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Re: [TowerTalk] TowerTalk Digest, Vol 100, Issue 37

To: "'Tom Cox'" <>,
Subject: Re: [TowerTalk] TowerTalk Digest, Vol 100, Issue 37
From: Doug Renwick <>
Date: Sun, 17 Apr 2011 16:57:05 -0600
List-post: <">>
This article will explain the Ufer ground and the causes of concrete
cracking (i.e. poor implementation)


>-----Original Message-----
>This is an enduring myth, isn't it? What seems to
>get neglected from the discussions is that
>concrete is already a conductor, with or without
>the rebar. One of the points of the Ufer ground
>system is that the whole outer surface of the
>concrete, wherever it touches the ground, is a
>ground electrode, and the surface in contact with
>the ground is measured in square feet, not square
>As you said, Dave, where's the evidence for
>lightning-induced explosions, or spalling, or any
>of that, in a properly-constructed base? That's
>why it was used to protect hundreds of tons of
>munitions in lightning-prone Arizona Quonset huts
>in WWII. Thanks. Mr. Ufer.
>Tom, KT9OM


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