[TowerTalk] Rebar & Concrete
Fri, 6 Nov 1998 06:16:08 -0800
From: Robert L. Shohet <firstname.lastname@example.org>
To: email@example.com <firstname.lastname@example.org>
Date: Friday, November 06, 1998 4:53 AM
Subject: [TowerTalk] Rebar & Concrete
>I am getting ready to pour concrete for my Rohn 45 towers bases and guy
>anchors and wondered about the necessity of keeping the rebar away from
>the dirt? (Towers to be 100' and 130').
Yes, unless you want the rebars to rust away! You can use pieces of
>I can't find Dobie blocks or anything else that will allow me to elevate
You can use pieces of concrete blocks.
>I understand that the rebar will rust but I find it hard to believe that
>the structural integrity of the rebar and the concrete "load" will be
>compromised so severely if the rebar is dug into the dirt a few inches.
I've seen rebar rust in old foundation walls.
>Wouldn't this allow for stronger concrete support by maintaining its
>shape since the concrete will not be poured but rather dumped in by a
>backhoe? (necessary in my case since a concrete truck can't access the
>holes). Also, how much rebar is necessary in the holes? Is it really
>that important to form a "cage" with rebar and wire?
>(Incidentally, my soil is a crappy clay/rock mixture)
I had one of mine pumped into the hole. It worked great and was not
73, Jim Heath KB6SX
FAQ on WWW: http://www.contesting.com/towertalkfaq.html
Administrative requests: towertalk-REQUEST@contesting.com