A ol UhB IM.M 



At No. 11: 



2x0 

 tan 2 



1470-10,000 

 1-0 



p - 1(10,000 -I- 1470 V(B&30) + 4XOJ 

 -1(11,4 70 8530] 

 - +10,000, + 1470. 



At No. 

 p,- -10,000 



q-Q 



2x0 

 tan -0*200 -10 000 "*" ton^iitesimal-H- WOO 10,200) 



0-90orO 



p - 1[- 10,000 +200 V(10,200) 1 +4X(0)*] 



ART. 7. AREA OF WEB PLATES 



The preceding article ha* shown that the Btmwe* in 

 the web of a plate pinlrr arc of great 1 tions 



and intni-iti*-. The tniMlr stresses need an adequate 

 amount of inatrrial t> n->i>t tlu-in. tin- amount of \\ 

 is a direct function of the stress. 



The action of the com press! ve stresses is aupnn : 

 to a much greater degree than for tension, by secondary 

 Stresses if tin- material U- e\vn very .-lightly lurking in 

 uniformity. That is, a certain kind of column action is 

 set up. 



The maximum tensile and com press! ve stresses in the 



