The strongback is made of an A992 steel hollow circular section with the outer diameter of d, = 66 mm. (Figure 1) Figure 1 of 1 If it is designed to withstand the lifting force of P= 60 kN, determine the minimum required wall thickness of the strong back so that it will not buckle. Use F.S. = 2 against buckling. Express your answer to three significant figures and include the appropriate units. Submit μA Value Units My Answers Give Up ? Submit Incorrect; Try Again; 9 attempts remaining Provide Feedback Continue

The strongback is made of an A992 steel hollow circular section with the outer diameter of d, = 66 mm. (Figure 1) Figure 1 of 1 If it is designed to withstand the lifting force of P= 60 kN, determine the minimum required wall thickness of the strong back so that it will not buckle. Use F.S. = 2 against buckling. Express your answer to three significant figures and include the appropriate units. Submit μA Value Units My Answers Give Up ? Submit Incorrect; Try Again; 9 attempts remaining Provide Feedback Continue

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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Pressure and Stress

Question

The strongback is made of an A992 steel hollow circular
section with the outer diameter of do = 66 mm
(Figure 1)
Figure 1
D
of 1
45°
La
4 m
45°
-do-
Section a-a
If it is designed to withstand the lifting force of P= 60 kN, determine the minimum required wall
thickness of the strong back so that it will not buckle. Use F.S. = 2 against buckling.
Express your answer to three significant figures and include the appropriate units.
tmin =
Submit
I μA
Submit
Value
Units
My Answers Give Up
?
Incorrect; Try Again; 9 attempts remaining
Provide Feedback
Continue

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