## Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 18, Part 4American Society of Mechanical Engineers, 1999 - Arctic regions |

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Page 26

The limit state function for fatigue crack growth of seam weld defects ( British

Standards Institute , 1991 ) is

failure , wall thickness , w , yield strength , Oy , defect length , L , and initial defect

depth ...

The limit state function for fatigue crack growth of seam weld defects ( British

Standards Institute , 1991 ) is

**given**by In order to calculate the probability offailure , wall thickness , w , yield strength , Oy , defect length , L , and initial defect

depth ...

Page 33

Table 6 Equivalent Hoop stress “ Usage factors ” The different requirement to

failure probability

and is

...

Table 6 Equivalent Hoop stress “ Usage factors ” The different requirement to

failure probability

**given**by the safety class is reflected in the safety class factorand is

**given**in Table 5 Safety Class partial safety factor . 2 ay sc . Y . ' Y , Table 5...

Page 318

Timoshenko Figures 8 and 9 shows the moment capacity surface

31 ) . In Figure 8 the moment capacity surface is seen from the external pressure ,

compressive longitudinal force side and in Figure 9 it is seen from above .

Timoshenko Figures 8 and 9 shows the moment capacity surface

**given**by Eq . (31 ) . In Figure 8 the moment capacity surface is seen from the external pressure ,

compressive longitudinal force side and in Figure 9 it is seen from above .

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### Contents

PIPELINE RELIABILITY AND LIMIT STATES DESIGN | 1 |

DESIGN OF PIPELINES AND RISERS | 5 |

OMAE99PIPE5019 | 21 |

Copyright | |

22 other sections not shown

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### Common terms and phrases

acceptable allowable analysis applied approach ASME assessment associated assumed axial bending branch buckling calculated capacity Conference considered construction Copyright corrosion cost crack defect defined deformation dent depth described determine developed diameter direction displacement effect element Engineering equation factor failure field Figure finite element force fracture function fuzzy given heat increase initial input inspection installation internal internal pressure length limit load material maximum measured Mechanics method modes neural networks obtained occur Offshore operating parameters performed pipe pipeline plastic possible predicted presented pressure probability problem range reduce reliability represent respectively risk safety sand shown shows soil specified specimens standard steel strain strength stress structural surface Table Technology temperature valve wall thickness weld yield