] [Thread] [Date] [Author]

[jim jensen <doublejtp(--nospam--at)yahoo.com>]

Good Evening Nels, thanks for the heads up, though, my
UBC is an 1987 book, I'll still have a look see.
Veerry interesting info/questions on this board, for
me, well I actually enjoy it. You all be safe out
there Jim J
--- "Nels Roselund, SE" <njineer(--nospam--at)att.net> wrote:
> Jim,
> 
> The 1997 UBC gives values, but the relationship
> between your conditions and
> the Code values is ambiguous.  The Code values are
> based on masonry prism
> strengths, not grout strength, and, for tension
> values, are dependent on
> edge distance.  Prism strengths are typically less
> than grout strength.
> 
> Some representative Working Stress values from
> Section 2107.5 for fm = 1500
> psi, 4" edge distance tension capacity, Bt: =  970
> lb; 3" edge distance
> tension capacity, Bt - 550 lb; 2" edge distance
> tension capacity, Bt = 240
> lb; shear capacity, Bv = 1330 lb.
> 
> Nels Roselund
> Structural Engineer
> South San Gabriel, CA
> njineer(--nospam--at)att.net
> 
> 
> 
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