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Seismic Building Seperation

Seismic Building Seperation

Seismic Building Seperation

(OP)
thread507-355872: Building Expansion Joint Sizing
Hi,

please advise if the term delta_s in UBC 97 is calculated based only on the seismic load cases or load combinations.

I have read in one of the books that ultimate load combinations should be used (please see attached extract)...

I do not find it logical, since dead and live load deformations, if any, would be multiplied by 0.7R...


Any thoughts?

Best,
Fady

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