Concrete footers, more rebar less thickness?

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Old 04-18-18, 02:57 PM
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Concrete footers, more rebar less thickness?

I was told I need 24" wide but 12" deep footers with #4 @ 6 o.c. Now I am wondering if putting in 3 bars of rebar or maybe 2 by 2 above each other would make the footer equally strong with less concrete. Lest say only 8" deep. I have looked online but can not find a calculator I understand to calculate the strength of the footers. I guess what I am really asking is more rebar a substitute for thickness.
 
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Old 04-18-18, 03:22 PM
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Who spec'd the footers? Any changes would need to be run by the inspector for his approval.

btw - welcome to the forums!
 
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Old 04-18-18, 08:05 PM
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No inspectors where I live. Architect specified current size.
 
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Old 04-18-18, 08:24 PM
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The answer is no. Any changes need to be run past the architect.
 
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Old 04-22-18, 06:51 AM
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adding more steel to a footer will increase the flexural strength but NOT compressive strength,,, adding more steel is no substitute for any reduction in size from original dwgs
 
 

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