In a message dated 10/27/2010 6:42:06 A.M. Pacific Daylight Time,
towertalk-request@contesting.com writes:
> I seem to recall from about 8 years ago that concrete is up to 75% of
its
strength in 72 hours or something like that. UST calls out 2500 PSI
concrete
after 28 days , so that i don't have to wait a month i was going to use
4000 PSI
concrete and put the tower on it after a week or so , thoughts ?
Yes, it'll work just fine as per your statements. I do this all the
time.
Cheers,
Steve K7LXC
TOWER TECH -
Professional tower services for hams
and
author of UP THE TOWER - The Complete Guide To Tower Construction
available from _www.championradio.com_ (http://www.championradio.com)
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