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The composite bar shown in the figure is firmly attached to unyielding supports. An Axial force P = 52 kips is applied at 65°F. Compute the stress (ksi) in the Aluminum at 116 °F. Assume a = 6.5 x 10-6/° F for steel and 12.8 x 106/°F for aluminum Given: L1 = 15in; L2 = 11in Your final answer should contain two decimal places Steel A = 3 in² E = 29 x 106 psi Correct Answer: 3.92 L2 Aluminum A = 2 in² E = 10 x 106 psi L1

The composite bar shown in the figure is firmly attached to unyielding supports. An Axial force P = 52 kips is applied at 65°F. Compute the stress (ksi) in the Aluminum at 116 °F. Assume a = 6.5 x 10-6/° F for steel and 12.8 x 106/°F for aluminum Given: L1 = 15in; L2 = 11in Your final answer should contain two decimal places Steel A = 3 in² E = 29 x 106 psi Correct Answer: 3.92 L2 Aluminum A = 2 in² E = 10 x 106 psi L1

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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The composite bar shown in the figure is firmly attached to unyielding supports. An Axial force P = 52 kips is applied at 65°F. Compute the stress (ksi) in the Aluminum at 116 °F. Assume a = 6.5 x 10-6/° F for steel and 12.8 x 106/°F for aluminum Given: L1 = 15in; L2 = 11in Your final answer should contain two decimal places Steel A = 3 in² E = 29 x 106 psi Correct Answer: 3.92 L2 Aluminum A = 2 in² E = 10 x 106 psi L1
Transcribed Image Text:The composite bar shown in the figure is firmly attached to unyielding supports. An Axial force P = 52 kips is applied at 65°F. Compute the stress (ksi) in the Aluminum at 116 °F. Assume a = 6.5 x 10-6/° F for steel and 12.8 x 106/°F for aluminum Given: L1 = 15in; L2 = 11in Your final answer should contain two decimal places Steel A = 3 in² E = 29 x 106 psi Correct Answer: 3.92 L2 Aluminum A = 2 in² E = 10 x 106 psi L1
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