Heavy rail / Urban light rail

3D dynamic modelling of maintenance procedures for ballasted track

3D dynamic modelling of maintenance procedures for ballasted track

Objectives

  • To simulate a track maintenance sequence: tamping, dynamic stabilisation, compacting, etc.
  • To evaluate the effects on the track and track condition after a maintenance sequence

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Test
facilities

EXTRAS

  • Customisable contact descriptions
  • Possibility of working with all forms of ballasted track equipment (sleepers, profile, etc.)
  • Possibility of identifying typical values, otherwise inaccessible, with regard to irregular ballast (compactness, force distribution and movements in the ballast material, force sequences)

 

INPUT DATA

  • Sleeper and track geometry
  • Maintenance vehicle geometry (tampers, compacters, etc.)
  • Description of maintenance sequence kinematics

 

TOOLS

  • LMGC 90 (FORTRAN90 + PYTHON)
  • PARAVIEW

 

REFERENCES

  • Optimisation of tamping cycles
  • Heavy mechanical tamping
  • Comparison between compacting and dynamic stabilisation

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3D dynamic modelling of ballasted track
3D dynamic modelling of maintenance procedures for ballasted track
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Heavy rail - Urban light rail