Method of Sections

Problem 447 - Compound Truss Formed Into Three-Hinged Arch

Problem 447
The truss are joined as shown in Figure P-447 to form a three-hinged arch. Determine the horizontal and vertical components of the hinge force at B and then determine the type and magnitude of force in bars BD and BE.
 

447-compound-truss.gif

 

Problem 446 - Compound Truss Formed Into Three-Hinged Arch

Problem 446
A three-hinged arch is composed of two trusses hinged together at D in Figure P-446. Compute the components of the reaction at A and find the forces acting in bars AB and AC.
 

446-compound-truss.gif

 

Problem 443 - Analysis of Frame by Method of Members

Problem 443
The frame shown in Figure P-443 is hinged to rigid supports at A and E. Find the components of the hinge forces A and E and the forces in members BC and BD.
 

443-given-frame.gif

 

Problem 438 - Truss With Redundant Members

Problem 438
The center diagonals of the truss in Figure P-438 can support tension only. Compute the force in each center diagonal and the force in BC, DE, and FG.
 

438-counter-braces.gif

 

Problem 437 - Truss With Counter Diagonals

Problem 437
The center panel of the truss in Figure P-437 contains two flexible cables. What load P will cause a compressive force of 20 kN in BD? Then determine which tension diagonal BE or CD is acting and the force in it.
 

437-counter-diagonals.gif

 

Problem 436 - Howe Truss With Counter Braces

In Figure P-420, assume that counter diagonals act from B to E and from E to F in addition to the counter diagonals CD and DG shown in the figure. Assuming that these counter diagonals can support tension only, determine which diagonals are acting and the force in each.
 

420-howe-truss.gif

 

Problem 435 - Transmission Tower by Method of Sections

Problem 435
For the transmission tower shown in Fig. P-435, determine the force in member CJ.
 

435-transmission-tower-given.gif

 

Problem 434 - Scissors Truss by Method of Sections

Problem 434
Compute the force in bars GI, GH, EH, and HI for the scissors truss shown in Fig. P-433.
 

433-scissors-truss-given.gif

 

Problem 433 - Scissors Truss by Method of Sections

Problem 433
Compute the forces in bars AB, AC, DF, and DE of the scissors truss shown in Fig. P433.
 

433-scissors-truss-given.gif

 

Problem 432 - Force in Members of a Truss by Method of Sections

Problem 432
Use the method of sections to compute the force in members AB, AD, BC, and BD of the truss shown in Fig. P-432.
 

432-brief-pant-truss.gif

 

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