## 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 39

{ P. a - a - da - m ) – » ( 12 ) a - n - i - 2 An

coefficient of variation of the yield strength can be taken as ... A normal

distribution of the yield strength Of is

= 0.04 .

{ P. a - a - da - m ) – » ( 12 ) a - n - i - 2 An

**assumption**has been made that the 'coefficient of variation of the yield strength can be taken as ... A normal

distribution of the yield strength Of is

**assumed**in the following together with COV= 0.04 .

Page 306

release to be detected . These durations have been

6 hours respectively . It should be noted that these times represent hazard

durations ...

**assumed**based on the time that it is expected to take for the existence of arelease to be detected . These durations have been

**assumed**to be 168 , 48 and6 hours respectively . It should be noted that these times represent hazard

durations ...

Page 309

mm 15.6 where : a = X Probability of flowline or spool hit The probability of hitting

parts of the pipeline or spool consists of three parts : Table 8 Basic Data and

Assumptions A 100m section of rockdump is

...

mm 15.6 where : a = X Probability of flowline or spool hit The probability of hitting

parts of the pipeline or spool consists of three parts : Table 8 Basic Data and

Assumptions A 100m section of rockdump is

**assumed**to follow directly after each...

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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