## Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 15, Part 2American Society of Mechanical Engineers, 1996 - Arctic regions |

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Page 345

**MEAN**STRESS EFFECTS IN STEEL WELDMENTS SUBJECTED TO CONSTANT AMPLITUDE FATIGUE LOADINGS David P. Kihl Structural Integrity Group David Taylor Model Basin CDNSWC , Bethesda , Maryland Shahram Sarkani Department of Civil , Mechanical ...Page 346

equ Re - 1 to failure ) as the actual applied stress cycle , S.mp , superimposed on the non - zero

equ Re - 1 to failure ) as the actual applied stress cycle , S.mp , superimposed on the non - zero

**mean**stress . The " R " in S. is the ratio of minimum applied stress to maximum applied stress ; R = -1 therefore indicates a fully ...Page 347

stress amplitude is obtained for a given

stress amplitude is obtained for a given

**mean**stress level . The Soderberg correction curve , although very close to the Goodman curve , is more conservative . There is therefore nothing further to be gained by its use .### What people are saying - Write a review

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### Contents

PROBABILISTIC MODELLING OF THE ENVIRONMENT AND RESPONSE | 1 |

A Nonlinear Model | 29 |

STRUCTURAL RELIABILITY | 95 |

Copyright | |

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analysis applied approach approximation assessment associated assumed calculated capacity combined components consequences considered corresponding cost crack critical damage deck defined dependent depth described determined developed direction distribution effects element Engineering equation error escalation estimated evacuation evaluated event example explosion extreme factor failure fatigue Figure fire force frame frequency function given gives hazard important included increase indices initial inspection installation Italy joint limit load mean measured method mode normal obtained offshore operation parameters performed period plate platform possible practice predictions presented pressure probability problem procedure production random reference reliability reliability analysis response risk safety scenarios ship shown shows significant simulation standard statistical strength stress structure surface Table towing uncertainties variables wave height wind