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Moment Capacity of a Circular RC Section

Moment Capacity of a Circular RC Section

Moment Capacity of a Circular RC Section

(OP)
I need to find the nominal moment capacity of a circular RC Section.  I suspect that I may need to do some crazy iterations on strain compatibility until the strain I choose converges to the strain I solve for.

Any ideas?  Anything in the ACI Code?  Thanks.

RE: Moment Capacity of a Circular RC Section

I did that about 20 years ago. Just a few iterations, assuming a rectangular compression stress area. Close enuff for govt work.

RE: Moment Capacity of a Circular RC Section

Or go to the CRSI Handbook or the old PCA Column Design Tables and get the value for your section size, reinforcement and zero axial force.

RE: Moment Capacity of a Circular RC Section

I haven't really verified this, but try Enercalc.com...they have a demo version of their engineering library you can download for free. When you print-out anything, there is something to that effect "watermarked" all over the sheet. At least you get a quick answer.

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