Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 9, Part 5American Society of Mechanical Engineers, 1990 - Arctic regions |
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Page 147
... weight are determined from pipe response parametric models and hindcast storm time series . Extreme value analysis ... weight is required for the pipeline to be stable on the seafloor after installation . Required pipe weights are ...
... weight are determined from pipe response parametric models and hindcast storm time series . Extreme value analysis ... weight is required for the pipeline to be stable on the seafloor after installation . Required pipe weights are ...
Page 150
... weight coatings do not vary with allowable displacements . Results given in Tables 6 and 7 show that the pipe weight coating requirements are consistently less based on the 100 - year response approach . LONG - TERM CUMULATIVE MOVEMENTS ...
... weight coatings do not vary with allowable displacements . Results given in Tables 6 and 7 show that the pipe weight coating requirements are consistently less based on the 100 - year response approach . LONG - TERM CUMULATIVE MOVEMENTS ...
Page 152
Pipe Weight ( lb / ft ) Most Prob . Disp . ( ft ) Expected Disp . ( ft ) Pipe Weight ( lb / ft ) Most Prob . Disp . ( ft ) Expected Disp . ( ft ) Pipe Weight ( lb / ft ) Most Prob . Disp . ( ft ) Expected Disp . ( ft ) 10 -10 0 60 40 20 ...
Pipe Weight ( lb / ft ) Most Prob . Disp . ( ft ) Expected Disp . ( ft ) Pipe Weight ( lb / ft ) Most Prob . Disp . ( ft ) Expected Disp . ( ft ) Pipe Weight ( lb / ft ) Most Prob . Disp . ( ft ) Expected Disp . ( ft ) 10 -10 0 60 40 20 ...
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addition analysis applied approach assessment assumed bending calculations caused considered CONTINUE corrosion crack damage deformation depth described diameter direction displacement distribution effect energy Engineering ensemble equations factors failure field Figure flow force fracture function given hole included increase initial installation internal layer length limit load material maximum mean measured mechanical method mode movement obtained occurred Offshore operation parameters pipe pipeline plastic plate platform position predicted presented pressure probability problem procedure properties radial range reduced relative reliability resistance response safety scaling scour seabed shown shows simulated soil solution span stability steel strain strength stress structure subsea surface Table term thickness toughness tracers tube uncertainty values valve variables wall wave weight weld