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Re: [TowerTalk] Concrete strength

To: towertalk reflector <>
Subject: Re: [TowerTalk] Concrete strength
From: Alan NV8A <>
Date: Thu, 28 Oct 2010 11:33:29 -0400
List-post: <">>
On 10/27/10 11:39 pm, Ed K0KL wrote:

> Concrete used for beams and columns and other standalone structures
> in a building or bridge need time to develop in order to perform the
> intended
> assignment. I am assuming in all discussed cases the concrete has iron in
> it (rebars)
> For the most part the 21 yards of concrete under my tower provides
> dead weight, aided by the soil around it to keep the tower straight.
> (Think overturn moment) or anchoring a guy wire.

21 yards!!! My goodness! What kind of tower do you have that needs 21 
yards of concrete? My UST HDX-555 needed only 5.5 yards, but the hole 
got dug too large and took 9 yards; I'm glad it was a fixed-price quote.


Alan NV8A

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