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FW: Wood SW compression check

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I'm not aware of the "industrial standard" either. Note that for compression forces from multiple sources, the basic ASD load combinations of 2006 IBC may be favorable (give lower loads). There are cases where Wind is used in the calculations in combination with reduced live load (see Eq. 16-13).





John "Buddy" Showalter, P.E.
Director, Technical Media
AF&PA/American Wood Council
1111 19th Street, NW, Suite 800
Washington, DC 20036
P: 202-463-2769
F: 202-463-2791

The American Wood Council (AWC) is the wood products division of the American Forest & Paper Association (AF&PA). AWC develops internationally recognized standards for wood design and construction. Its efforts with building codes and standards, engineering and research, and technology transfer ensure proper application for engineered and traditional wood products.

The guidance provided herein is not a formal interpretation of any AF&PA standard.  Interpretations of AF&PA standards are only available through a formal process outlined in AF&PA's standards development procedures.



From: "Michael Liew" <michaelliew04(--nospam--at)>

To: seaint(--nospam--at)

Subject: Wood SW compression check.


I am designing a 3-story wood-framed building and checking the uplift and

compression at shear wall ends.  I am using CBC 2007/IBC 2006 Alternate

(ASD) Load Combinations with -2/3DL+ (1.3)W for uplift and DL+L+(1.3)W for

compression.  My colleague told me that I don't have to use live load

to check compression and this is an industrial standard.  He is more

experience than I am and I respect his opinion, but I really wonder if this

is an industrial standard which I have never heard of.  Any comments or