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dcredskins (Structural)
8 Aug 08 15:29
What is the maximum allowable story drift per AISC? Which section of AISC 13ed Manual talks about it? I would appreciate your response.
JAE (Structural)
8 Aug 08 15:48
Section L4.

Otherwise, for seismic, use the ASCE 7 limits.

 
nutte (Structural)
8 Aug 08 15:49
I don't believe AISC addresses issues such as this.  You should go to the building code.
dcredskins (Structural)
8 Aug 08 16:04
JAE, it is for wind.

nutte, do you know if IBC 2006 address this issue?
JAE (Structural)
8 Aug 08 18:23
OK..I'll bite.   I now suppose you are asking about drift for seismic (your post didn't mention either wind or seismic).

 
nutte (Structural)
11 Aug 08 23:53
I don't know exactly where to look in the IBC.  I've checked before, but I've never had much luck.
dougantholz (Structural)
15 Aug 08 8:01
Drift limits for wind depend on what cladding you are using, similar to seismic.  I often us h/400 for the 10 year wind as the design criteria for wind.
jike (Structural)
27 Aug 08 14:34
Drift limits will depend upon the materials of construction: brick, CMU, glazing, drywall, metal panel, PEMB, etc. It will also depend upon joint placement.

See AISC Steel Design Guide Series 3: Servicability Design Considerations for Low Rise Buildings.
JoshPlum (Structural)
19 Sep 08 11:26
The ASCE Journal of Structural Engineering had an article in either 1998 or 1988 (there's a smudge on the reference page I'm reading) that is titled, "Wind Drift Design of Steel Framed Buildings: State of the Art Report, Vol 114, No 9, September.  

I haven't read it, but it sounds like it might be a good refernce for you.
KBVT (Structural)
19 Sep 08 13:11
JoshPlum - Do you think you could scan that article and post it here? I looked at the Journal of Structural Engineering website and they only have available back issues to 1990 on the website.  I am designing a low-rise steel building right now and would be interested in reading it.
slickdeals (Structural)
21 Sep 08 11:19
My old professor Finley Charney was working on an update for wind drift design of steel buildings
http://www.celes.ictas.vt.edu/Drift/index.htm

It will be a good document when it comes out.
JoshPlum (Structural)
1 Oct 08 21:03
Sorry, I don't actually have a copy of that article ("Wind Drift Design of Steel Framed Buildings: State of the Art Report).

I was reviewing a draft of a new AISC design guide (on stabilty design of steel structures) that talked a little bit about drift in the appendix.  Basically the same stuff that others reported (drift limits will often be based on cladding, et cetera).  However, the appendix went on to reference that document.  

I interested in the subject and would like to obtain a copy of the article at some point.  But, I'm a California guy and don't really have an immediate need for wind drift control.   

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