Prefabricated Steel Bridge Segmental Box Girder Bridge Easy Maintenance
Price:
1000USD ~ 2000USD Per ton
MOQ:
negotiation
Delivery Time:
negotiation
Brand:
EVERCROSS
Product Description
Prefabricated Steel Bridge Segmental Box Girder Bridge
Professional steel box girder bridge offering quick installation and easy maintenance solutions for permanent structural applications.
Product Specifications
| Attribute | Value |
|---|---|
| Product Name | Steel Box-girder bridge |
| Bridge Deck | Concrete |
| Type | Single Box Girder Bridge; Double Box Girder Bridge; Multiple Box Girder Bridge |
| Material | Q345B steel |
| Grade | Q345B-Q460C |
| Application | Permanent Steel Structural Bridge |
| Seismic Resistance | Anti-seismic design |
| Width | 10m |
| Wind Resistance | Class 12 |
| Installation Time | 6 months |
| Height | 3m |
| Standard | AISI, ASTM, BS, DIN, GB, JIS |
| Turnaround Time | 60 to 90 days |
| Load Capacity | 150ton |
Structural Composition
The steel box-girder bridge consists of:
- Top plate (bridge panel)
- Beam web
- Bottom plate
- Longitudinal stiffener
- Transverse stiffener
- Diaphragm plate (cross beam)
Standard plate thickness ranges from 12-30mm for main components and 10-20mm for secondary plates. Manufactured in factory fragments (10-30m sections) with site welding for final assembly.
Orthotropic Steel Bridge Panels
Featuring longitudinal rib sections in open and closed configurations with inverted T-shape cross-sections for optimal structural performance.
Bridge Types and Applications
Box girder construction serves as the primary beam form for various bridge types including beam bridges, suspension bridges, and cable-stayed bridges.
Single Box Steel Beam Bridge
Ideal for bridges with smaller widths (≤3 lanes) or width-to-span ratios <1/10. Features include:
- Effective flange width: main beam web interval ≤Le/5
- Main beam cantilever length ≤Le/10
- Steel deck improves bridge panel stiffness
Double Box Steel Girder Bridge
Recommended for wider bridges where single box dimensions become impractical for production, transportation, or installation.
Multi-box Steel Girder Bridge
Optimal solution for applications with small spans and large bridge widths, featuring uniformly spaced main beams for balanced load distribution.
Structural Support Systems
Engineered support configurations ensure structural stability:
- Single-box bridges require two end supports for torque resistance
- Multi-box bridges utilize one support per steel box
- Temporary fulcrum supports strengthen during construction
Mechanical Characteristics
Engineered to withstand various stress conditions:
- Compression flange stability under bending moment
- Torsional resistance through transverse partitions
- Web reinforcement to prevent buckling
Key Advantages
- Lightweight construction with steel savings up to 20%
- Superior flexural and torsional stiffness
- Rapid installation with minimal maintenance requirements
- Excellent suitability for continuous beam formation
- Aesthetic, streamlined appearance
- Hollow structure facilitates maintenance access
Applications
Versatile solutions for:
- Road bridges
- Railway crossings
- High-speed rail infrastructure
Evercross Steel Bridges Specifications
| Category | Specifications |
|---|---|
| Bridge Types | Bailey bridge, Modular bridge, 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 |
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
EVERCROSS BRIDGE TECHNOLOGY (SHANGHAI) CO.,LTD.
Location
10th Floor, Building 1, No. 188 Changyi Road, Baoshan District, Shanghai,China
Contact Person
Libby Chen