Wednesday, November 4, 2009

RE: Deflection

David, Matthew:

Seismic drift limitations are often in the realm of H/200 (using 0.020*hx and a Cd=4)…why so much more stringent for wind?

 

Doug Mayer, SE

 

From: Stuart, Matthew [mailto:mStuart@cmxengineering.com]
Sent: Wednesday, November 04, 2009 12:18 PM
To: seaint@seaint.org
Subject: RE: Deflection

 

H/400

 

D. Matthew Stuart, P.E., S.E., F.ASCE, SECB

Senior Project Manager

Structural Department

Associate

Engineers and Consultants - CMX

200 Route 9

Manalapan, NJ 07726

732-577-9000 (Ext. 308)

908-309-8657 (Cell)

732-298-9441 (Fax)

mstuart@CMXEngineering.com

 


From: Doug Mayer [mailto:doug.mayer@taylorteter.com]
Sent: Wednesday, November 04, 2009 3:15 PM
To: seaint@seaint.org
Subject: Deflection

 

When wind governs in your lateral system design, what is the building drift limitation?  There doesn’t seem to be any specified building drift limitation for wind loads (that I can find) in the code.  What do you wind country folks do?

 

Thanks,

 

Doug Mayer, SE