I. Portal Frame: The Skeleton of Your Factory
I. Portal Frame: The Skeleton of Your Factory
1. Core Components
Steel Columns: Vertical “legs” along building perimeter supporting the entire structure
Steel Beams: Horizontal members forming the “gate-shaped” frame, carrying roof loads
Connections: Critical “joints” where beams meet columns, determining structural stability
2. Key Functions
✅ Supports ALL loads (roof, walls, equipment)
✅ Resists lateral forces (wind, earthquakes)
✅ Enables clear spans 2-3X wider than concrete alternatives
II. Bracing System: The Ligament Network
1. Purlin Ties (Horizontal Braces)
Post time: Sep-02-2025