

steel 



acrylic plastic 



acrylic plastic 



steel 



17 











\| 



Theoretical 







-8 



- \1 



Experimental 





a 



-4 









'V 



\ 



n 



*>^ 



--V 



66 58 50 42 34 26 18 



Node Points 

 (a) Hoop stresses on the exterior surface. 



acrylic plastic steel 



1 -16 



66 



34 



58 50 42 



Node Points 

 (b) Hoop stresses on the interior surface. 









. 



L" 









1 



steel 



acrylic plastic 



- Experimental 







■ I 









•i 



\ 









\\ 



\\ 



v\ 



\\ 

 \\ 

 \ \ 



\ ■ 

 \ 



\ 

 \ 

 \ 



i 











i i i i i i i i 



Figure 103. Comparison of analytically and experimentally derived stresses 

 in 66-inch-diameter capsule under 500-psi short-term hydrostatic 

 loading. 



139 



