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RE: UBC Section 2213.8.2.3 - Lateral Force Distribution

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Title: UBC Section 2213.8.2.3 - Lateral Force Distribution
 
You are absolutely correct. Although it is not explicity stated, the intent is to not rely heavily on the post buckling strength of compression braces, which is what would happen if you utilize a disproportionate number of them in one line of resistance, at each level.
 
Ben Yousefi, SE
San Jose, CA
 
 
 -----Original Message-----
From: Klarkowski, Kevin [mailto:Kevin.Klarkowski(--nospam--at)Jacobs.com]
Sent: Tuesday, August 06, 2002 7:43 AM
To: 'seaint(--nospam--at)seaint.org'
Subject: UBC Section 2213.8.2.3 - Lateral Force Distribution

When evaluating the distribution of lateral forces per UBC Section 2213.8.2.3 for a multi-story concentrically braced frame, it would seem that, to meet the intent of the Code provision, the "line" of bracing should be evaluated at each level, or story, separately, rather than evaluating the line of bracing over the entire height of the brace tower.  Is this interpretation correct?


Kevin K.

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