Sidewalk [SIG]

This object serves the purpose of 3D visualization and generating loading surfaces.Sidewalk object currently does not have a Finite Element Model (FEM) and is not used in Finite Element Analysis (FEA).

General

Bridge: Specify the bridge on which the sidewalk will be placed, as OpenBrIM allows for the modeling of multiple bridges.

Sidewalk Dimensions: At least two rows of definitions must be made within this parameter, representing the start and end stations of the sidewalk.

  • Station: Specify the station along the PGL (Projected Ground Level).

  • Transverse Offset: Specify the transverse offset that is perpendicular to the PGL.

The positive direction of the Y-axis will be to the left when looking upstream along the PGL. However, based on the requests of engineers who have been using OpenBrIM for their bridge projects, positive transverse offset values will indicate the right-hand side when looking upstream along the PGL. This distinction should be taken into account when defining the location of bridge elements using transverse offset values (where positive transverse offset indicates the right side), as well as when making definitions related to FEM and loading (where positive Fy indicates the left side along the PGL).

  • Right Width: Provide the right width when looking up the station along the PGL.

  • Left Width: Provide the left width when looking up the station along the PGL.

  • Skew: Specify the skew angle for that station.

Left Thickness: Specify the thickness of the left side.

Right Thickness: Specify the thickness of the right side.

IFC

Type: The IFC entity type for BIM export. Default is IfcSlab.

Predefined Type: The IFC Predefined Type is specified using this parameter. Available options include:

  • APPROACH_SLAB

  • BASESLAB

  • FLOOR

  • LANDING

  • PAVING

  • ROOF

  • SIDEWALK (default)

  • TRACKSLAB

  • WEARING

  • USERDEFINED

  • NOTDEFINED

Parent [Bridge/Superstructure/Deck/Substructure/Foundation/Approach_Structure/Retaining_Structure]: The IFC Parent is specified using this parameter to define the hierarchy relationship in the IFC model.

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