Design a round spiral column to support an axial dead load of 950KN and an axial live load of 1210KN Use Fy = 414Mpa and f’c = 21Mpa. Assume 2% steel ratio and use 28mm main bars and 20mm spirals. Use 30mm steel cover. Give the diameter of the spiral column and the area of main reinforcement.

Design a round spiral column to support an axial dead load of 950KN and an axial live load of 1210KN Use Fy = 414Mpa and f’c = 21Mpa. Assume 2% steel ratio and use 28mm main bars and 20mm spirals. Use 30mm steel cover. Give the diameter of the spiral column and the area of main reinforcement.

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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Step 2: Calculation of gross area of spiral column:

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Step 3: 1. Diameter of the spiral column:

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Step 4: 2. Area of steel reinforcement:

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Step 5: Number of bars:

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Step 6: Secondary reinforcement:

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