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Circular Concrete Beam

Circular Concrete Beam

Circular Concrete Beam

(OP)
Hello there,

Does anyone know a good resource for the design of a round  concrete beam?  I actaully have a laterally loaded concrete pile and am going to model it as a concrete beam with a point load. The prelim reinforcement is one row of 20M rebar running along the perimeter of the beam in a circle.

Would I have to find the centroid of the tension reinforcement and use that as my moment arm? Does anyone know of any examples of this for my review?

Thanks!

RE: Circular Concrete Beam

I don't have any examples, but I would just use a column software to generate a P-M curve.  You could do it by hand, but that takes longer.  Get the P-M curve and just pull off the Moment with no axial load.

RE: Circular Concrete Beam

(OP)
I currently don't have any column software.  I was thinking about creating an interaction diagram from hand as well, but do you know any column software that is available for free?

RE: Circular Concrete Beam

I don't know any that is available for free, but you can probably get a free trial download of something like Enercalc, which should have a column module.

RE: Circular Concrete Beam

(OP)
I found some software, but i think i will confrim the diagram with hand calcs. thanks for your help though!

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