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https://www.steelconstruction.info/Portal_frames
It is a simple variation of the pitched roof portal frame, and tends to be used for smaller buildings (up to 15 m span). Propped portal frame. Where the span of a portal frame is large and there is no requirement to provide a clear span, a propped portal frame can be used to reduce the rafter size and also the horizontal shear at the foundations.
https://www.strongtie.com/products/lateral-systems/strong-wall-shearwalls/wood-strong-wall/garage-portal
Portal walls shall be installed with a minimum 12" nominal deep header for adequate shear nailing. Because the portal walls and header are tested as a system, the resulting portal frame offers superior engineered performance over site-built walls. See installation information and Structural Details.
https://www.slideshare.net/gracehenry142/portal-frame-structural-systems
Feb 16, 2016 · PORTAL FRAME- Structural systems 1. PORTAL FRAME G r a c e H e n r y & M i d h u n a S u r e s h 2. INTRODUCTION • Developed during second world war, but now the most common form of enclosure for spans of 20 to 60 m.
https://en.wikipedia.org/wiki/Portal_frame
Portal frame structures are designed to span between supports and rely on fixed joints with moment resisting capacity where vertical supports connect to horizontal beams or trusses. Portal frame structures can be constructed using a variety of materials and methods.
https://www.jlconline.com/how-to/framing/the-portal-frame-option_o
The drawing on the facing page illustrates portal frames incorporated into several different wall configurations. In each example, using a portal frame provides bracing capability, where otherwise you would need a wider wall or a proprietary system. In case A, just one side of the opening receives the reinforced portal frame corner.
https://www.ungersteel.com/unger/insider_wissen/S04_Design_portal_frames.pdf
efficiency. Bespoke software for portal frame design is widely available, which will: undertake elastic-plastic analysis allow for second order effects verify members verify connections. Generally, a number of different load combinations will have to be considered during the design of a portal frame.
https://www.strongtie.com/products/lateral-systems/strong-wall-shearwalls/site-built-portal-frame-system
The Strong-Wall site-built portal frame system (PFS) provides designers, builders and contractors in prescriptive markets with an easy way to meet code-required wall …
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