Question: Given # 5 vertical bars, fy = 6 0 ksi fc = 4 . 1 ksi phi = . 6 5 and dead load is

Given #5 vertical bars, fy =60 ksi fc=4.1 ksi phi =.65 and dead load is 920 kips and live load is 387 kips. Diameter of spiral column is 36 inches. Find quantity of #5 bars needed to comply with aci 31819. Yes phi is 0.65.

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