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Bridge bearing tips
- Users may specify different girder-bearing properties at each bent or and abutment. In the Overwrite options are located under BrIM > Bridge Object definition, under > Abutments or Bents, there are overwrite options that allow you to control the bearing at each girder.As of version 12.0.2 of the program, BrIM always places and Bents.
- The bridge modeler locates bearing links directly below each web and it is not possible to change this within the parametric BrIM definitionthe girder web. To model a different bearing layout, you would need to make these changes manually, outside of BrIM. You would need to delete the links at the bearing location created by BrIM and then recreate these links manually. (In some special cases, you can create a bearing property with zero stiffness in each DOF, and use that for the girders that have no bearings. This way, no modifications are needed outside the Bridge Modeler.)
See Also
- bridge bearings FAQ
- Manually modify bridge bearings (tutorial)
- Bridge abutment - details on bearings automatically created, then, outside the bridge modeler, manually create links as desired. When girder design should not have bearings, create a bearing with zero stiffness along each DOF, then assign that element to simulate the absence of a bearing.
See Also
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