B D For the truss shown, determine the force in members BD, CD, and CE stating whether the member force is in tension or compression. 2m F E 1.5m 1.5m 1.5m 344 N
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- For the trusses shown, determine the forces acting on members PC, PJ and PL. 1m 1m 2m 16 kN 16 kN 32 kN 32 kN 8@2m=16mUse the substitute member to make a complete analysis of the complex truss shown. d 3m 25kN 4 m e1.5 m a. 2 at 4 m = 8 m %3DInd the force In each member of the truss shown in Fig.using method of sections 4.5m 4.5m 4.5m 100kN 150 kN
- For the truss shown in the figure determine the forces in members HD, HI and AD. F G 4 kN 8 m 4 kN H D 8 m В 10 m 4 m 6 m 6 mActivity 2. Using method of sections, solve for the force acting on member BD of the truss shown. [Ans. BD=1340.78KN (C)] 800KN 400KN 400KN 2m 4m 4 panels at 4 mFor the truss shown in the figure determine the forces in members HD, HI and AD. G 4 KN 8 m 4 kN H E D 8m B 10 m 4 m 6 m 6 m
- SITUATION#4: From the truss shown, calculate member force at EG, EH and FH. 60 KN G H 120 kN 120 KN A B TIT 3m 3 at 4 m= 12 mDetermining the forces in three members on the right- hand side of the truss members HD, CD, and GD. For the Howe bridge truss shown, d=11 ft,F1=2950 lb, F2=2150 lb, F3=2650 lb, and F4=4450 lb. F3 Hy G F d A В с. D Ed -d -d +d Then Determine the forces in three members on the left-hand side of the trus in members HI, BH, and BC.EXERCISE 2: Find the forces in members of the truss shown below. 3kN B, 6kN 300 C 3kN А, \60° 60% D 30° 2m Solution : 1kN 2m
- The truss is loaded by concentrated forces as shown in the figure. Use E = 30 x 106 psi and A = 0.90 in² for all the members. Determine the deformation sustained by members CG and FG. 12 kips 14 kips 16 kips A B с 10 kips |-6R-|-6A 8 ft ļE 5 ft ——6 ft—6 ft--6 ft-Problem 2: In the truss shown here, Calculate the forces in members Bs, om, Lm, Bm OK, kl, mB, i A, Aj, nk) Rear tions at supports A an B P * i 500 lb. n j 30° an 다 PA 500 lb. r * * 30 ft. (5x6 ft.) K m B is S1.20 Determine the smallest allowable cross-sectional areas of members CE, BE, and EF for the truss shown. The working stresses are 20 ksi in tension and 14 ksi in compression. (The working stress in compression is smaller to reduce the danger of buckling.) 30 kips 30 kips A 8 ft B 8 ft C 8 ft D E 18 ft F G FIG. P1.20