CONTINUOUS BEAMS 

 VIII. CONTINUOUS BEAMS 



43 



Draw the shear and moment diagrams, determine the maximum 

 shear, maximum moment, danger sections, and points of inflection in 

 the following cases : 



392. 



393. 



394. 



395. 



396. 



397. 



398. 



w lb. per ft. 



WOO Ib.per ft. 



t 



120 Ib.per ft. 



-18' 



12 f - 



_ w Ib.per ft. \ 



--- I --- J-c ---- 1- -JU^-rJ --- -J 



___ w lb. per ft. | 



--- j _ -_>Ls. --- ; --- J^ ---- ^ --- _:>]<- ---- J ..,J 



Ib.per ft. 



-40'- 



-30'- 



t 



U 10' *JUfr #' 



100 Ib.per ft. 



| w lb. per ft. 



3 "'f T T 



U ---- 8'- ---^----10'---^* --- 10' --- 





A 12-inch steel I-beam, 40 pounds per foot, extends over these 

 supports. Find w for a factor of safety of 4. 



400. 



w lb. per ft. 



m 



