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BASE PLATE in OCBF

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BAGW

BAGW

Structural
Jul 15, 2015
392
Hi,

I have a 3 story OCBF building in seismic design category D. I was looking into ASIC-341, the code says the brace connections need to be designed for over-strength combination. Does that mean the anchors and base plate also needs to be designed for over-strength combination? Is there a way out of this? Does AISC address this.

Thanks
 
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I just finished the AISC Night School 13 on Design of Industrial Builidngs, and on Lesson 6 the presenter (Jules van De Pas) went through calculations that INCLUDED the overstrength factor for both the base plate and anchor rod design. It was a OCB frame in SDC D.

I will find the relevant pages and post it ASAP.
 
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Two slides from the presentation with regards to column base plates/anchor rods:

Capture1_xwzpkc.png


Capture2_l8pnqa.png
 
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There's a related discussion taking place here: Link

I like to debate structural engineering theory -- a lot. If I challenge you on something, know that I'm doing so because I respect your opinion enough to either change it or adopt it.
 
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