Concrete Deck Steel Frame Bridge with Rigid Arch & Beam Design | 10M-300M Span | HS20-44 Loading Capacity
Price:
1000USD ~ 2000USD Per ton
MOQ:
negotiation
Delivery Time:
negotiation
Brand:
EVERCROSS
Product Description
Steel Arch Bridge Structural Overview
The upper structure of steel arch bridges consists of arch ring, suspension rods (or arch columns), tie rods, bridge beams, and other critical components designed for optimal load distribution and structural integrity.
Structural Classification Systems
By Structural Form
- Main arch ring section: Steel box arch, steel pipe arch, steel truss arch
- Arch rib spatial configuration: Parallel arch ribs, basket arch ribs, butterfly arch ribs
- Carriageway position: Upper bearing, middle bearing, and lower bearing types
- Boom layout: Parallel vertical boom, inclined boom, mesh boom
By Structural System
- Simple system arch bridge: Arch ring bears all forces with thrust handled by piers/foundations
- Combined system arch bridge: Carriageway beam and arch work together for load distribution
Main Arch Structure Design
Steel arches can be designed as truss arches, box arches, or plate arches. Truss arch bridges represent a significant form for large-span rigid arch construction.
Key Design Parameters
- Arch rib truss layout and configuration
- Arch axis optimization for load distribution
- Vector span ratio selection (typically 1/4-1/5 for steel truss arches)
- Vault and arch foot height specifications
- Boundary conditions and structural constraints
- Bar section form and area calculations
Primary Structural Components
Arch Rib
Main load-bearing member primarily handling axial pressure with partial bending moment resistance. Available in box, pipe, and truss configurations with truss types offering superior weight efficiency and span capacity.
Boom Systems
Force transfer components transmitting deck loads to arch ribs. Rigid booms (steel pipe/section steel) handle compression, while flexible booms (high-strength steel wire) provide tension-only solutions with construction efficiency.
Tie Rods
Critical for non-thrust arches, bearing substantial axial tension to manage arch thrust forces internally.
Cross Bracing
Essential for transverse stiffness and stability, available in one-word, K-shaped, X-shaped, and meter-shaped configurations based on structural requirements.
Technical Specifications
| Parameter | Specification |
|---|---|
| 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, NATO STANAG MLC80/MLC110, Truck-60T, Trailer-80/100Ton |
| Steel Grade | EN10025 S355JR, S460J0, ASTM A572 GR50/GR65, GB355B/C/D/460C |
| Certifications | ISO9001, ISO14001, ISO45001, EN1090 |
| Welding Standards | AWS D1.1/D1.5, AS/NZS 1554 |
| Galvanization | ISO1461, AS/NZS 4680, ASTM-A123 |
Key Advantages
- Exceptional strength and durability with high-strength steel construction
- Efficient load distribution through arch-shaped design
- Superior span capacity from 10M to 300M
- Multiple loading capacity options for various applications
- International certifications ensuring quality and compliance
- Ductile material properties for resilience against dynamic loads
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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
ROOM 403,NO.2 BUILDING,NO.269 TONGXIE ROAD,CHANGNING DISTRICT,SHANGHAI,CHINA
Contact Person
Libby Chen