NOTES ON PLATE-GIRDER DESIGN 



Maximum bending moment 

 .2,075.000-H225,000, x( , ^ _ 



_2,075.000+225,000x 

 -2,075,000 



_ 20,750.000 42,250.000. 



2,075,000 i.-)0,000x LV. 

 225,(K 



450 > 000x .2,075,000+2,250,000 



= ZZbjVOO -r~ j 



450,000x = 225,OOOZ - 4,325,000 

 x -1 -9.61. 



Substituting this value for x in tin- following simplified 



cxprcs.-ion for the moment 



1,500,000 + 225,000. - - 



there i.s given 

 M - 1,500,000 



225,000/i ,A 2 20,750,000 



- 



41 'iPQ C\ *\f\ 



= 1,500,000 + 112,500/ -2,162,500 -2,162,500 +- ^ 

 -56.250/ + 2,162,500 - 



= -662,500 + +56.250/ = 56.250Z -662,500 



