At the KCPL power plant where the concrete stacks are 750 feet tall - they
said
the magic number for max strength was 28 days. A lot of difference between
a
750 stack and a short foundation though. Not trying to add fuel - just
commenting
Dave / NØATH
I would say one week is not enough, remember the compression/tension from a
tower in wind is a lot more stressful than foundations. I think you are
guessing, the people who poured my concrete said they always recommend 3 to
4 weeks for towers or longer for complete curing.
Mike
Most builders will cap a foundation within a week of a pour.
Lots of them will start framing at the same time. My sense is a week
is good enough.
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