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METHOD FOR DETERMINING THE STRESS FREE TEMPERATURE OF THE RAIL AND/OR THE TRACK RESISTANCE

  • US 20120245908A1
  • Filed: 12/03/2010
  • Published: 09/27/2012
  • Est. Priority Date: 12/07/2009
  • Status: Abandoned Application
First Claim
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1. Method for determining at least a first parameter of a track, comprising:

  • providing first track geometry quality data associated to at least one point along a rail at a first temperature,providing second track geometry quality data associated to said at least one point at a second temperature,describing a difference between the first and second track geometry quality data by means of a model relating the measured first and second track geometry quality data with associated measured temperatures to the unknown parameters of the model;

    stress free temperature and/or track resistance, andestimating the stress free temperature and/or track resistance in said at least one point based on the measurements and the model.

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