Question

produce a drawing to show a cross section of track including rails, sleepers and substructure.
• on the drawing identity the requirements for ballast depth and show how the axel loading is distributed throughout the infrastructure.
• interpret the engineering standards applied by the infrastructure controller, and produce a table showing examples of  
different design requirements applicable for line speeds and gross axle tonnage.
• explain the gauging requirements of the track including the interface with OLE and /or DC conductor in terms of rail geometry.
• explain the common failure modes associated with track geometry defects.

Answer 1

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