[TowerTalk] Base Grout?

[kr7x at comcast.net]

Jamie:

With the T type base from US Towers, the grout seals the under side of the t sections and the portion of the anchor bolt above the concrete and the underside of the t from corrosion. It does help in the transfer of the compressive load to the base. In a building column type foundation where the base is a large rectangle or square it is more important in transferring the compressive load of the column to the concrete foundation below.

I would recommend grouting the US Tower base just for the corrosion protection is offers and the reduction in maintenance in the future.

Hank Lonberg, P.E.,S.E. / KR7X
Lonberg Design Group, Ltd.
> How important is this ? I have left mine alone after erecting my 72' UST 18
> months or so ago.
> 
> 73, Jamie
> WB4YDL
> 
> 
> ----- Original Message -----
> From: <kr7x at comcast.net>
> To: "Jerry Keller" <k3bz at arrl.net>
> Cc: "(Reflector) TowerTalk" <towertalk at contesting.com>
> Sent: Friday, October 24, 2003 11:39 AM
> Subject: Re: [TowerTalk] Base Grout?
> 
> 
> > Jerry:
> >
> > Look in your yellow pages under concrete suppliers to find a source.
> >
> > I normally specify "Masterflow 928" by MasterBuilders or equal. Sika
> chemical is another manufacturer. What you want is a non-metallic,
> non-shrink pre package grout. Follow the manufactures directions and you
> should be ok. Non-metallic doesn't stain as it weathers.
> >
> > Regards
> >
> > Hank Lonberg, P.E.,S.E. / KR7X
> > Lonberg Design Group, Ltd.
> > > My tower sits on a Tee-shaped steel base plate that's on the threaded
> J-bolt
> > > ends about 3 inces above the concrete. I've been told I should put
> "grout" under
> > > the plate, between the Tee-plate and the concrete, enclosing the 3
> exposed
> > > J-bolts.  If this is advisable, what kind of "grout" is used for this,
> and where
> > > do I get it?
> > > Advice appreciated...always.  Jerry K3BZ
> > > _______________________________________________
> > >
> > > See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless
> Weather
> > > Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any
> questions
> > > and ask for Sherman, W2FLA.
> > >
> > > _______________________________________________
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> > > TowerTalk at contesting.com
> > > http://lists.contesting.com/mailman/listinfo/towertalk
> > _______________________________________________
> >
> > See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless
> Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any
> questions and ask for Sherman, W2FLA.
> >
> > _______________________________________________
> > TowerTalk mailing list
> > TowerTalk at contesting.com
> > http://lists.contesting.com/mailman/listinfo/towertalk
> >
> 
> 
>