replying to Robert Neville, FlyAsh Forever wrote: You are correct, they take core samples from Glen Canyon Dam every five years to compute compressive strength, it was poured in the early 60's and is still getting harder every test cycle!
replying to Phisherman, Bloopy125 wrote: Idiot. Concrete and it?s chemical structure is absolute SCIENCE. A day?!?!? Try 7-10 days for normal passenger vehicles. You give bad advice and the only ?art? to your post is your fabrication of fact.
from 2009 I think the concrete is cured by now!!!!!!!!!!!!!!
I'd give it another week, just to be safe.
I hope they added Ca and covered it.
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