In a message dated 98-04-07 13:21:29 EDT, w2xx@cloud9.net writes:
> I am scheduled to pour concrete for my (long awaited) tower
> project on Friday. I ordered 5000 PSI mix, but realize that
> short of performing a slump test on site, I have no way of knowing
> if the stuff being delivered will be up to spec.
>
> Any hints on doing this? Has anyone actually done this before,
> or should I assume that since I ordered 500 PSI, I should end
> up with at least 4000 PSI ? :-)
Since Rohn specs call for 3000 psi in 28 days, why the hangup on whether
you've got 4000 or 5000 concrete? You're only talking about a yard or less of
concrete anyway.
Besides if you can't depend on your concrete supplier, who can you count
on?
Cheers, Steve K7LXC
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