II. A circular column is made of concrete [E. 4.2(103)ksi] while being reinforced with six steel rods [Est = 29 (10³)ksi]. It is acted upon %3D by an axial force of 30 kip as shown in the figure to the right. Each rod has a diameter of 0.85 in.

II. A circular column is made of concrete [E. 4.2(103)ksi] while being reinforced with six steel rods [Est = 29 (10³)ksi]. It is acted upon %3D by an axial force of 30 kip as shown in the figure to the right. Each rod has a diameter of 0.85 in.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Buckling of columns

The column is described as a vertical member of the structure that carries an axial compressive load, and buckling is a lateral deformation of the column under the application of load.

Question

II. A circular column is made of concrete [E.
4.2(10³)ksi] while being reinforced with six
steel rods [Est = 29 (10³)ksi]. It is acted upon
4 in. -
30 kip
by an axial force of 30 kip as shown in the
figure to the right. Each rod has a diameter of
0.85 in.
3 ft
Solve for the following:
a) Force in each steel rod, Pst
b) Force in the concrete, P.
c) Stress in each steel rod, Ost =
kip
kip
%3D
ksi
d) Stress in the concrete, oc =
ksi

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This question was answered for me but the second answer is not clear how he/she got 0.55 and 0.45 for the rods.