DEAD LOAD STRESSES 



123 



reactions R^ 1 and P at A, and RS and P at B, we have the true 



, H B 



reactions R and R 2 . 



P, 



DEAD LOAD 

 Stress Diagram Force Polygon 



7 8 



FIG. 67. 



Having obtained the reactions, the stresses in the members are 

 found in the same manner as in simple trusses. In Fig. 67 the stresses 

 in the left segment are calculated by graphic resolution. The diagram 



