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Table 9 Buckling under combined loading: Euler loads and experimental ratios

From: ASTER Shell: a simple concept to significantly increase the plastic buckling strength of short cylinders subjected to combined external pressure and axial compression

Specimen \(P_{E}\) (MPa) \(F_{E}\) (N) \(\frac{P_{exp}}{P_{E}}\) \(\frac{F_{exp}}{F_{E}}\)
A1 0.0210 14,111 0.99 0.021
A7 0.01725 11,718 0.87 0.17
A8 0.01972 13,276 0.81 0.34
A9 0.01707 11,737 0.76 0.33
A10 0.01971 13,150 0.61 0.51
A11 0.01704 11,680 0.44 0.58
A12 0.01971 13,150 0.40 0.55
A13 0.0169 11,643 0.27 0.67
A5 0.0214 14,193 0.00 0.77