[TowerTalk] exploding foundations and semantic quibbles regarding Ufer & "Single Point" grounds

W7CE w7ce at curtiss.net
Fri Sep 14 08:58:14 EDT 2007


>
> It was written, regarding UFER grounds:
>
> "Sinking the ground rod several inches below the bottom of the foundation
> hole and only running copper wire out the bottom of the concrete is no
> problem. If house foundations use copper wire for Ufer grounds, then it
> sounds safe to assume that copper embedded in concrete does not eventually
> corrode away."
>
> WRONG!  You want to divert strike current around the tower foundation,
> not through it.  The conductor will be evaporated, exploding the
> foundation.
>

So are you saying that you don't believe in Ufer grounds?  If I understand 
them correctly, the whole point is to develop a low impedance path to ground 
through the concrete. 



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