Re: [TowerTalk] 5000 psi vs 3500 psi concrete?

["Steve Jones" <n6sj@earthlink.net>]

Rich-

If you need a final strength of 3500 psi, a 5000 psi mix will reach that 
strength sooner than will a 3500 psi mix.  Like maybe one week instead of 
2-3 weeks.  If saving cure time is important it might be worth the extra 
cost, but you'll need to keep it watered and cool longer so it doesn't 
crack.
73,
Steve
N6SJ

----- Original Message ----- 
From: "Rich Hallman - N7TR" <rich@n7tr.com>
To: <towertalk@contesting.com>
Sent: Monday, September 24, 2012 8:34 PM
Subject: [TowerTalk] 5000 psi vs 3500 psi concrete?


> Im about to pour 16 yards of concrete for an HDX-689.  Are there any real 
> benefits to using 5000 psi vs 3500 psi concrete?
> Thanks...
>
> Rich N7TR
> ex KI3V, N3AMK, WB3JOV
> www.n7tr.com<http://www.n7tr.com>
> Telnet: dxc.n7tr.com N7TR DXCluster
>
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