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offset expansion joints

offset expansion joints

offset expansion joints

(OP)
A senior engineer asked me if ETABS can model a structure with offset expansion joints.  The EJ at the first level occurs in a different bay then the EJ's in the levels above.  Has anyone had any experience with modeling this condition in ETABS?  Thanks.  

RE: offset expansion joints

skicat

possible, but depends on the stability of the part which is on the other level. Not sure of the structural system what you have.

Cheers

RE: offset expansion joints

Define a new membrane type slab to use for your expansion joint. Membrane type has in-plane stiffness only so as not to transfer moment. You can adjust the area property modifiers in order to transfer shear only in 1 direction

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