10.The compound bar, composed of the three segments shown, is initially stress-free. Compute the stress in eachmaterial if the temperature drops 25°C. Assume that the walls do not yield and use the following data:A (mm²)a (FC)E (GPa)Bronze segment200019.0 x 10-83Aluminum segment140023.0 x 1070Steel segment11.7x 10SUMMARY OF ANSWERSs00200OBranzeMPa- 800 mm --500 mm-+400 mm→MPaOalumOsteelMPaBronzeAluminumSteel

Suppose P force is developed in bars due KN to temp chanseFBD of bars Total deformation will be…

10. The compound bar, composed of the three segments shown, is initially stress-free. Compute the stress in each material if the temperature drops 25°C. Assume that the walls do not yield and use the following data: A (mun³) a(C) E (GPa) Bronze segment 2000 19.0 x 10 83 23.0 x 10- 11.7x 10 Aluminum segment 1400 70 Steel segment SUMMARY OF ANSWERS 800 200 OBronze MPa - 800 mm - -500 mm→-400 mm- Oalum MPa Osteel MPa Aluminum Steel Bronze

10. The compound bar, composed of the three segments shown, is initially stress-free. Compute the stress in each material if the temperature drops 25°C. Assume that the walls do not yield and use the following data: A (mun³) a(C) E (GPa) Bronze segment 2000 19.0 x 10 83 23.0 x 10- 11.7x 10 Aluminum segment 1400 70 Steel segment SUMMARY OF ANSWERS 800 200 OBronze MPa - 800 mm - -500 mm→-400 mm- Oalum MPa Osteel MPa Aluminum Steel Bronze

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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This figure shows typical stress-strain behaviour for a brass. The inset figure shows the behaviour at low strains. 500 70 Tosle strength 450 MPa 166,000 ps 60 400 300 MP 40 30 200 Yeld steg 250 MPa (,0a 200 20아 100- 20 100 10 0.20 030 040 If the cylindrical test sample is initially 14cm long with an initial radius of 2mm, estimate the true stress in MPa at the ultimate tensile stress. (Enter your answer to the nearest whole number) an es
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2. A steel bar, whose cross section is 0.55 inch by 4.05 inches, was tested in tension. An axial load of P = 30,500 lb. produced a deformation of 0.105 inch over a gauge length of 2.05 inches and a decrease of 0.0075 inch in the 0.55-inch thickness of the bar. Determine the lateral strain. * Your answer Determine the axial strain. Your answer Determine the Poisson's ratio v. * Your answer Determine the decrease in the 4.05-in. cross-sectional dimension (in inches). * Your answer
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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
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Problem 6
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two decimal places