OpenBridge Modeler

To place the beam group

To specify a standard concrete section for all the beams in the beam layout, do the following.

You must have placed the beam group for your bridge.
  1. On the Home ribbon tab, select the Place Beam tool in the Superstructure group.


  2. Select Girder as the Feature Definition.
  3. In the view window, do the following:
    1. select the beam layout
      Tip: It may be helpful to switch to isometric view or otherwise rotate the view if the deck or other objects make selecting a beam layout difficult.
    2. data point to accept the selection
    The Beam Definition dialog opens.
    Note: The option to Apply To All Beams should be checked.
  4. Select the standard section and material to use:
    1. Select LEAP Concrete in the Beam Sections drop-down list.
    2. In the first (only) table row, click in the Template cell to display the list of LEAP Concrete sections in the library.
    3. Select I_Grider > BT-72 from this list.
    4. Click in the Material cell and select AASHTO-V CL.A from the drop-down list.
    5. Type 3 (in) as the Beam Haunch start and end values.
  5. Ensure that the Apply To All Beams option is checked to copy the beam parameters to all the remaining beams. Alternatively, you can copy the beam selection other beams as follows if the Apply To All Beams option is unchecked:
    1. Right-click on Beam-L in SupportLine1 - SupportLine2 and select Copy To from the pop-up menu. The Beam Copy dialog opens.
    2. Click Select All.
      Tip: This tutorial assumes the same beam parameters for all beams and all spans, but you can easily customize which spans or beams to group together using this feature.
    3. Click Copy By Ratio.
    The same beam parameters are used for all beams in all spans.
  6. Click OK.
The beam objects are created and added to the model.