62 



(8) Beam Fixed at Both Ends and Uniformly 

 Loaded. 



Diagram for Total Load : Draw para- 

 bola having fif= Also A A' paral- 



8 



lei to base and at a distance M'=> The Vertical 



distances between the 'parabola and line A A' are the 

 moments for corresponding points on beam. 

 Safe superimposed load, in lb., uniformly distributed, 



Distance of points of contra-flexure from supports 

 = .21131. 

 Maximum bending moment at points of support= 



12 12 



Bending moment at middle of beam= 



L'4 24 



W -J- W 

 Maximum shear at points of support = - ^ ? 



Maximum deflection = JL = < ^ W 3 

 384 El 384 AY 



(9) Beam Fixed at Both Ends With Load 



Concentrated at the Middle. 

 Diagram for superimposed load : 

 Draw triangle having M= _ Also A 



PI 

 A ' parallel to base and at a distance M' = The ver- 



8 



tical distances between the triangle and line A A' are 

 the moments for corresponding points on beam. 



