Cost difference between f'c = 4 vs 5 ksi
Cost difference between f'c = 4 vs 5 ksi
(OP)
We have some 12'x12'x3' footings that we originally spec'd out as 4 ksi. For the sake of appendix-D (tension on ABs) I think we need to go to 5 ksi. Is there a huge cost difference between the two? Obviously its going to be more concrete for the later.






RE: Cost difference between f'c = 4 vs 5 ksi
RE: Cost difference between f'c = 4 vs 5 ksi
RE: Cost difference between f'c = 4 vs 5 ksi
Richard A. Cornelius, P.E.
WWW.amlinereast.com
RE: Cost difference between f'c = 4 vs 5 ksi
My favorite f'c = 4300 psi mix from my local ready mix plants typically reaches 5500+ psi at 28 days (which is fine for my application).
RE: Cost difference between f'c = 4 vs 5 ksi
RE: Cost difference between f'c = 4 vs 5 ksi
RE: Cost difference between f'c = 4 vs 5 ksi
LonnieP
RE: Cost difference between f'c = 4 vs 5 ksi