portal frame

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portal frame

n
(Building) civil engineering building trades a frame, usually of steel, consisting of two uprights and a cross beam at the top: the simplest structural unit in a framed building or a doorway
References in periodicals archive ?
Contract Award Notice: The works covered comprise:The erection of 4 No light industrial units and associated parking comprising concrete floor slab, steel portal frames with insulated wall and roof panels including rooflights and associated mechanical and electrical works.
Chapters cover limit-state design, materials, beams, plate girders, tension members, compression members, trusses and bracing, portal frames, connections, workshop steelwork design example, and steelwork detailing.
Industrial units at Admiral Point have clear portal frames, eaves height of up to 7.
Each unit has steel portal frames with internal office facilities.
The first stage of construction is now complete at Spectrum Business Park in Dawdon with the majority of portal frames now in position on the 40,000 sq ft site.
A simple long glass box would not do, so Jim Eyre evolved a proposal that involved creating a tube out of square portal frames that are rotated, ensuring that at each end the bridge is level and square to the facade it addresses.
Spaceage was founded 20 years ago and as well as conservatories, it makes all kinds of structures from car ports to full portal frames and carries a range of windows, doors, coloured fascias and rain water goods.
Another critical phase early on was to make sure all the pre-engineered steel with portal frames was clear of all windows and wall locations.
Contract Awarded for Providing 5,000 tonnes of structural steel for the project, including portal frames and stability bracing designed to split the warehouse into five separate compartments.