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2.31. The curved rigid bar ADB is joined to the two elastic bars OA and OB as shown in Fig. 2-48. For additional strength, it is desired to join bar OC to ADB at the midpoint D. However, through a manufacturing error OC is fabricated 1.8 mm too short. Determine the initial stresses in these three bars when point C is mechanically forced to D and these two points pinned together. The area of each outer bar is three times that of the central bar, and for all bars E = 200 GPa. Ans. Outer bars 43.6 MPa, central bar 75.5 MPa 1 m, 30° 30° D Im

2.31. The curved rigid bar ADB is joined to the two elastic bars OA and OB as shown in Fig. 2-48. For additional strength, it is desired to join bar OC to ADB at the midpoint D. However, through a manufacturing error OC is fabricated 1.8 mm too short. Determine the initial stresses in these three bars when point C is mechanically forced to D and these two points pinned together. The area of each outer bar is three times that of the central bar, and for all bars E = 200 GPa. Ans. Outer bars 43.6 MPa, central bar 75.5 MPa 1 m, 30° 30° D Im

Structural Analysis
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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2.31. The curved rigid bar ADB is joined to the two elastic bars OA and OB as shown in Fig. 2-48. For additional strength, it is desired to join bar OC to ADB at the midpoint D. However, through a manufacturing error OC is fabricated 1.8 mm too short. Determine the initial stresses in these three bars when point C is mechanically forced to D and these two points pinned together. The area of each outer bar is three times that of the central bar, and for all bars E = 200 GPa. Ans. Outer bars 43.6 MPa, central bar 75.5 MPa 1 m, 30° 30° D Im
Transcribed Image Text:2.31. The curved rigid bar ADB is joined to the two elastic bars OA and OB as shown in Fig. 2-48. For additional strength, it is desired to join bar OC to ADB at the midpoint D. However, through a manufacturing error OC is fabricated 1.8 mm too short. Determine the initial stresses in these three bars when point C is mechanically forced to D and these two points pinned together. The area of each outer bar is three times that of the central bar, and for all bars E = 200 GPa. Ans. Outer bars 43.6 MPa, central bar 75.5 MPa 1 m, 30° 30° D Im
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