2. Construction: Stentless rotation, 8000t weight.
3. Material: Q420qD steel, 100% CTOD welding test.
4. Anti - Corr: 150μm Al spray, fluorocarbon topcoat (GB/T 30790 C5M).
5. Inspection: Full - bridge monitoring, 200+ sensors.
6. Delivery: 20 - m arch rib, 1201t/month.
Long-Span Steel Arch Bridge: Innovative Engineering Solutions by Shenyang Zhongda
Shenyang Zhongda Steel Structure Engineering Co., Ltd. is your premier manufacturer and supplier of Long-Span Steel Arch Bridge. Our cutting-edge designs and advanced fabrication techniques ensure superior quality, durability, and cost-effectiveness for your large-scale infrastructure projects.
Product Description:
Our products are engineered to meet the most demanding requirements of modern infrastructure. Featuring innovative arch rib designs with pentagonal steel box sections, these bridges offer exceptional strength and stability. The arch ribs, measuring 3.2m in width and 4.5m in height, are designed to withstand wind pressures of up to 1.5kN/㎡, ensuring reliability in various environmental conditions.
We utilize Q420qD weathering steel, known for its superior corrosion resistance and longevity. Our proprietary stentless rotation construction technology allows us to handle rotation weights of up to 8,000 tons, significantly reducing construction time and costs.
Product Features:
- High-strength Q420qD weathering steel for extended lifespan
- Innovative pentagonal steel box arch rib design for enhanced stability
- Stentless rotation construction technology for efficient installation
- Wind resistance up to 1.5kN/㎡
- Customizable designs to suit specific project requirements
Quality Control:
Our commitment to quality is evident in our rigorous testing procedures. We achieve a 100% pass rate in CTOD (Crack Tip Opening Displacement) tests, ensuring the highest welding quality standards. Our anti-corrosion system incorporates arc-sprayed aluminum (150μm) and a fluorocarbon topcoat meeting GB/T 30790 C5M level specifications, providing superior protection against environmental factors.
Why Choose Us?
- National High-Tech Enterprise with Class I Steel Structure Professional Contracting Qualification
- ISO 9001/14001/45001 certified operations
- 60,000-ton annual precision fabrication capacity
- Advanced CNC equipment for high-precision production
- Expertise in BIM-based digital design and lifecycle management
- Proven track record with over 60 landmark projects completed
Production Process:
- Design and engineering
- Material procurement and quality inspection
- CNC cutting and fabrication
- Assembly and welding
- Quality control and testing
- Surface treatment and anti-corrosion application
- Pre-assembly and inspection
- Disassembly for transportation
OEM & ODM Services:
At Shenyang Zhongda, we offer comprehensive OEM and ODM services tailored to your specific Long-Span Steel Arch Bridge requirements. Our experienced team can customize every aspect of the bridge design, from arch rib configurations to material specifications. We can produce arch rib prefabrications in 20-meter sections, with a monthly production capacity of 1,200 tons.
Our design capabilities extend to full-bridge health monitoring systems, incorporating over 200 sensors for comprehensive data collection and analysis. This ensures optimal performance and longevity of your producte.
Project Cases:
- Shenyang Dongta Cross-Hunhe River Bridge: An 18,000-ton masterpiece showcasing our expertise in large-scale steel arch bridge construction.
- Jingha Expressway Expansion: Demonstrating our ability to integrate products into complex highway systems.
- International projects: We've supplied components for Australian mining crushing stations, highlighting our global reach and versatility.
Certifications:
- ISO 9001:2015 Quality Management System
- ISO 14001:2015 Environmental Management System
- ISO 45001:2018 Occupational Health and Safety Management System
- EN 1090 Execution of Steel Structures and Aluminium Structures
Packaging and Delivery:
When it comes to transporting bridge components, we prioritize safety above all else. Our experts ensure secure packaging, using heavy - duty materials and advanced cushioning techniques to protect each part from bumps and jolts during transit. Our dedicated logistics team then steps in. They work closely with you to understand your construction schedule, offering flexible options for full or partial shipments. This way, we guarantee timely delivery to your project site, keeping your bridge - building process on track and minimizing any potential delays.
FAQ:
Q: What is the typical lifespan of your products?
A: With proper maintenance, our bridges can last over 100 years due to high-quality materials and advanced anti-corrosion systems.
Q: Can you handle international projects?
A: Yes, we comply with international standards like EN 1090, AWS, and JIS, enabling seamless integration into global EPC project chains.
Q: What after-sales support do you offer?
A: We provide comprehensive technical consultation, maintenance guidance, and ongoing support throughout the bridge's lifecycle.
Contact Us:
Ready to elevate your infrastructure project with a Long-Span Steel Arch Bridge? Contact our expert team at Ava@zd-steels.com for a personalized consultation and quote.
YOU MAY LIKE