A Spiral column is to be loaded with DL=400Kn and LL=500Kn with minimal reinforcement. The Design spiral confinement spacing is 70mm when the spiral ratio is 0.025. If the Concrete f'c = 28Mpa and Steel fy = 420Mpa, Concrete cover is 40mm and diameter of stirrups is 10mm. the Column is to be reinforced with 25mm bars. Determine the Diameter of the spiral column.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A Spiral column is to be loaded with
DL=400Kn and LL=500Kn with minimal
reinforcement. The Design spiral
confinement spacing is 70mm when the
spiral ratio is 0.025. If the Concrete f'c =
28Mpa and Steel fy = 420Mpa, Concrete
cover is 40mm and diameter of stirrups is
10mm. the Column is to be reinforced
with 25mm bars. Determine the
Diameter of the spiral column.
use exact value. Answer in mm in 3
decimal places.
Transcribed Image Text:A Spiral column is to be loaded with DL=400Kn and LL=500Kn with minimal reinforcement. The Design spiral confinement spacing is 70mm when the spiral ratio is 0.025. If the Concrete f'c = 28Mpa and Steel fy = 420Mpa, Concrete cover is 40mm and diameter of stirrups is 10mm. the Column is to be reinforced with 25mm bars. Determine the Diameter of the spiral column. use exact value. Answer in mm in 3 decimal places.
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