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Shoulders on railway tracks concrete sleepers

  1. Jun 15, 2015 #1
    Hi,
    I want to ask the shoulders that are used on railway tracks concrete sleepers, should they be forged or ductile cast and why?
    If someone can post an article it'll be great.

    Thank You for your help and support.
     
  2. jcsd
  3. Jun 17, 2015 #2

    Simon Bridge

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