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  2. Steel frame - Wikipedia

    en.wikipedia.org/wiki/Steel_frame

    Steel frame structure 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 ...

  3. Titanium alloys - Wikipedia

    en.wikipedia.org/wiki/Titanium_alloys

    Titanium alone is a strong, light metal. It is stronger than common, low-carbon steels, but 45% lighter. It is also twice as strong as weak aluminium alloys but only 60% heavier. Titanium has outstanding corrosion resistance to seawater, and thus is used in propeller shafts, rigging and other parts of boats that are exposed to seawater.

  4. Framing (construction) - Wikipedia

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

    Braced frame construction, also known as full frame, half frame, [6] New England braced frame, [7] combination frame, [8] is an early form of light framing developed from the heavier timber framing which preceded it. It is defined by the continued use of girts, corner posts, and braces.

  5. Open web steel joist - Wikipedia

    en.wikipedia.org/wiki/Open_web_steel_joist

    Steel joists and Joist Girders being erected. In structural engineering, the open web steel joist (OWSJ) is a lightweight steel truss consisting, in the standard form, of parallel chords and a triangulated web system, proportioned to span between bearing points.

  6. Hydroforming - Wikipedia

    en.wikipedia.org/wiki/Hydroforming

    Hydroforming is a means of shaping ductile metals such as aluminium, brass, low alloy steel, and stainless steel into lightweight, structurally stiff and strong pieces. One of the largest applications of cost-effective hydroforming is the automotive industry, which makes use of the complex shapes made possible by hydroforming to produce ...

  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. [1] The result is wide spans and open floors. Portal frame structures can be constructed using a variety of materials and ...