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ANSI/AISC05: What happened to hybrid beams?

ANSI/AISC05: What happened to hybrid beams?

ANSI/AISC05: What happened to hybrid beams?

(OP)
Pals

The latest version of AISC has nothing to say about hybrid beams. Prior versions used factor Re not mentioned anywhere in this new version

Am I missing something?

respects
IJR

RE: ANSI/AISC05: What happened to hybrid beams?

Good question.  For what it's worth, I suppose one could handle hybrid beams using F4 or F5.  Myt, Mp, etc. can be adjusted to account for different web and flange yield stresses.  I guess they're not used much nowadays, so the Spec. Committee decided to leave out explicit guidance for them.

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