Heavy rail / Urban light rail

Rolling Stock and Rail Structures

Checking that the roll flexibility coefficient of a rail vehicle provides a good interface with the infrastructure.

Tests objectives

Determine the roll flexibility coefficient of railway vehicles by means of measurements on the line (rotation of the vehicle body around its longitudinal axis)

Tests facilities

  • Accelerometers
  • Displacement sensors

Normes d'essais

EN 14363 – Testing for the acceptance of running characteristics of railway vehicles – Testing of running behaviour and stationary tests

UIC 505-1 – Railway transport stock – Rolling stock construction gauge

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