ballast section это:

ballast section
балластная призма; поперечный профиль балластной призмы

Англо-русский строительный словарь. 2013.

Смотреть что такое "ballast section" в других словарях:

  • Ballast water discharge and the environment — Cruise ships, large tankers, and bulk cargo carriers use a tremendous amount of ballast water, which is often taken on in the coastal waters in one region after ships discharge wastewater or unload cargo, and discharged at the next port of call,… …   Wikipedia

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  • undercutter — /un deuhr kut euhr/, n. Railroads. a track maintenance machine that cleans the ballast section to any predetermined depth. [1890 95; UNDERCUT + ER1] * * * …   Universalium

  • Permanent way — The permanent way means the physical elements of the railway line itself: generally the pairs of rails typically laid on sleepers embedded in ballast, intended to carry the ordinary trains of a railway. This page describes British practice and… …   Wikipedia

  • Regulation of ship pollution in the United States — International laws and regulationsMARPOL 73/78 is one of the most important treaties regulating pollution from ships. Six Annexes of the Convention cover the various sources of pollution from ships and provide an overarching framework for… …   Wikipedia

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  • 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

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  • TGV track construction — LGV construction is the process by which the land on which TGV trains are to run is prepared for their use, involving carving the trackbed and laying the track. It is similar to the building of standard railway lines, but there are differences.… …   Wikipedia


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