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Deformation Compatilbility

Deformation Compatilbility

Deformation Compatilbility

Hi there everyone,

Code says elements/odjects not part of lateral force resisting system needs to be deformation compatible.
i'd like to know if there is a logical way to model for Deformation Compatibility?

RE: Deformation Compatilbility

I believe what is meant by "deformation compatible" is that the member/element will perform or survive after the extreme event.  There can be various detailing requirements for members that are part of the lateral load resisitng system (LLRS) but these requirements don't necessarily apply to members that are not part of the LLRS.  My understanding is that members not part of the LLRS can't fail during an earthquake.  So I beleive two anlyses must be done.  One with, and one without, the elements that are not part of the LLRS.  These members must still be able to resist the factored force effects so they don't collapse during an EQ.

Hope this helps

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