450mm diameter concrete spiral column is to be designed to support a factored axial load of 3170kn. clear bar cover is 40mm and tge aggregate soze is 25mm. use nscp 2010 with fc'= 28mpa, fy= 414mpa for longitudinal steel, fyt= 414mpa for spiral steel. limit the gross percentage to 2%. which of the following most nearly gives the clear spacing of the main longitudinal reinforcemen

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Chapter9: Composite Construction
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Problem 9.2.1P: A W1422 acts compositely with a 4-inch-thick floor slab whose effective width b is 90 inches. The...
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a 450mm diameter concrete spiral column is to be designed to support a factored axial load of 3170kn. clear bar cover is 40mm and tge aggregate soze is 25mm. use nscp 2010 with fc'= 28mpa, fy= 414mpa for longitudinal steel, fyt= 414mpa for spiral steel. limit the gross percentage to 2%.

which of the following most nearly gives the clear spacing of the main longitudinal reinforcements in mm.

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