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  2. Construction of the World Trade Center - Wikipedia

    en.wikipedia.org/wiki/Construction_of_the_World...

    The framed-tube concept, earlier introduced by Bangladeshi-American structural engineer Fazlur Rahman Khan, [96] was a major innovation, allowing open floor plans and more space to rent. The tube-frame design required 40 percent less structural steel than conventional building designs. [97]

  3. Lustron house - Wikipedia

    en.wikipedia.org/wiki/Lustron_house

    1950. ( 1950) Lustron houses are prefabricated enameled steel houses developed in the post- World War II era United States in response to the shortage of homes for returning G.I.s by Chicago industrialist and inventor Carl Strandlund. Considered low-maintenance and extremely durable, they were expected to attract modern families who might not ...

  4. Steel frame - Wikipedia

    en.wikipedia.org/wiki/Steel_frame

    Steel frame. Rectangular steel frame, or "perimeter frame" of the Willis building (at right) contrasted against the diagrid frame at 30 St Mary Axe (at center), in London. Steel frame is a building technique with a " skeleton frame" of vertical steel columns and horizontal I-beams, constructed in a rectangular grid to support the floors, roof ...

  5. Framing (construction) - Wikipedia

    en.wikipedia.org/wiki/Framing_(construction)

    Framing side by side units. The erection of a wooden frame in Sabah, Malaysia. Framing, in construction, is the fitting together of pieces to give a structure support and shape. [ 1] Framing materials are usually wood, engineered wood, or structural steel. The alternative to framed construction is generally called mass wall construction, where ...

  6. BISF house - Wikipedia

    en.wikipedia.org/wiki/BISF_house

    BISF house. Original (right) and externally cladded (left) BISF type houses at Moss Road and Bardrainney Avenue, Port Glasgow. The BISF house is a type of steel-framed prefabricated house that was built in large numbers in England, Scotland and Wales from 1946. It was designed and produced by the British Iron and Steel Federation (BISF), and ...

  7. Portal frame - Wikipedia

    en.wikipedia.org/wiki/Portal_frame

    A portal frame steel building under construction. Portal frame is a construction technique where vertical supports are connected to horizontal beams or trusses via fixed joints with designed-in moment-resisting capacity. The result is wide spans and open floors. Portal frame structures can be constructed using a variety of materials and methods.

  8. Gothic-arch barn - Wikipedia

    en.wikipedia.org/wiki/Gothic-arch_barn

    The Gothic-arch design was featured on both the front and back cover of The Book of Barns - Honor-Bilt-Already Cut catalog published by Sears Roebuck in 1918. It was the most popular roof design for barns sold by Sears. In 1915, Sears sold a 42-by-60-foot (13 m × 18 m) Gothic-arch barn for $1,500.

  9. A-frame building - Wikipedia

    en.wikipedia.org/wiki/A-frame_building

    A-frame buildings are an ancient form in Europe (e.g. cruck frame construction or grubenhaus ), China, and the South Pacific islands. Sometimes called a roof hut, these were simple structures used for utilitarian purposes until the 1950s. [2] In 1934, R. M. Schindler built the first modern A-frame house, for owner Gisela Bennati, in Lake ...

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