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| Deflection Type | Structural Members | Limitation |
|---|---|---|
| Vertical Deflection | Portal frame rafter (standard) | L/180 |
| Vertical Deflection | Mezzanine floor main beam | L/400 |
| Lateral Deflection | Wall panel | L/100 |
| Lateral Deflection | Wind columns | L/250 |
| Component | Specification | Yield Strength |
|---|---|---|
| Built-up Plates | GB/T1591 | Fy = 34.5 kN/cm² |
| Hot Rolled Beams | GB/T11263 | Fy = 23.5 kN/cm² |
| Cold Formed Purlins | GB/T 2518 | Fy = 45.0 kN/cm² |
| High Strength Bolts | GB/T 1228 | Fu = 72 to 83 kN/cm² |