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Re: 1997 NDS vs 2001 NDS: Stl side plate double shear

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Title: Re: 1997 NDS vs 2001 NDS: Stl side plate double shear

The short answer is you have to consider ALL modes for connection design in the 2001/2005 NDS(r). The longer answer is available in the following paper:



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.


On Mon, 29 Aug 2005 utej(--nospam--at) wrote:
> 1997 NDS section (wood-to-metal connections) states to calc
> Mode Im, IIIs, and IV, but not Mode Is (bearing dominated failure of
> steel side members). 2001 NDS section 11.3.1 states to calc Mode Im,
> Is, IIIs, and IV; however, Fes for the steel plate is larger (Fes =
> 2.2*Fu/1.6) than in the 1997 NDS (Fes = Fu). Is there anywhere in the
> 2001 NDS that states that one does not have to consider Mode Is for a
> steel side plate double shear connection as there is in the 1997 NDS?