Bar AB has a cross-sectional area of 1200 mm² and is made of a steel that is assumed to be elastoplastic with E = 200 GPa and oy σy = 250 MPa. Knowing that the force F increases from 0 to 520 kN and then decreases to zero, determine (a) the permanent deflec- tion of point C, (b) the residual stress in the bar.
Bar AB has a cross-sectional area of 1200 mm² and is made of a steel that is assumed to be elastoplastic with E = 200 GPa and oy σy = 250 MPa. Knowing that the force F increases from 0 to 520 kN and then decreases to zero, determine (a) the permanent deflec- tion of point C, (b) the residual stress in the bar.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Bar AB has a cross-sectional area of 1200 mm² and is made of a
steel that is assumed to be elastoplastic with E = 200 GPa and σ y
= 250 MPa. Knowing that the force F increases from 0 to 520 kN
and then decreases to zero, determine (a) the permanent deflec-
tion of point C, (b) the residual stress in the bar.
A
C
a = 120 mm
Fig. P2.122
-F
440 mm
B
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