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FW: Question on Spirals in Columns

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In looking at the ACI Code provisions for spiral in RC columns it is noted that the fy is limited to max of 60 ksi, which imposes very impractical conditions for the final size of the spirals which is some cases could be as large as # 7. Any comments to the ACI provisions on spirals ?

 

______________________________

Pedro R. Muñoz, Ph.D., P.E.

Senior Structural Engineer

DMJM+HARRIS

e-mail: pedro.munoz(--nospam--at)dmjmharris.com