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 a. Compute the elongation in bar BD. b....

Extracted text: 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 a. Compute the elongation in bar BD. b. Compute the elongation of bar CD. c. Compute the stress of bar CA. strain in the middle bar is measured as 0.00213. Length of bar BD is L = 2 m. 1.8 m 1.8 m /48B 486 L-2 m LI D