Overbygning/Planoverganger

< Overbygning
Revisjon per 15. des. 2015 kl. 11:59 av Ft (diskusjon | bidrag) (→‎Track construction)


UNDER UTARBEIDELSE

1 Scope

2 Functional requirements

2.1 Track construction

Level crossing systems shall be designed to accommodate the following track constructions:

  • 60E1 rails on JBV 60 concrete sleepers in ballasted track with 60 cm (c-c) sleeper distance

2.2 Permissible speed

2.3 Resistance against longitudinal displacements

2.4 Maintanability

  • must be able to split elements
  • max weight
  • lifting
  • Fastening

2.5 Availability for track inspection

2.6 Drainage

2.7 Track insulation

2.8 Min curve radius of crossing lane

2.9 Min track cant

Must be able to accomodate up to 180 mm cant

2.10 Fire resistance

3 Design loads

3.1 Level crossings for freigth terminals

min 125 ton axle load

3.2 Level crossings for heavy and normal traffic

Min 10 ton axle load

3.3 Level crossings for light traffic

3.4 Pedestrian level crossings

4 Construction

4.1 Geometrical requirements

  • Min heigth of surface above rail top (20 mm?)
  • Flange width

5 Level crossing geometry and surfaces

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