[TowerTalk] Rohn 25G clone born few minutes ago...

[DALE LONG]

For most purposes 7-10 days should be enough to begin building a tower.  No need to wait one month unless you are building a monster tower.
Dale - N3BNA
 

      From: Ed Sawyer <sawyered at earthlink.net>
 To: towertalk at contesting.com 
 Sent: Monday, January 11, 2016 11:12 PM
 Subject: Re: [TowerTalk] Rohn 25G clone born few minutes ago...
   
Congrats Douglas!

 

The Concrete manuals say that concrete will reach 75% of its 28 day rated
strength in 7 days.  Almost 90% in 14 days.  For tower building, 14 days is
already overkill.  7 days is plenty.  Obviously, the other question is what
was the specified mix strength.  If you have 5000PSI concrete, then its
already stronger than typical building foundation concrete after only 7 days
of cure.

 

Ed  N1UR

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