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  2. Level junction - Wikipedia

    en.wikipedia.org/wiki/Level_junction

    A level junction (or in the United Kingdom a flat crossing) is a railway junction that has a track configuration in which merging or crossing railroad lines provide track connections with each other that require trains to cross over in front of opposing traffic at grade (i.e. on the level).

  3. Flat wagon - Wikipedia

    en.wikipedia.org/wiki/Flat_wagon

    Flat wagons for carrying timber: the Class Snps 719 (front) and the Class Roos-t 642 (behind). Flat wagons (sometimes flat beds, flats or rail flats, US: flatcars), as classified by the International Union of Railways (UIC), are railway goods wagons that have a flat, usually full-length, deck (or 2 decks on car transporters) and little or no superstructure.

  4. Rail profile - Wikipedia

    en.wikipedia.org/wiki/Rail_profile

    Vignoles rail is the popular name for flat-bottomed rail, recognising engineer Charles Vignoles who introduced it to Britain. Charles Vignoles observed that wear was occurring with wrought iron rails and cast iron chairs on stone blocks, the most common system at that time.

  5. Flatcar - Wikipedia

    en.wikipedia.org/wiki/Flatcar

    A flatcar (US) (also flat car, [1] or flatbed) is a piece of rolling stock that consists of an open, flat deck mounted on trucks (US) or bogies (UK) at each end. Occasionally, flat cars designed to carry extra heavy or extra large loads are mounted on a pair (or rarely, more) of bogies under each end.

  6. Railway track - Wikipedia

    en.wikipedia.org/wiki/Railway_track

    Heavier rail can support greater axle loads and higher train speeds without sustaining damage than lighter rail, but at a greater cost. In North America and the United Kingdom, rail is graded in pounds per yard (usually shown as pound or lb), so 130-pound rail would weigh 130 lb/yd (64 kg/m). The usual range is 115 to 141 lb/yd (57 to 70 kg/m).

  7. History of the railway track - Wikipedia

    en.wikipedia.org/wiki/History_of_the_railway_track

    Many railways preferred a flat bottom rail section, where the rails could be laid directly on the sleepers, representing a marked cost saving. Indenting of the sleeper was the problem; where the traffic was heavy, it became necessary to provide a sole plate under the rails to spread the load on the tie, partly vitiating the cost saving.

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  9. Glossary of rail transport terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_rail_transport...

    Rail profile Rail profiles for flat-bottom and bullhead rails The cross section shape of rail. There are many rail profiles, often specific to individual railroads. Rails must be periodically scanned electronically, the data inspected and analysed, then re-profiled with rail grinding machines to maintain the safe and proper rail profile. Rails ...

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