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Re: embed bolts in CMU

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Scott,
Thanks for the information - I don't have the 2002 edition yet. It
sounds like they have made a good change.  It always seemed a little odd
using the dimension from the surface of the bolt instead of the
centerline.

Rick Burch 
Columbia, SC


Scott Maxwell wrote:
> 
> Rick,
> 
> Very true...for the 1999 edition.  To confuse things a little further,
> they have changed it to "...from the edge of masonry to the center of the
> cross section of anchor bolt..." in the 2002 edition.  ;-)
> 
> Regards,
> 
> Scott
> Ypsilanti, MI
> 
> On Sun, 15 Sep 2002, Rick Burch wrote:
> 
> >
> >
> > Scott,
> > Note that lbe which is used to calculate Ap in Eq. 2-4 is actually
> > defined on page C-6 as "anchor bolt edge distance measured from the
> > surface of an anchor bolt to the nearest free edge of masonry".
> >
> > In other words, it seems that the radius (lbe) used to calculate Ap is
> > from the surface of the bolt, not the centerline of the bolt. This
> > actually makes a significant difference. For a 3/4" diameter bolt, lbe =
> > (7.625-.75)/2 = 3.44".  Ap = 37.1 sq. in. instead of 45.7 sq. in.
> >
> > Rick Burch
> > Columbia, SC
> >
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