USEFUL DATA 



10, Beam Supported at Ends. Three unequal unsymmeirical concentrated loads. 



P SPb _ 2Pa 



^^m = Greater Reaction 



Mi =^2Pb M,= j2Pb^Pi{at-(k) 



M» 



-2 Pa 



<ii3aw 



Mm = Greatest of Mi Mt and Mt 

 = A/, if Pi > Ri 

 = M, if Pi < Ri when (Pi+P,)>i2i 



«J/3 if Pz> Rt 



11. Beam Supported at Ends. Three equal symmetrical concentrated loads. 





Ri =R.= ^ = V. 



384 EI 



at center 



12. Beam Supported at Ends. Uniform load partially distributed. 



^- w pounds per foot 



■ 



[Ri 



Rr =|(6-a)(2/-6-a) 

 R^ =|(6-a)(2a+6-a) 



Moment _ i ^i 



Diafirram ^ ~^~^ in 



M, 



Ri\ 



Shear Diasram y^^ = 



/S-12fiiXo 





i22 



6(xo-a)' 



31 



