Forskjell mellom versjoner av «Overbygning/Planoverganger»
| [ukontrollert revisjon] | [ukontrollert revisjon] |
(→Track construction) |
|||
| Linje 6: | Linje 6: | ||
= Functional requirements = | = Functional requirements = | ||
| + | |||
| + | == Design loads == | ||
| + | === Level crossings for freigth terminals === | ||
| + | min 125 ton axle load | ||
| + | |||
| + | === Level crossings for heavy and normal traffic === | ||
| + | Min 10 ton axle load | ||
| + | |||
| + | === Level crossings for light traffic === | ||
| + | |||
| + | === Pedestrian level crossings === | ||
== Track construction == | == Track construction == | ||
| Linje 40: | Linje 51: | ||
== Fire resistance == | == Fire resistance == | ||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
= Construction = | = Construction = | ||
Revisjonen fra 15. des. 2015 kl. 12:42
UNDER UTARBEIDELSE
Innhold
[skjul]- 1 Scope
- 2 Functional requirements
- 3 Construction
- 4 Level crossing geometry and surfaces
1 Scope
2 Functional requirements
2.1 Design loads
2.1.1 Level crossings for freigth terminals
min 125 ton axle load
2.1.2 Level crossings for heavy and normal traffic
Min 10 ton axle load
2.1.3 Level crossings for light traffic
2.1.4 Pedestrian level crossings
2.2 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
- 54E3 rails on JBV 54 concrete sleepers in ballasted track with 60 cm (c-c) sleeper distance
- 49E1 rails on JBV 54 concrete sleepers in ballasted track with 60 cm (c-c) sleeper distance
- 54E2 rails on JBV 54 concrete sleepers in ballasted track with 60 cm (c-c) sleeper distance
- 54E3 rails on Type_X wooden sleepers in ballasted track with 52 cm (c-c) sleeper distance
- 49E1 rails on Type_X wooden sleepers in ballasted track with 60 - 65 cm (c-c) sleeper distance
2.3 Permissible speed
2.4 Resistance against longitudinal displacements
2.5 Maintanability
- must be able to split elements
- max weight
- lifting
- Fastening
2.6 Availability for track inspection
2.7 Drainage
2.8 Track insulation
2.9 Min curve radius of crossing lane
2.10 Min track cant
Must be able to accomodate up to 180 mm cant
2.11 Fire resistance
3 Construction
3.1 Geometrical requirements
- Min heigth of surface above rail top (20 mm?)
- Flange width
