Parametric variations can be used to vary certain dimensions of the bridge deck section along the length of the bridge.
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Examples
Several examples for the application of parametric variations are listed below:
- The bridge modeler allows parametric variation of non-uniform girder spacing for certain decks, including advanced box girder, precast I girder, precast U girder, and steel girder. Girder spacing is adjusted to fit within the dimension of total width minus overhang distance, regardless of parametric variations specified.
- The bridge modeler allows parametric variation of deck-section reference point in the local X and Y directions. This provides improved control over superstructure eccentricity relative to layout lines at regions of widening.
Applying parametric variations to bridges with skewed supports
The PDF file shown below shows how the program applies parametric variations to superstructures supported by skewed bents or abutments:
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See also
- Applying parametric variation to bridge width for bridge object with skewed abutments (flat slab bridge deck section) ... tutorial with model file
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Related Incidents:
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Cross-References to Release Notes
Release notes for V14.0.0:
- Incidents 13391 and 14017: The Bridge Modeler now allows parametric variations to be specified for the girder spacing in those deck sections that allow for non-uniform girder spacing: Advanced Box Girder, Precast I Girder, Precast U girder, and Steel Girder. The girder spacing will be proportionately adjusted to fit within the specified total width minus the specified overhang distances, whether or not any parametric variations are specified for width, overhang, and/or girder spacing.
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