3,000 



A 



e max- 





* e min 



A 



2,000 













1,000 













1 



Time (minutes x 10 



2 3 



3, 



-1,000 



I Rd i ^ 



S\ A 



Time (minutes x 10 ) 



S -2,000 



-4,000 



0.1 



Time (minutes x 10°) 



0.2 0.3 



3, 



Time (minutes x 10 ) 



Figure 107. Strains on the interior surface of 66-inch acrylic plastic capsule 

 under cyclic pressure loading to 500 psi. 



143 



