Large-Span Modern Steel Grid Roof Structure Solution Design Fabrication Installation Services
Item specifics
- Type
- Grid Steel Structure
- Steel Grade
- Q355B / Q420C (GB/T1591)
- Bolted ball joints
- GB/T 1231-2006
- Surface treatment
- Hot-dip galvanizing (≥80μm) or fluorocarbon coatin
- Node types
- Bolted ball / Welded ball / Intersecting joints
- Member specifications
- Φ48–Φ325mm seamless steel pipes
Review
Description
Quick Details
LONG-SPAN SPACE FRAME ROOF SYSTEM
The China Stadium Roof Steel Structure is a long-span space frame system for gymnasiums and arenas. Built with high-strength steel, it offers durability, seismic resistance, and fast installation, making it ideal for modern sports facilities. We deliver projects for main arenas of multi-purpose sports stadiums, athletics halls, speed skating arenas, and large-scale performance venues.
ITEM | PARAMETER |
Steel Grade | Q355GJC / Q460C (GB/T 19879) |
Steel Pipe Standard | GB/T 8162-2018 |
Corrosion Protection | Thermal Spray Aluminum (≥150μm) + Fluorocarbon Topcoat |
MECHANICAL PERFORMANCE | |
Joint Load Capacity | ≥1500 kN (Cast Steel Joints) |
Deflection Control | ≤1/400 of the span |
Wind Load Resistance | ≥1.5 kN/m² (50-year recurrence interval) |
INSPECTION & CERTIFICATION | |
Certified under CE / ISO 3834 Welding System | |
Includes third-party weld inspection reports (UT/RT testing) | |
Application | |
Main arenas of multi-purpose sports stadiums, Athletics halls / Speed skating arenas, Large-scale performance venues | |
TYPE of SPACE GRID STRUCTURE
Bolted Ball Joint Space Truss
Modular assembly with fast installation speed, ideal for projects with a high degree of standardization and industrialization.
Ball Joint Space Truss
High overall rigidity and structural stability, suitable for large-span or heavy-load projects.
CORE ADVANTAGES OF SPACE GRID STRUCTURES
Ultra-Large Span
The single span can reach over 150 meters, with no intermediate columns.
This roof system can cover an enormous area of more than 150 meters in width (or length) in a single span, without the need for any supporting columns in the middle. As a result, spectators' views are completely unobstructed, creating a spacious and open interior environment with maximum freedom of movement within the venue.
Lightweight and High Strength
The steel usage is only about one-third of that in traditional structures, with a self-weight of less than 40 kg/m².
The amount of steel used is approximately one-third of that in traditional large-span structures, significantly reducing material costs and lightening the load on the lower supporting structure.
Fast Construction
Modular prefabrication, with installation speed 50% faster than traditional structures.
All steel pipes and joint balls are prefabricated in the factory according to precise drawings, enabling bulk production. This method is at least 50% faster than the traditional on-site cutting and welding process.
Design Flexibility
Supports flat, curved, and irregular shapes.
Designers can flexibly tailor the structure to meet the architectural aesthetics of the stadium, making it possible to achieve complex and unique shapes.
Our Project
30,000 Seats National FIFA Stadium
73,000–75,000 Seats Guangzhou World-Class Football Stadium
Nansha Comprehensive Culture and Sports Complex
Nansha Stadium Upgrade and Renovation
Qingyuan Olympic Sports Center
Zhuhai Sports Center Renovation Phase I Project
Why Choose PFM
Specialized Solutions For Your Project
| Composite Roofing Systems | Innovative Technologies | |||||
| Space Truss + Aluminum-Magnesium-Manganese Panels (Economical Type) | + | Structural Health Monitoring System (Real-time monitoring of stress and deformation) | ||||
| Space Truss + ETFE Cushions (Translucent Type) | Digital Twin Platform (Used during operation and maintenance phase) | |||||
| Space Truss + Photovoltaic Panels (Energy-Generating Type) | ||||||
Our Supply Capacity
Design Capability
Design capability is the core prerequisite for supply capacity and serves as the endorsement of technical feasibility.
Maximum Design Span: 250 meters (validated by finite element analysis)
Seismic Resistance: Designed to meet Seismic Intensity 9 (GB50011-2010)
Manufacturing Capability
Manufacturing capacity is the solid foundation of our supply capabilities.
| ITEM | PARAMETER | ||
| Annual Production Capacity | 300,000 m² of truss structures | ||
| Main Material Specs | Ø100–Ø800 mm steel pipes / box beams | ||
| Joint Types | Intersecting joints / Cast steel joints / Flange connections | ||
Our Delivery & Support
Design Phase
BIM Model Provision (Revit/Tekla Format)
To avoid construction conflicts and reduce rework costs.
Wind and Snow Load Special Analysis Report
Customized simulations based on site-specific climate data.
Construction Phase
Professional Lifting Team (100% Certified Welders)
All work is fully traceable, with certified personnel operating all specialized equipment.
3D Scanning Acceptance (Deviation Control within ±3mm)
Quality Assurance System
30-Year Structural Lifespan Guarantee
Free Provision of "Truss Maintenance Manual"
Includes guidelines for bolt retightening cycles, corrosion protection coating repairs, and a sensor layout diagram for monitoring.
