B2 a) b) c) The steel tube shown in Fig QB2a which has the cross section shown in Fig QB2b is to be used as a pin-ended column, i.e. take a = 1 in the critical load equation. The properties of the steel are: E = 200GPa, dy = 250MPa. Determine the critical load; Calculate the compressive stress in the column; Determine the largest axial load that the tube can support before it either begins to buckle or the steel yields. L=3m Per Fig QB2b r=65mm R=75mm

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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B2
a)
b)
c)
The steel tube shown in Fig QB2a which has the cross section shown in Fig
QB2b is to be used as a pin-ended column, i.e. take a = 1 in the critical load
equation. The properties of the steel are: E = 200GPa, y = 250MPa.
Determine the critical load;
Calculate the compressive stress in the column;
Determine the largest axial load that the tube can support before it either
begins to buckle or the steel yields.
L=3m
Pcr
Pcr
Fig QB2a
Fig QB2b
r=65mm
R=75mm
Transcribed Image Text:B2 a) b) c) The steel tube shown in Fig QB2a which has the cross section shown in Fig QB2b is to be used as a pin-ended column, i.e. take a = 1 in the critical load equation. The properties of the steel are: E = 200GPa, y = 250MPa. Determine the critical load; Calculate the compressive stress in the column; Determine the largest axial load that the tube can support before it either begins to buckle or the steel yields. L=3m Pcr Pcr Fig QB2a Fig QB2b r=65mm R=75mm
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