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.
Good luck,
Gil, W1RG
----- Original Message -----
From: "Rick Karlquist" <richard@karlquist.com>
To: "Allan W Schlaugat" <reflectors@n9isn.com>
Cc: "Michael Baker" <k7ddmjb@qwest.net>; <towertalk@contesting.com>
Sent: Thursday, October 12, 2006 8:08 PM
Subject: Re: [TowerTalk] Rebar Centering, Rebar Rusting, Foundation Failure,
ETC.
> 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
> concrete?
>
> 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@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
_______________________________________________
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
|