[TowerTalk] Concrete; Abosrbs water? Porous?

[K4SB]

> >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 at hotmail.com
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I've forgotten where I read it, some survey published by a Washington
State group of some sort, but they said concrete takes 78 years to
reach it's full strength, and it is absorbing water all of that time.
Remember, full strength is 100%. I think it's in the 90s pretty
quickly.

??
73
Ed