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  2. Howe truss - Wikipedia

    en.wikipedia.org/wiki/Howe_truss

    A Howe truss is a truss bridge consisting of chords, verticals, and diagonals whose vertical members are in tension and whose diagonal members are in compression. The Howe truss was invented by William Howe in 1840, and was widely used as a bridge in the mid to late 1800s.

  3. Frame and panel - Wikipedia

    en.wikipedia.org/wiki/Frame_and_panel

    Frame and panel construction, also called rail and stile, is a woodworking technique often used in the making of doors, wainscoting, and other decorative features for cabinets, furniture, and homes. The basic idea is to capture a 'floating' panel within a sturdy frame, as opposed to techniques used in making a slab solid wood cabinet door or ...

  4. History of the railway track - Wikipedia

    en.wikipedia.org/wiki/History_of_the_railway_track

    The railway track or permanent way is the elements of railway lines: generally the pairs of rails typically laid on the sleepers or ties embedded in ballast, intended to carry the ordinary trains of a railway. It is described as a permanent way because, in the earlier days of railway construction, contractors often laid a temporary track to ...

  5. Flitch beam - Wikipedia

    en.wikipedia.org/wiki/Flitch_beam

    Flitch beam. A flitch beam (or flitched beam) is a compound beam used in the construction of houses, decks, and other primarily wood-frame structures. Typically, the flitch beam is made up of a vertical steel plate sandwiched between two wood beams, the three layers being held together with bolts. In that common form it is sometimes referenced ...

  6. Bent (structural) - Wikipedia

    en.wikipedia.org/wiki/Bent_(structural)

    Bent (structural) A bent in American English is a transverse rigid frame (or similar structures such as three-hinged arches). Historically, bents were a common way of making a timber frame; they are still often used for such, and are also seen in small steel-frame buildings, where the term portal frame is more commonly used.

  7. Truss - Wikipedia

    en.wikipedia.org/wiki/Truss

    A truss is an assembly of members such as beams, connected by nodes, that creates a rigid structure. [1] In engineering, a truss is a structure that "consists of two-force members only, where the members are organized so that the assemblage as a whole behaves as a single object". [2] A "two-force member" is a structural component where force is ...

  8. Plateway - Wikipedia

    en.wikipedia.org/wiki/Plateway

    The rails have an 'L' cross-section and the wheels have no flange. A plateway is an early kind of railway, tramway or wagonway, where the rails are made from cast iron. They were mainly used for about 50 years up to 1830, though some continued later. Plateways consisted of L-shaped rails, where the flange on the rail guides the wheels, in ...

  9. Railway track - Wikipedia

    en.wikipedia.org/wiki/Railway_track

    Europe. Australia. A railway track (British English and UIC terminology) or railroad track (American English), also known as a train track or permanent way (often " perway " [1] in Australia), is the structure on a railway or railroad consisting of the rails, fasteners, railroad ties (sleepers, British English) and ballast (or slab track), plus ...

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