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Re: embed bolts in CMU

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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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