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: