Determine the force in each member of the roof truss shown. The roof is simply supported on purlins which, in turn, are attached to the joints of the top chord of the truss. Thus, the uniformly distributed loading on the roof is transmitted by the purlins as concentrated loads to the truss joints.

 

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T 12 ft 12 ft T FIG. P4.29 300 lb/ft 25f1- B 150 lb/f Roof D Purlin C itit-254- T 12 ft 12 ft T FIG. P4.29 300 lb/ft 25f1- B 150 lb/f Roof D Purlin C itit-254-

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