The two-segment statically indeterminate bar in the following figure has a constant cross- sectional area A = 0.8 in². It is made entirely of material that has elastic, perfectly plastic behaviour with oy = 36 ksi and E = 30x103 ksi. If P=50kip is applied to the bar and then removed 20 in. (1) 40 in. (2) B σ -σ E Ey (a) A two-segment bar. (b) A stress-strain diagram for an elastic, perfectly-plastic material. a) Determine the residual stress in each segment. b) Find the permanent deformation at point B. c) Determine the smallest load P needed to cause segment CB to yield.

The two-segment statically indeterminate bar in the following figure has a constant cross- sectional area A = 0.8 in². It is made entirely of material that has elastic, perfectly plastic behaviour with oy = 36 ksi and E = 30x103 ksi. If P=50kip is applied to the bar and then removed 20 in. (1) 40 in. (2) B σ -σ E Ey (a) A two-segment bar. (b) A stress-strain diagram for an elastic, perfectly-plastic material. a) Determine the residual stress in each segment. b) Find the permanent deformation at point B. c) Determine the smallest load P needed to cause segment CB to yield.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter2: Axially Loaded Members

Section: Chapter Questions

Problem 2.3.21P: A slightly tapered bar AB of solid circular crass section and length L is supported at end B and...

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