Fully-Welded Structural Steel Bridge Superstructure

• Customization: Available
• After-sales Service: Installation Guidance/After-Sales Warranty
• Scale: Large Bridge
• Model NO.: Bridge 17
• Usage: Footbridge, Highway Bridge, Over Water Bridge, Railway Bridge, Viaduct
• Bridge Type: Beam/Truss Bridges, Composite System Bridges, etc
• Main Beam Structure: Box Beam, I-Beam, Truss Beam, Composite Beam
• Span Range: It Depends on The Customer′s Demand.
• Cross-Sectional Forms: Rectangular, Trapezoidal, Irregular Shapes, etc
• Connection Methods: Welding, Bolt Connection, Riveting
• Steel Types: Q235, Q345b, Q420, S355, ASTM A572
• Steel Strength: It Depends on The Span of The Bridge
• Anti-Corrosion Coating: Hot-DIP Galvanizing/Paint Spraying
• Design Life: 50 Years, 100 Years
• Welding Processes: Saw/Gmaw/MIG/Smaw
• Bolt Grades: 8.8 Grade, 10.9 Grade
• Prefabricated Section Lengths: 10m, 20m, 30m (Modular Design)
• Construction Methods: Overall Hoisting, Segmented Assembly
• Foundation Types: Pile/Expanded/Caisson Foundation
• Connection Nodes: Rigid Nodes, Articulated Nodes, Semi-Rigid Nodes
• Transport Package: Standard Sea Worthy Package
• Specification: Can be tailored to meet your needs.
• Trademark: Jiuyuan
• Origin: China
• HS Code: 7308100000
• Production Capacity: 50, 000 Tons/Year
• Package Size: 1200.00cm * 235.00cm * 265.00cm
• Package Gross Weight: 20000.000kg

Product Description

Company Profile

 

Established in 2020, Shandong JiuYuan Steel Structure Co., Ltd. specializes in delivering high-quality integrated services for steel structure design, manufacturing, and construction. Despite being a young company, our core team-spanning from management to frontline workers-hails from Shandong's leading state-owned steel structure enterprise, bringing over 16 years of industry expertise and profound technical capabilities. This ensures end-to-end professional control from design to project execution.

 

Certifications

 

 

Product Description

Product types: box girder bridge/truss bridge/cable-stayed bridge/suspension bridge, etc

Application scenarios: highways, railways, pedestrian overpasses, industrial zones, etc

Core advantages: Lightweight design, high strength, earthquake and wind resistance, long service life (over 50 years)

Material process: Q345B/Q460C steel, hot-dip galvanizing for anti-corrosion, and automated welding technology

Customized services: Support personalized design for span, load, and appearance color

 

Product Parameters

 

Parameter item	Specification Description
Maximum span	50m-500m (customizable as required)
Design load	Highway - Class I /AASHTO standard /EN 1991
Steel grade	GB/T 1591 Q355B/Q460C
Anti-corrosion standard	ISO 12944 C5-M anti-corrosion coating + hot-dip galvanizing
Seismic resistance grade	8-degree defense (in compliance with GB 50011)
Design life	≥50 years

 

Packaging & Shipping

 

Anti-damage packaging: segmented strapping of steel components + anti-rust film + custom wooden box

Transportation plan:

Land transportation: For extra-long items, professional flatbed trucks and cars will be used to lead the way

Sea transportation: Containers/bulk carriers (with container loading diagrams provided)

Global delivery: Supports FOB/CIF terms and provides export documents
 

Our Advantages

 

Cost optimization: Modular design reduces construction costs by 20%

Fast delivery: The production cycle of standardized components is ≤45 days

Smart Services: Provide a digital management platform for the entire life cycle

Green and environmentally friendly: 95% of the materials are recyclable, which is a plus point for LEED certification

 

After Sales Service

 

Warranty commitment: The main structure is guaranteed for 10 years, and the anti-corrosion system is maintained for 5 years

Emergency response: Dispatch personnel to the site within 72 hours to solve technical problems

Regular follow-up visits: Free structural health checks once a year

Upgrade service: Technical support for load expansion and renovation

 

FAQ

 

Q1: What is the minimum order quantity?
A: For standard bridge projects, single orders should be no less than 200 tons, and multi-project consolidation is supported.

Q2: Can you provide the verification of the design plan?
A: Free finite element analysis reports are provided to ensure compliance with local standards.

Q3: How to handle on-site dimensional errors?
A: Reserve ±50mm adjustment margin and be equipped with a professional calibration team.

Q4: How is its performance in extreme climates?
A: Environmental verification within the temperature range of -40ºC to +60ºC, certified through wind tunnel tests.