Monday, February 4, 2008

Re: Use 8d nails or 10d nails for Structural Panel Shear Walls

We have been using the same nailing as Gerard Madden
Don't like 10d's in stud grade lumber. We spec No. 2 or better but they don't always read the plans.
 
In a message dated 2/3/2008 7:36:33 PM Pacific Standard Time, chuckuc@pacbell.net writes:
Gerard Madden, SE wrote:
> FWIW,
>
> I've been using 8d nails for shearwalls...10d for diaphragms.
>
> -gm
>
> On Feb 2, 2008 11:53 PM, Szuchuan Chang <szuchuan@gmail.com
> <mailto:szuchuan@gmail.com>> wrote:
>
>     I am re-tooling to 2007 CBC wood design.  Many items need to be
>     updated.
>
>     Many years ago, I was told to stay with 8d and 16d nails (common) as
>     much as possible.  In Doug Thompson's design example 1A, page 19,  in
>     the SDM Vol 2, he uses 10d nails on 4" o.c. with 510 plf allowable
>     shear.  It looks to me that he has been using 10d nails since the 1997
>     UBC examples.  I must be very out of date!
>
>     If Simpson Strong-tie's SSN10 nails (shorter than the real 10d) are
>     used in these applications, the 10d nails make sense.  It would be
>     easier to drive into the studs.
>
>     My question is: "Are most of the plywood shear walls are specified
>     with 10d nails these days in your office standards?"
>
>     Thanks
>
>     Sam Chang
>
>     PS:  Seems like a lot information on staples.  Are they more commonly
>     used over the nails in the state of California now?
>
 
Joe Venuti
Johnson & Nielsen Associates
Palm Springs, CA



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