4. The composite bar is initially stress-free. Calculate the stress in each material and indicate tension or compression if the temperature has increased to 25°C. Consider that the walls are unyielding and suitably braced to prevent buckling. Use 2 decimal places 400 mm 500 mm 800 mm Steel Aluminum Bronze A = 800 mm2 E = 200 GPa a = 11.7 x 10-6/°C_ a = 23.5 x 10-6/ºC A = 1400 mm? E = 70 GPa A = 2000 mm? E = 85 GPa a = 19 x 10-6 /°C

4. The composite bar is initially stress-free. Calculate the stress in each material and indicate tension or compression if the temperature has increased to 25°C. Consider that the walls are unyielding and suitably braced to prevent buckling. Use 2 decimal places 400 mm 500 mm 800 mm Steel Aluminum Bronze A = 800 mm2 E = 200 GPa a = 11.7 x 10-6/°C_ a = 23.5 x 10-6/ºC A = 1400 mm? E = 70 GPa A = 2000 mm? E = 85 GPa a = 19 x 10-6 /°C

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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