A symmetrical framework consisting of three pin-connected bars is loaded by a force P. The angle...

 

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A symmetrical framework consisting of three pin-connected bars is loaded by a force P. The angle between the inclined bars and the horizontal is 48°. The axial strain in the middle bar is measured as 0.00213. Length of bar BD is L = 2 m. 1.8 m 1.8 m B 48B 48B L-2 m Li L, a. Compute the elongation in bar BD. b. Compute the elongation of bar CD. c. Compute the stress of bar CA. A symmetrical framework consisting of three pin-connected bars is loaded by a force P. The angle between the inclined bars and the horizontal is 48°. The axial strain in the middle bar is measured as 0.00213. Length of bar BD is L = 2 m. 1.8 m 1.8 m B 48B 48B L-2 m Li L, a. Compute the elongation in bar BD. b. Compute the elongation of bar CD. c. Compute the stress of bar CA.