A 











1.000 psi;t 

 500 psi for 



to 1.000 psi at 100-psi 

 epressurized to 500 PS 

 220min;depressunzed 



at 100-psi 

 to psi at 



eld for 10 n 

 100-psi/mm 



ii 



1 









J 











"^ pressured to 











-> 



500 psi at 100-psi/min 

 i for 240 mm, depress!. 

 )-psi/min rate 





held at 500 p 

 to psi at 50 









Notes: 



1. Temperature o 



interior surface— 38° 









" 



I Temperature o 

 J. Dimensions of 



exterior surface — 34° 

 phere — 66-in. OD x 6 

 i G Piexiglas 



F 



-in ID 







Figure 1 12. Comparison of strains under 500-psi sustained hydrostatic loading 

 and strains under 500-psi sustained hydrostatic loading following 

 a sustained loading of 1,000 psi; strains were measured on the 

 interior surface in the equatorial region of the 66-inch-diameter 

 capsule. 



Figure 1 13. Change in displacement of the 66-inch-diameter capsule under 

 sustained hydrostatic loadings of different magnitudes. 



