The portal steel frame is a traditional structural system. The mainframe includes Steel Column and Roof Beam, and the secondary structure includes Bracing, Strut, Purlins, and tie rods.The Structural of Portal frame divided into Single Slopes, Double Slope, Multi-span with multi-gable roof, Multi-span with double-gable roof, and Muli-span with the single slope.
Steel Building Specification - Type of Portal Frame
The portal frame structure is mainly composed of steel columns and roof beams, and the frame is a plane loading system. To ensure longitudinal stability, which column bracing and roof bracing will arrange.
The portal frame divided into several forms, 1. Typical portal steel frame. 2. Steel frame with the crane. 3. Steel frame with mezzanine structure.