The Hangzhou Olympic Sports Center Main Stadium (“Big Lotus”) is an architectural landmark featuring an innovative spatial steel structure formed by 28 dynamic petal-shaped cantilever trusses. Utilizing approximately 28,000 metric tons of high-strength structural steel, this 80,000-seat megastructure achieves a lightweight yet extremely rigid spatial frame. The project highlights advanced 3D spatial pipe bending, high-precision CNC fabrication, complex multi-planar node welding, and 100% NDT-certified quality control.
Hangzhou Olympic Sports Center
Project case introduction
Project parameters panel
- Location: Hangzhou, China
- Structure Type: Spatial Curved Pipe Truss & Cantilever Petal System
- Steel Tonnage: ~28,000 Metric Tons
- Capacity: 80,000 Seats
- Steel Grade: Q345B, Q345GJB (High-Strength Structural Steel)
- Key Process: 3D Spatial Pipe Bending | Multi-Planar Node Welding | 100% NDT Inspection | Pre-assembly Control
