Modular Steel Cable Tower Bridge Permanent Rigid Frame Large Span
Price:
1000USD ~ 2000USD Per ton
MOQ:
negotiation
Delivery Time:
negotiation
Brand:
EVERCROSS
Product Description
Modular Steel Cable Tower Permanent Rigid Frame Large Span Bridge
Key Specifications
| Product Name | Cable-stayed bridge |
| Material | Steel |
| Spans | Large Span |
| Type | Steel Truss Bridge |
| Usage | Permanent Bridge |
| Length / Width | Customized |
Structural Overview
The cable-stayed bridge, also known as a diagonal bridge, features a structural system where the main beam is directly supported by multiple cables attached to bridge towers. This system consists of three primary components: the pressurized tower, strained cables, and bent beam body.
Primary Components
- Main Beam: Typically constructed from concrete, steel-concrete composite, or pure steel structure
- Cable Tower: Primarily concrete structures, with some steel-concrete combinations or pure steel variants
- Stay Cable: Manufactured from high-strength materials like steel wire or steel strand
The cable-supported design significantly reduces beam bending moments, allowing for smaller beam dimensions (typically 1/50 to 1/200 of the span) while increasing the bridge's crossing capacity.
Span Configurations
- Twin Tower Three Span: Ideal for crossing large rivers with its substantial main span
- Single Tower Double Span: Suitable for small-to-medium rivers and urban channels
- Multi-Tower Designs: Require careful engineering to control tower displacement and beam bending moments
The key to multi-tower cable-stayed bridge design lies in controlling horizontal displacement of middle tower tops under live load and reducing mid-span bending moments in the main beam.
Cable Tower Design
Cable towers serve as both structural supports and aesthetic elements. Their design must accommodate cable arrangements while maintaining axial compression under dead load. Common configurations include single-column, A-shape, and inverted Y-type towers.
Stay Cable Arrangements
Modern cable-stayed bridges typically use dense cable systems with spacing of 4-20m, offering advantages in beam moment reduction, anchoring simplicity, and construction safety.
Structural Advantages
- Compact beam dimensions with exceptional crossing capacity
- Minimal clearance and elevation restrictions
- No need for complex anchorage structures
- Adaptability to cantilever construction methods
Evercross Steel Bridges Specifications
| Bridge Types | Bailey, Modular, Truss, Warren, Arch, Plate, Beam, Box girder, Suspension, Cable-stayed, Floating bridges |
| Design Spans | 10M to 300M single span |
| Carriage Way | Single lane, double lanes, multilane, walkway |
| Loading Capacity | AASHTO HL93.HS15-44 to HS25-44, BS5400 HA+20HB to HA+30HB, NATO STANAG MLC80/MLC110, and various international standards |
| Steel Grade | Multiple international standards including EN10025, ASTM A572, GB1591 |
| Certifications | ISO9001, ISO14001, ISO45001, EN1090, and various international compliance certificates |
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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