\VKH PLATES ; 



function of the* ] pit !,, t hi* more vertical row* the 



greater the \.-rti al pitrh 



Let IT -tin- pitch of t)n> rivet* in a vertical <lirrctioo; 

 II nuinl>er of v.-nii-al rowg of riv 

 d- distance from the neutral axis to horiiontal 



row of 

 For three v. rti.ul rows 



(t0-l)AXl6,OOOXf/48-3x9190xd/48 



u>- 34.570/7000 -4.94", aay 4J". 



For two \ it i< al rows 



(tr-l)Ax 16,000 Xd/48- 2 X9190xd/48 



or 



w - 25,380/7000 - 3.62, sav 



r this >|li. rtical rows on earh -i.i- 



4} will Lx used, as it gives a web plate \\ith I. r-h, 

 of strength at tin >pli< 



Tli. -i .!!. should now be exumiiu-d for tin- rane of 

 75,000 sh ! Miimltunt ous moment of 3 f 400 v OOO ft.-lbs. 



9190x95 



oin (5) the flange pitch at the center P* 75000 



= 11.0" for no part of the web acting as flange. The 

 flange as designed uses 5.25 sq.in*. of the \\. I, for flange 

 area; the pit.-h <>f th* riv.ts connecting the flange angles 



K)X96 39.98 



to the web is- -- U - 6X - 13 



The 7xJ flats on th< il legs of the flange angles 



will therefore be made to tak.- al*ut r 8 rivets on each 

 side of the splice. 



