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Portal Frames: The Backbone of Industrial Buildings Explained​

​I. Portal Frame: The Skeleton of Your Factory​​

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​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