



11 



















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□ Pf/Pl ~0.43 

 .P,/P,^ 0.70.^^^0.7 



EMPIRICAL ELASTIC CURVE 



























































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10 12 14 16 18 20 22 24 26 28 30 



'/4 



Figure 3 - Experimental Inelastic Buckling Data for Machined 

 Shallow and Deep Spherical Shells with Glaii5)ed 

 Edges 



