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 52
... safety coefficients are the defect size , fracture Thus toughness , applied stress and residual stress . Eqn . [ 15 ] may be rewritten in terms of partial safety factors as : Y1 SE - Ya < 0 [ 17 ] Y4 is the partial safety factor for ...
... safety coefficients are the defect size , fracture Thus toughness , applied stress and residual stress . Eqn . [ 15 ] may be rewritten in terms of partial safety factors as : Y1 SE - Ya < 0 [ 17 ] Y4 is the partial safety factor for ...
Page 93
... safety installation ca- used by construction activity in the vici- nity of the platform is considered minor and the risk level acceptable . The total pipeline safety system is illustrated on fig . 4 showing an above water ESD - valve ...
... safety installation ca- used by construction activity in the vici- nity of the platform is considered minor and the risk level acceptable . The total pipeline safety system is illustrated on fig . 4 showing an above water ESD - valve ...
Page 96
... safety valve involve some major operational problems . However , they can be minimized by a pro- per design of the valve system , which allows for the exchange of the weaker part of the system , normally the check valve . A safety ...
... safety valve involve some major operational problems . However , they can be minimized by a pro- per design of the valve system , which allows for the exchange of the weaker part of the system , normally the check valve . A safety ...
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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