Page 203 - Marine Structural Design
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Chapter 9 Buckling and Local Buckling of Tubular Members 179
Case A" Strain Stress
Figure 9.19 Elasto-plastic Stress Distribution Accompanied
by Local Buckling (DENT Model)
(a) Actual plastic zone under combined
thrust and bending
r v
nT*
I
i
PO
It,--/
(b) Distrfbution of increment of plastic
curva ture
(c) Oisribution of increment of plastic axial
strain
Figure 9.20 Equivalent Length of the Plastic Zone
