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Problem 17.28 The strongback is made of an A992 steel hollow circular section with the outer diameter of d, = 61 mm. (Figure 1) Part A If it is designed to withstand the lifting force of P = 75 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. Ban 2

Problem 17.28 The strongback is made of an A992 steel hollow circular section with the outer diameter of d, = 61 mm. (Figure 1) Part A If it is designed to withstand the lifting force of P = 75 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. Ban 2

Structural Analysis
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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Problem 17.28 The strongback is made of an A992 steel hollow circular section with the outer diameter of d = 61 mm. (Figure 1) Figure 1 B D 45 of 1 10 La 4m 45° E do- d Section a-a Part A If it is designed to withstand the lifting force of P = 75 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 HÅ Value Units My Answers Give Up ? Incorrect; Try Again; 2 attempts remaining Provide Feedback Continue
Transcribed Image Text:Problem 17.28 The strongback is made of an A992 steel hollow circular section with the outer diameter of d = 61 mm. (Figure 1) Figure 1 B D 45 of 1 10 La 4m 45° E do- d Section a-a Part A If it is designed to withstand the lifting force of P = 75 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 HÅ Value Units My Answers Give Up ? Incorrect; Try Again; 2 attempts remaining Provide Feedback Continue
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