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A hollow structural section (HSS) is a type of metal profile with a hollow cross section. The term is used predominantly in the United States, or other countries which follow US construction or engineering terminology. HSS members can be circular, square, or rectangular sections, although other shapes such as elliptical are also available.
By 1963, a new structural system of framed tubes had appeared in skyscraper design and construction. Fazlur Rahman Khan, a structural engineer from Bangladesh (then called East Pakistan) who worked at Skidmore, Owings & Merrill, defined the framed tube structure as "a three dimensional space structure composed of three, four, or possibly more frames, braced frames, or shear walls, joined at or ...
Workers welding in parking garage. Welding is the main focus of steel fabrication. [8] Formed and machined parts are assembled and tack-welded in place, then rechecked for accuracy. If multiple weldments have been ordered, a fixture may be used to locate parts for welding. A welder then finishes the work according to engineering drawings (for ...
The sculpture is made up of metal, mesh, plaster and lighting. It is 58 feet (18 m) long,18 feet (5.5 m) wide and 24 feet (7.3 m) high. The large wire figures are welded metal and the inner children are made from plaster. [3] The lighting in the child figures is wired for 220 volts and operated by a generator. [2]
The theoretical basis of the box girder was largely the work of the engineer Sir William Fairbairn, with the aid of the mathematician Eaton Hodgkinson, around 1830.They sought to design for the most efficient beam possible in the new material of riveted wrought iron plates.
Cold-formed steel framing (CFSF) refers specifically to members in light-frame building construction that are made entirely of sheet steel, formed to various shapes at ambient temperatures. The most common shape for CFSF members is a lipped channel, although "Z", "C", tubular, "hat" and other shapes and variations have been used.
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Pegoretti used only steel and aluminum to create his frames, primarily using drawn tubes (including custom shapes based on his specifications and designs) from Excell, Dedacciai, and most recently Columbus. His most recent models included the Responsorium, Day is Done, Big Leg Emma, Mxxxxxo, Duende, Luigino, Love #3, and 8:30AM.