Rail lengths: Difference between revisions
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#REDIRECT [[Railway track#Rail lengths]] {{R from merge}} {{R to section}} |
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{{Orphan|date=October 2011}} |
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{{incomplete|date=October 2011}} |
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'''Rail lengths''' are made as long as possible, as joints between rails are a source of weekness. Over the decades, lengths increased as manufacturing processes improved. |
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The following are lengths from the steel mill, without any [[thermite welding]]. |
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== Examples == |
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* (1830) {{flagicon|United Kingdom}} 15 feet (4.57 m) [[Liverpool and Manchester Railway]] |
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** fish-belly rails at 35 lb/yd (17.4 kg/m), laid mostly on stone blocks. |
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* (1880) {{flagicon|United States}} 39 feet [[United States]] to suit 40 foot long gondola waggons |
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* (1950) {{flagicon|United Kingdom}} 60 feet [[British Rail]] |
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* (2011) {{flagicon|Austria}} 120m [[Voestalpine]] <ref>http://www.voestalpine.com/schienen/en/products/railway_infrastructure/rails/ultralong_rails.html</ref> |
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* (2011) {{flagicon|India}} [[Jindal]] 121m <ref>http://www.jindalsteelpower.com/products/rails.aspx</ref> |
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== Multiples == |
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Newer longer rails tend to be made as simple multiples of older shorter rails, so that old rails can be replaced without cutting. Some cutting would be needed as slightly longer rails are needed on the outside of sharp curves compared to the rails on the inside. |
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== See also == |
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* [[Track (rail transport)]] |
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== References == |
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{{reflist}} |
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{{Uncategorized stub|date=October 2011}} |
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{{rail-transport-stub}} |
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Latest revision as of 18:26, 28 October 2021
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