The two-segment statically indeterminate bar in Fig. has a constant cross-sectional area A -0.8 in². It is made entirely of material that has an elastic, per- fectly-plastic stress-strain behavior illustrated , with oy - 36 ksi and E-30 x 10 ksi. (a) Determine the load Py at which first yielding occurs, and determine the corresponding displacement uy of section B where the load P is applied. (b) Determine the load P at which yielding occurs in the remaining segment of the bar, and determine the corresponding displacement u, of section B. (c) Sketch a load-displacement diagram, that is, sketch a diagram of P versus & up to P 20 in (a) A two-segment bar. (b) A stress-strain diagram for an elastic, perfectly-plastic material.

The two-segment statically indeterminate bar in Fig. has a constant cross-sectional area A -0.8 in². It is made entirely of material that has an elastic, per- fectly-plastic stress-strain behavior illustrated , with oy - 36 ksi and E-30 x 10 ksi. (a) Determine the load Py at which first yielding occurs, and determine the corresponding displacement uy of section B where the load P is applied. (b) Determine the load P at which yielding occurs in the remaining segment of the bar, and determine the corresponding displacement u, of section B. (c) Sketch a load-displacement diagram, that is, sketch a diagram of P versus & up to P 20 in (a) A two-segment bar. (b) A stress-strain diagram for an elastic, perfectly-plastic material.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter7: Analysis Of Stress And Strain

Section: Chapter Questions

Problem 7.6.15P

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