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July 14, 2015

How to Import a Seismic Moment Connection into RISAConnection

Design for seismic connection detailing is now available in RISAConnection and you can use the Connection Rules within RISAFloor and RISA-3D to export a RISAConnection model.  The integration will import the connection forces (and seismic detailing results) into RISAConnection for seismic moment frame connection design.

From RISA-3D:

  1. First, you must apply both a “Column/Beam Seismic MomentConnection Rule and a Seismic Design Rule to the member within RISA-3D.

    Seismic Conn Interaction 1
    Seismic Conn Interaction 2

  2. Then, solve in RISA-3D for your seismic detailing If you do not have seismic detailing results in RISA-3D, then the information cannot be exported to RISAConnection. For more information about seismic detailing results, see the RISA-3D Help file topic “Seismic Detailing“.
  3. Use the Director tool to export the model into RISAConnection.
  4. When exported into RISAConnection, the program will determine the Connection Type, Seismic System, and seismic input values based on the applied RISA-3D Seismic Design Rule and the RISA-3D solution results. Once in RISAConnection, these cannot be changed.

    Seismic Conn Interaction 4

From RISAFloor:

  1. You can apply the “Seismic MomentConnection Rule (see step 1 above) within RISAFloor or in RISA-3D.
    1. You may only apply the “Seismic MomentConnection Rule to Lateral members.
  2. Solve the model in RISAFloor and Use the Director tool to take the model into RISA-3D.
  3. Apply the Seismic Design Rule (see step 1 above).
  4. Solve your lateral load combinations in RISA-3D in order to get your seismic detailing If you have not done this, the connection will not export to RISAConnection.
  5. Use the Director tool to export the model into RISAConnection.
  6. When exported into RISAConnection, the program will determine the Connection Type, Seismic System, and seismic input values based on the applied RISA-3D Seismic Design Rule and the RISA-3D solution results. Once in RISAConnection, these cannot be changed.


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This entry was posted by RISA News on Tuesday, July 14th, 2015 at 1:21 pm and is filed under Technical Solutions. You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.

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