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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![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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Feec53fdc-699a-4e03-8ea1-cda7a4842d7e%2F1bfd5327-d62f-48ef-89ff-fa5c7e0b109a%2Ft4pw78e_processed.png&w=3840&q=75)
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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