en 



-20 







4 — 



- 1 - 



~* 















1 

 O 





— .-X 









^ 







( 





P^ 1 



[ 



Z3 LZ 







/ 



/ 

















> 



/ 



















/ 

















A 



/ 



^ 'bending 















/ 



A 





A 





/, 











/ 



















/ 





i'^x)^. 















/ 

















t 





















/ 



















/ 



r 



















/ 





















/ 





















/^y COMPUTED FROM EXPERIMENTAL POINTS 





1 







D rx) 



BENDING L INNER OUTER J 







I 



















0.1 0.2 0.3 0.4 C 



Figure 24 — Axial Membrane and Bending Stresses at the Major Axis 



28 



