Sleeper Slab [TB]
For the modeled approach slabs, sleeper slabs can be modeled as a separate object using this object of the workflow.
General
Approach Slab: This parameter can be used to specify the approach slab for which the sleeper slab will be modeled.
Longitudinal Offset: This parameter can be used to define the offset in the longitudinal direction for the sleeper slab. A value of 0 will place the sleeper slab with its center at the downstation-start section of the approach slab. A positive value will offset the sleeper slab in the upstation direction.
Material: This parameter can be used to assign a material to the sleeper slab. Materials can be selected from previously defined options under Properties-Materials or imported as needed.
Length: This parameter can be used to specify the length of the sleeper slab in the longitudinal direction. For a visual representation, refer to the figure provided below.
Width: This parameter can be used to specify the width of the sleeper slab in the transverse direction. For a visual representation, refer to the figure provided below.
Thickness: This parameter can be used to specify the thickness of the sleeper slab in the vertical direction. For a visual representation, refer to the figure provided below.
Secondary Slab Width Extension: Additional transverse width added to the sleeper slab beyond the primary slab width, used when the sleeper slab extends past the approach slab edge.
Left Secondary Slab Start Skew Angle: Skew angle at the start (downstation) end of the left secondary slab portion. Use with Secondary Slab Width Extension to shape an offset left region.
Left Secondary Slab End Skew Angle: Skew angle at the end (upstation) end of the left secondary slab portion.
Right Secondary Slab Start Skew Angle: Skew angle at the start (downstation) end of the right secondary slab portion.
Right Secondary Slab End Skew Angle: Skew angle at the end (upstation) end of the right secondary slab portion.
Sleeper Slab Head Wall: Pick the Sleeper Slab Head Wall workflow item that sits at the downstation end of this sleeper slab. Leave unset when no head wall is used.
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 (default)
BASESLAB
FLOOR
LANDING
PAVING
ROOF
SIDEWALK
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.
Quantities
Volume: Based on the definitions provided by the user, the volume of the object is calculated and presented in this column. (Read-only)
Weight: The total weight of the sleeper slab based on volume and material density. (Read-only)
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