58 

 Maximum deflection= 



5 Wl* 5 ( W^ -f IV. ^ / 3 

 384 / == 384 " El 



(2) Beam Supported at Bolh Ends with load 

 Concentrated at the Middle. 



Diagram for superimposed load: 



PI 

 Draw triangle having Mp = r^ 



Diagram for dead load similar to case ( ! ) . 

 Safe superimposed load, in lb., concentrated, 



r s - Ws ~ w * 



Maximum bending moment at middle of beam= 



M =T + ~8^- 



P+ W. 



Maximum shear at points of support= 



P/ 3 5 W^ / 



Maximum deflection= + 3^4 j . 



(3) Beam Fixed at One End, Unsupported at 



the Other and Uniformly Loaded. 

 Diagram for total load: 

 Draw parabola having M= . 



Safe superimposed load, in lb., uniformly distributed, 



Maximum bending moment at point of support= 

 Wl (W,+ WJl 

 2 ~ 2 



