Prefabricate Plate Girder Railway Bridge Small Span Low Maintenance
| Attribute | Value |
|---|---|
| Product Name | Steel Plate Girder Bridge |
| Material | Prefabricated Steel |
| Spans | Short And Medium Spans |
| Bridge Deck | Composite Deck |
| Type | Girder |
| Maintenance Cost | Low |
A steel plate girder bridge is composed of steel plates welded, bolted or riveted to form a solid belly steel beam as the main bearing structure, with a cross section that is mostly I-shaped.
By driving mode: Upper bearing plate beam and bottom bearing plate beam.
By connection type: Riveted plate beam, fully welded plate beam and bolted welded plate beam.
The economic span of simply supported steel plate girder bridge is generally below 40m, while continuous steel plate girder bridge can reach up to 60m.
Composition:
- Load-bearing structure (main beam)
- Bridge floor
- Connecting system
- Support
The bridge deck is located on the upper flange of the main beam. The main load-bearing structure consists of two steel plate beams that primarily bear vertical loads.
Small spans can use equal section beams, while larger spans may require variable section beams for optimal performance.
Key Characteristics:
- Lower building height (from rail bottom to beam bottom)
- Requires more materials and manufacturing labor
- Cannot be transported as whole units, increasing installation workload
- Components are ideal for industrial manufacturing methods
- Easy to transport with fast on-site installation
- Simple to repair and replace after damage
- Requires regular maintenance due to weather exposure
Highway and roadway bridges: Accommodate heavy traffic loads and span long distances for major transportation corridors.
Railway bridges: Support heavy train loads while providing necessary clearance for rail traffic in both mainline railways and light rail systems.
- High strength-to-weight ratio
- Exceptional durability
- Streamlined construction process
- Off-site fabrication reduces construction time and traffic disruption
| 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 |
| Steel Grade | Various international standards including EN10025, AS/NZS3678, ASTM A572, GB1591 |
| Certifications | ISO9001, ISO14001, ISO45001, EN1090, CIDB, COC, PVOC, SONCAP |
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