Design a round spiral column to support an axial dead load of 1000KN and an axial live load of 1500KN. assume Ast = 0.04Ag, fc = 28Mpa and fy = 420Mpa. use 25 mm main reinforcement bar. Determine the minimum spacing of 10mm spiral (fyt = 280Mpa) with 30mm steel covering Select the correct response:

Design a round spiral column to support an axial dead load of 1000KN and an axial live load of 1500KN. assume Ast = 0.04Ag, fc = 28Mpa and fy = 420Mpa. use 25 mm main reinforcement bar. Determine the minimum spacing of 10mm spiral (fyt = 280Mpa) with 30mm steel covering Select the correct response:

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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Question

Design a round spiral column to support an
axial dead load of 1000KN and an axial live load
of 1500KN. assume Ast = 0.04Ag, fc = 28Mpa
and fy = 420Mpa. use 25 mm main
reinforcement bar. Determine the minimum
spacing of 10mm spiral (fyt = 280Mpa) with
30mm steel covering
Select the correct response:
D = 430mm, n = 8-25mm main bar, S =
43mm
D = 370mm, n = 12 - 25mm main bar, S =
75mm
D = 370mm, n = 8 - 25mm main bar, S =
75mm
D = 430mm, n = 12 - 25mm main bar, S =
43mm
D = 370mm, n = 10-25mm main bar, S =
43mm
D=400mm, n = 10-25mm main bar, S =
53mm
D = 400mm, n = 8-25mm main bar, S =
75mm
D = 370mm, n = 8-25mm main bar, S =
53mm

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