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Re: Holdown Bolt Through the Supported Beam

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Just how big is the uplift on the holdown post?

--- Joseph Harouni <jharouni(--nospam--at)sbcglobal.net> wrote:

> > Without knowing your loads, could you use a lag
> screw in-lieu of  
> > the bolt?
> > Or maybe using some coil straps and wrap the beam
> and nail into the  
> > studs?
> Wrapping the strap around the beam would split the
> post when nailed  
> on both side (this is how the eccentricity is taken
> away though).
> >
> > Jason
> > -----Original Message-----
> > From: Garner, Robert
> [mailto:rgarner(--nospam--at)moffattnichol.com]
> > Sent: Thursday, July 21, 2005 3:51 PM
> > To: seaint(--nospam--at)seaint.org
> > Subject: RE: Holdown Bolt Through the Supported
> Beam
> >
> >
> > I think you meant 1/16" clearance?  With a 6x in
> lieu of a 4x, you  
> > have
> > two inches of "extra".  My feeling is that a 1/4"
> oversize hole will
> > work well in this case.  Leaves 1/8" all around,
> and considering  
> > the 11"
> > or so of length I think you need a little more
> clearance.  As the wood
> > shrinks across the grain, you don't want it to
> bear against the  
> > bolt and
> > force the wood to split.  A plate washer against
> the wood is a good
> > idea, too.
> >
> > Love to hear from any contractor types out there
> for their input.
> >
> > Bob Garner, S.E.
> >
> > -----Original Message-----
> > From: Joseph Harouni
> [mailto:jharouni(--nospam--at)sbcglobal.net]
> >
> > Sent: Thursday, July 21, 2005 2:37 PM
> > To: seaint(--nospam--at)seaint.org
> > Subject: Re: Holdown Bolt Through the Supported
> Beam
> >
> > Would a 1/6" tolerance be good approach to the
> problem?
> > Joseph
> > On Jul 21, 2005, at 2:25 PM, Garner, Robert wrote:
> >
> >
> >>
> >> Can't think of any code restraints but my
> experiece with field
> >>
> >
> >
> >> practice
> >> is that many contractors make a mess of the beam
> when field
> >>
> >
> >
> >> drilling it.
> >> Plus they will want to make the hole way
> oversize.
> >>
> >> Perhaps overkill, but I make such items subject
> to structural
> >> observation by the Engineer of Record.
> >>
> >> Bob Garner, S.E.
> >>
> >> -----Original Message-----
> >> From: Joseph Harouni
> [mailto:jharouni(--nospam--at)sbcglobal.net]
> >> Sent: Thursday, July 21, 2005 2:16 PM
> >> To: Struc Engineers Association
> >> Subject: Holdown Bolt Through the Supported Beam
> >>
> >> Hi,
> >> When one has a wood shear wall and the 1 inch
> bolt of the holdown
> >> goes through the center of a wood beam in the
> story below. How does
> >> one makes account of the missing 1 inch in the
> wood beam width. Just
> >> using a 4x12 in the calculations in place of
> actual  6x12 will do the
> >> job or there are other considerations involved?
> >> Thanks,
> >> Joseph Haroui
> >>
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