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1. Design a round spiral column to support an axial dead load of 1200 kN and live load of 1500 kN. Use gross steel ratio of approximately 3%. Assume fc' = 28 MPa and fy = 415 MPa. Use 25 mm bars for main reinforcement and 10 mm bars for spiral reinforcement. Use NSCP 2015. a. Compute for the required area of steel. b. Determine the number of longitudinal bars.

1. Design a round spiral column to support an axial dead load of 1200 kN and live load of 1500 kN. Use gross steel ratio of approximately 3%. Assume fc' = 28 MPa and fy = 415 MPa. Use 25 mm bars for main reinforcement and 10 mm bars for spiral reinforcement. Use NSCP 2015. a. Compute for the required area of steel. b. Determine the number of longitudinal bars.

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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1. Design a round spiral column to support an axial dead load of 1200 kN and live load of 1500 kN. Use gross steel ratio of approximately 3%. Assume fc' = 28 MPa and fy = 415 MPa. Use 25 mm bars for main reinforcement and 10 mm bars for spiral reinforcement. Use NSCP 2015. a. Compute for the required area of steel. b. Determine the number of longitudinal bars.
Transcribed Image Text:1. Design a round spiral column to support an axial dead load of 1200 kN and live load of 1500 kN. Use gross steel ratio of approximately 3%. Assume fc' = 28 MPa and fy = 415 MPa. Use 25 mm bars for main reinforcement and 10 mm bars for spiral reinforcement. Use NSCP 2015. a. Compute for the required area of steel. b. Determine the number of longitudinal bars.
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