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  2. Tube (structure) - Wikipedia

    en.wikipedia.org/wiki/Tube_(structure)

    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 ...

  3. AutoCAD version history - Wikipedia

    en.wikipedia.org/wiki/AutoCAD_version_history

    The first release of the software started with version 1.0 in December 1982. [1] The software has been continuously updated since its initial release. AutoCAD opens documents with DWG compatibility as a "DWG file format version code" where the specific version code can be found by opening the .dwg file in Windows Notepad or any text editor ...

  4. Skyscraper design and construction - Wikipedia

    en.wikipedia.org/wiki/Skyscraper_design_and...

    Tube-frame construction was first used in the DeWitt-Chestnut Apartment Building, designed by Khan and completed in Chicago in 1963. [5] It was used soon after for the John Hancock Center and in the construction of the World Trade Center. A variation on the tube frame is the bundled tube, which uses several interconnected tube frames.

  5. List of BIM software - Wikipedia

    en.wikipedia.org/wiki/List_of_BIM_software

    Comparison of computer-aided design software; List of 3D modeling software; List of 3D computer graphics software; List of CAx companies; List of computer-aided engineering software; List of computer-aided manufacturing software; List of free and open-source software packages; Navisworks; Open Design Alliance; Procore

  6. Structural engineering - Wikipedia

    en.wikipedia.org/wiki/Structural_engineering

    Since the 1990s, specialist software has become available to aid in the design of structures, with the functionality to assist in the drawing, analyzing and designing of structures with maximum precision; examples include AutoCAD, StaadPro, ETABS, Prokon, Revit Structure, Inducta RCB, etc. Such software may also take into consideration ...

  7. History of structural engineering - Wikipedia

    en.wikipedia.org/wiki/History_of_structural...

    [32] [33] He 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 near their edges to form a vertical tube-like structural system capable of resisting lateral forces in any direction by cantilevering from the foundation."

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