Page 196 - Marine Structural Design
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172                                                     Part II Ultimate Strength





                                   Case A              Strafn      Stress


























                             Figure 9.14  Elasto-Plastic Stress Distribution Free from Local Buckling


                  where,
                       f, = Rcosa,
                       f2 = 2oyR2t(a, cosa, -sins,)

                       f3 = 2oyR2tsina,

                       f4  = o,R3t(n -a, -sinal cosa,)                                (9.25)
                         = -20yR2tsina,

                       fs =qj(l~/l-lll)/6-qi(Z~/61-l~~2+~ll~3)
                       c, = 2noyRt

                       C,  =12aylx2E                                                  (9.26)
                       w = (we + w, )Ix=,,                                            (9.27)

                          d’(w, +w, -w,
                       K=
                                dx2
                  Similarly, the following equations are obtained for the case B stress distribution:
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