[TowerTalk] Concrete Strength

[K7LXC at aol.com]

In a message dated 10/27/2010 6:42:06 A.M. Pacific Daylight Time,  
towertalk-request at 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)