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Modeling Stepped Columns

Modeling Stepped Columns

Modeling Stepped Columns

I am starting to model a steel frame in RISA 3D, for a building the will contain cranes.  The owner would like to use stepped columns in lieu of independent crane columns.  For the modeling of a stepped column, I was going to put a very stiff horizontal member in the column at the step location to simulate the eccentric loads that will occur due to this configuration.
Any thoughts if this is a valid method? Any other suggestions?

Thanks for the replies

RE: Modeling Stepped Columns

That makes sense.... You might check out the topic on Modeling Tips - Rigid Links from the RISA help file.  This discusses some aspects of creating these types of links and where they can be used.  

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