63 



Diagram for dead load nmilar to case (8). 

 Safe superimposed load, in lb., concentrated, P s = 



s -\ ir,. 



Distance of points of contra-flexure from supports^/. 

 Maximum bending moment at points of supports= 



PL+WJ; 



8 12 



Bending moment at middle of beam= 



8 



Maximum shear at points of support 



P/3 W 73 



Maximum deflection = - f_+-JlL!f_. 



384A7 



