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 94
... operation the mattresses were found totally disinte- grated and the covering structure under- scoured with the lower edges 1-2 m ( 3 - 7 4 . OPERATION - The access to the subsea safety system , has proven to be hampered by backfilling ...
... operation the mattresses were found totally disinte- grated and the covering structure under- scoured with the lower edges 1-2 m ( 3 - 7 4 . OPERATION - The access to the subsea safety system , has proven to be hampered by backfilling ...
Page 174
... operation and efficiency and reliability requirements place certain limits on the state parame- ters and form the quality vector of in the quality space F. The relationship between the state vector and the quality one is : f = M [ 4 ] ...
... operation and efficiency and reliability requirements place certain limits on the state parame- ters and form the quality vector of in the quality space F. The relationship between the state vector and the quality one is : f = M [ 4 ] ...
Page 175
... operation ) of the pipeline section in heaving soil can be expressed as : P = Pm · Po where Pm ( 10 ) m is the function of the bending mo- ment distribution and P is the probability of failure - free operation that is taken from ...
... operation ) of the pipeline section in heaving soil can be expressed as : P = Pm · Po where Pm ( 10 ) m is the function of the bending mo- ment distribution and P is the probability of failure - free operation that is taken from ...
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Common terms and phrases
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