7.8 IfcRailDomain

7.8.1 Schema Definition

The IfcRailDomain schema defines specific object concepts used in the rail domain that have not been covered in lower level schemas or schemas in the same level.

NOTE  Most elements used in the rail domain are shared with other domians and are consequentially declared in lower level schemas or schemas in the same level, such as IfcProductExtension, IfcSharedInfrastructureElements, IfcSharedBldgElements, IfcSharedBldgServiceElements, or IfcElectricalDomain.

Specific rail elements that are not already covered by other schemas are defined here:

• different types of rails for ensuring guidance of moving for vehicles or other kinds of machineries.
• specific elements used in the track sub-domain, e.g. sleeper, frog, derailer, etc.
• spatial structrue types for breaking down railway projects.

HISTORY  New schema in IFC4.3

 EXPRESS-G diagram

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