[TowerTalk] Rebar Centering, Rebar Rusting, Foundation Failure, ETC.
Richard M. Gillingham
rmoodyg at bellsouth.net
Thu Oct 12 20:13:44 EDT 2006
Also, they don't contact the rebar cage.
They are (or should be) encased in grout. At least that's what USTs
installation instructions and the PE's drawings show.
----- Original Message -----
From: "Rick Karlquist" <richard at karlquist.com>
To: "Allan W Schlaugat" <reflectors at n9isn.com>
Cc: "Michael Baker" <k7ddmjb at qwest.net>; <towertalk at contesting.com>
Sent: Thursday, October 12, 2006 8:08 PM
Subject: Re: [TowerTalk] Rebar Centering, Rebar Rusting, Foundation Failure,
> One thing that has always baffled me is:
> If it is so important that rebar does not come within
> 3 inches of the concrete to earth interface, then why
> is it OK for the anchor bolts to stick up out of the
> Possible answers:
> 1. They penetrate a concrete to air interface.
> In that case you can simply let a few of the rebar
> cage vertical bars stick up out of the concrete
> so you can grab on to them to keep the cage centered.
> 2. They are galvanized. However, UST ships non
> galvanized anchor bolts, so I guess it isn't 2.
> 3. Rebar rusts easier than bolts. Probably not.
> Anyone have the correct answer?
> Rick N6RK
> TowerTalk mailing list
> TowerTalk at contesting.com
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