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Wind only frame with Composite floor

Wind only frame with Composite floor

Wind only frame with Composite floor

(OP)
Hi All,

If I consider proper joint rotational stiffness at the column-beam joint, obviously ignoring the concrete section, is it structurally viable to design a wind only 3 story frame with composite floor?

Thanks.

RE: Wind only frame with Composite floor

Do you mean that you want to brace your building using only moment frames? If so, then sure, it's certainly viable.

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.

RE: Wind only frame with Composite floor

(OP)
Hi Kootk,

Yes, i meant moment frames. But wind only moment frames with flexible connection to allow pin-joint assumption at beam ends for gravity load and provide resistance for wind loads.

Do you see any problem using this ductile connection with composite beams? I have used this simplification on steel frame building before, but i have never use it with composite beams.


Thanks

RE: Wind only frame with Composite floor

You're right to assume that the composite slab will affect the behavior. It absolutely can be done however. There's an entire AISC design guide dedicated to the subject that you should consider procuring: 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.

RE: Wind only frame with Composite floor

(OP)
Thanks Kootk,

I will check the design guide.

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