivalent |
Applications include highway bridges and railway bridges with spans ranging from 10 to 300 meters, accommodating various loading requirements and environmental conditions.
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Company
EVERCROSS BRIDGE TECHNOLOGY (SHANGHAI) CO.,LTD.
Location
ROOM 403,NO.2 BUILDING,NO.269 TONGXIE ROAD,CHANGNING DISTRICT,SHANGHAI,CHINA
Contact Person
Libby Chen