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railroad concrete tie

См. также в других словарях:

  • Railroad tie — While wooden ties dominate North American railways, concrete is widely used in other parts of the world. A railroad tie/railway tie (North America), or railway sleeper (Europe) is a rectangular item used to support the rails in railroad tracks.… …   Wikipedia

  • railroad — /rayl rohd /, n. 1. a permanent road laid with rails, commonly in one or more pairs of continuous lines forming a track or tracks, on which locomotives and cars are run for the transportation of passengers, freight, and mail. 2. an entire system… …   Universalium

  • Concrete sleeper — A concrete sleeper is a railroad tie made out of steel reinforced concrete. Concrete sleepers …   Wikipedia

  • Rail fastening system — Elements of a baseplate based rail fastening system 1. Screw for fixing plate to sleeper 2. Elastomeric pad supporting rail 3. Tension washer 4. Rail clamp 5. Tensioning bolt (nut not shown) 6. Baseplate …   Wikipedia

  • Rail transport — Railroad and Railway both redirect here. For other uses, see Railroad (disambiguation). Rail transport is the conveyance of passengers and goods by means of wheeled vehicles specially designed to run along railways or railroads. Rail transport is …   Wikipedia

  • Track (rail transport) — Permanent way redirects here. For other uses, see Permanent way (disambiguation). Twin rail tracks in a wooded area …   Wikipedia

  • Glossary of rail terminology — Rail transport Operations Track Maintenance High speed Gauge Stations …   Wikipedia

  • Rail tracks — are used on railways (or railroads), which, together with railroad switches (or points), guide trains without the need for steering. Tracks consist of two parallel steel rails, which are laid upon sleepers (or cross ties) that are embedded in… …   Wikipedia

  • Derailment — For the use of the term in psychiatry, see derailment (thought disorder). Derailed Tatra T3 tram in Brno, Czech Republic …   Wikipedia

  • Rail profile — Rail from 1896 Cross sections of flat bottomed which can rest directly …   Wikipedia

  • United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …   Universalium

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