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Need explanation of nail and bolt connections from NDS
5

Need explanation of nail and bolt connections from NDS

Need explanation of nail and bolt connections from NDS

(OP)
Does anyone have a suggestion for a good text book reference (or other reference material) to help explain the ins and outs of mechanical connections from NDS 2001?
I'm particularly interested in nailed and bolted connections but I guess screwed connections would be good too. I know it is all in the NDS but I have a hard time decifering which mode will apply and I hate to calculate each different equation to figure out which one is the controling one.
Any good references for this would be appreciated.
Thanks

RE: Need explanation of nail and bolt connections from NDS

2
Here are a few general documents that may help:

"Don't Let Your Wood Connections Get Stressed Out" from the May 2005 issue of Structural Engineer Magazine
http://www.gostructural.com/userfiles/file/2005-05-material-matters.pdf

"Wood, Mechanical Fasteners" from the USDA Forest Products Lab
http://www.fpl.fs.fed.us/documnts/pdf2001/ramme01c.pdf

also Chapter 7 of "Wood Handbook"
http://www.fpl.fs.fed.us/documnts/fplgtr/fplgtr113/fplgtr113.htm

"General Dowel Equations For Calculating Lateral Connection Values" from the American Wood Council
http://www.awc.org/pdf/tr12.pdf

www.SlideRuleEra.net idea

RE: Need explanation of nail and bolt connections from NDS

3
Here is a great tool put out by AF&PA's American Wood Council.  It is a connections calculator which addresses nails, screws, bolts, and lags laterally loaded and in withdrawl:

http://www.awc.org/calculators/connections/ccstyle.asp

woodengineer

RE: Need explanation of nail and bolt connections from NDS

Also read the NDS Commentary.

RE: Need explanation of nail and bolt connections from NDS

(OP)
Is there a commentary for the 2001 NDS?
Sorry but we have not adopted 2005 NDS yet.
Thanks

RE: Need explanation of nail and bolt connections from NDS

"Design of Wood Structures" by Breyer, Fridley, Pollock and Cobeen does an excellent job of covering connections.  

RE: Need explanation of nail and bolt connections from NDS

For most cases you don't have to calculate the controlling mode, the tables have done that for you....then you apply your adjustment factors to the table value.  

RE: Need explanation of nail and bolt connections from NDS

There is a Commentary for the 1997 & 2005 NDS.  The information in the Commentary for the 2005 NDS for the most part would apply to the 2001 NDS.

I think you can down load the 2005 Commentary from AFPA's web site.

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