Yes - and it is a big problem. The rebar rust, and the scale expands,
eventually causing the concrete to crack....
There are several write-ups that show nice pictures in "Corrosion
Engineering", published by the National Association of Corrosion Engineers
(NACE).
-----Original Message-----
From: towertalk-bounces@contesting.com
[mailto:towertalk-bounces@contesting.com]On Behalf Of Pat Barthelow
Sent: Thursday, April 28, 2005 6:38 PM
To: jimlux@earthlink.net
Cc: towertalk@contesting.com
Subject: [TowerTalk] Concrete; Abosrbs water? Porous?
Jim Said:
>Almost all standards call for the rebar to be completely inside the
>concrete for just this reason. You don't want a small crack exposed to
>allow water to infiltrate with capillary action.
>
>Jim, W6RMK
I may learn somethng here.....It is my gut level impression that buried
concrete in wet or damp ground absorbs moisture. Isn't concrete porous,
easily absorbing water thorugh it's contact surface with wet ground?
73, Pat aa6eg@hotmail.com
_______________________________________________
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless
Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any
questions and ask for Sherman, W2FLA.
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_______________________________________________
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
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