Contemporary Highway Steel Arch Bridge Combined System High Performance
| Attribute | Value |
|---|---|
| Product Name | Steel Arch Bridge |
| Bridge Deck | Concrete Deck |
| Material | Prefabricated Steel |
| Surface Finish | Shot blasting, painted |
| Type | Upper bearing type, Middle bearing type, Lower bearing type |
| Application | Highway, Railway, Pedestrian Bridge |
The upper structure of steel arch bridge is mainly composed of arch ring, suspension rod (or arch column), tie rod, bridge beam and other components.
Steel arch bridges feature an arch-shaped structure that provides exceptional strength and stability. The arch efficiently distributes bridge and traffic loads to abutments or piers through compression forces.
- By section form: Steel box arch, steel pipe arch, steel truss arch
- By carriageway position: Upper bearing type, middle bearing type, lower bearing type
- By arch rib configuration: Parallel arch ribs, basket arch ribs, butterfly arch ribs
- By boom layout: Parallel vertical boom, inclined boom, mesh boom
Simple system arch bridge: Only the arch ring bears forces as a thrust arch structure.
Combined system arch bridge: Carriageway beam and arch work together to share forces.
The primary load-bearing member that mainly withstands axial pressure. Available in truss, box, or plate configurations. Truss arches offer lightweight construction with excellent span capacity.
Transfers deck loads to arch ribs. Available as rigid (steel pipe/section) or flexible (high-strength wire) configurations with various layout options.
Absorbs arch thrust in non-thrust arch designs. Available in rigid or flexible configurations.
Enhances transverse stiffness and stability. Common configurations include one-word, K-shaped, X-shaped, and meter-shaped braces.
- Rise span ratio: Typically 1/4~1/7 (1/4~1/5 for truss arches)
- Arch rib height: Equal height or variable height configurations
- Arch axis: Arc line, quadratic parabola, or catenary curves
- Highway bridges with spans up to 552m
- Railway bridges for extended spans
- Pedestrian bridges combining safety and aesthetic appeal
| Category | Specifications |
|---|---|
| Bridge Types | Bailey bridge, Modular bridge, Truss 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 | EN10025 S355JR S355J0/EN10219 S460J0/EN10113 S460N/BS4360 Grade 55C, ASTM A572/A572M GR50/GR65, GB1591 GB355B/C/D/460C |
| Certificates | ISO9001, ISO14001, ISO45001, EN1090, CIDB, COC, PVOC, SONCAP |
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