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Effective Length Factor K for Columns

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ronronpcengtips

ronronpcengtips

Structural
Joined
Aug 27, 2007
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I have a 3 span moment frame which is braced out of plane at the top. I use K=2.0 based on alignment charts.

Question: Can I consider the out of plane bracing at the top so I can use an effective length factor of K=1.0?

Thanks a lot.

 
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Deal with each plane sepately in determining K values.

 
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