Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 10, Part 5American Society of Mechanical Engineers, 1991 - Arctic regions |
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Page 102
... fatigue damage during the lifetime of the pipeline . Both fatigue capacity due to so - called low cycle ( large strain ) and high cycle ( low stress ) cumulative damage should be checked in the design process . Two basically different ...
... fatigue damage during the lifetime of the pipeline . Both fatigue capacity due to so - called low cycle ( large strain ) and high cycle ( low stress ) cumulative damage should be checked in the design process . Two basically different ...
Page 107
... fatigue ( high strain ) area . Figure 10 gives similar curves for the site in 80 m water depth . The total damage ( deterministic estimate ) is lower here than for the case in 30 m water depth and the maximum damage density is thus ...
... fatigue ( high strain ) area . Figure 10 gives similar curves for the site in 80 m water depth . The total damage ( deterministic estimate ) is lower here than for the case in 30 m water depth and the maximum damage density is thus ...
Page 108
... fatigue failure is set to 10-4 . Yielding failure limits the design and fatigue failure has always the lowest requirements Wsd for both water depths . It is seen that fatigue failure is increasingly important for shallower water depth ...
... fatigue failure is set to 10-4 . Yielding failure limits the design and fatigue failure has always the lowest requirements Wsd for both water depths . It is seen that fatigue failure is increasingly important for shallower water depth ...
Contents
Design of the Troll Multiphase Transport System | 1 |
Propagation and Diffraction of Cnoidal Waves | 9 |
Dynamic Stresses and Motions of Offshore Pipelines During Laying | 17 |
Copyright | |
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applied axial base metal brazing cables calculated carbon equivalent chemical composition cnoidal waves coating cooling crack curve cycle defects developed dew point temperature diameter dynamic tension force effect electrode equation failure field Figure fitness-for-purpose flaws flow foam forge welding fracture fracture mechanics free span frequency friction welding gas pipeline glycol GMAW Gr.B HAZ hardness heat input hydrocarbon dew point induction heating inner pipe installation insulation J-Lay length line pipe linepipe load material maximum measured mechanical properties method nonlinear offshore pipelines operation parameters pipe material pipe wall pipeline Pipeline Technology ASME plate pressure problem procedure propagation PUFI PWHT reeling S-N curves seam weld simulation Specimen steel stress surface T-cross portion tensile strength thermal thermal insulation toughness tube UOE pipe velocity wall thickness water depth water dew point weld metal X80 grade yield strength