Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 15, Part 5American Society of Mechanical Engineers, 1996 - Arctic regions |
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Page 160
... critical fatigue failure . Neither will it implicate design safety . Hence , no additional fatigue requirement is needed . Accidental Requirement The accidental design criterion is to prevent bursting failure under a critical ...
... critical fatigue failure . Neither will it implicate design safety . Hence , no additional fatigue requirement is needed . Accidental Requirement The accidental design criterion is to prevent bursting failure under a critical ...
Page 375
... Critical Buckling Load ( MN ) 30 No Support 25 Saturated Silt 20 15 Design Axial Load 10 5 Critical Length - Saturated Sand . Liquified Soil 0 0 20 40 Length ( m ) 60 80 Figure 5. Computational Results global degrees of freedom ( NDOF ) ...
... Critical Buckling Load ( MN ) 30 No Support 25 Saturated Silt 20 15 Design Axial Load 10 5 Critical Length - Saturated Sand . Liquified Soil 0 0 20 40 Length ( m ) 60 80 Figure 5. Computational Results global degrees of freedom ( NDOF ) ...
Page 376
... critical buckling length . For the given example at a design force level of 0.80 MN , the critical buckling length for the unsupported case is 22.1 m . For the liquified soil , which has only a slight stiffness , the critical buckling ...
... critical buckling length . For the given example at a design force level of 0.80 MN , the critical buckling length for the unsupported case is 22.1 m . For the liquified soil , which has only a slight stiffness , the critical buckling ...
Contents
TROLL PIPELINE PROJECT | 1 |
SAFETY | 3 |
VOLUME IB OFFSHORE TECHNOLOGY | 4 |
Copyright | |
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analysis applied Arctic Engineering ASME assessment axial bending borehole buckling buckling length calculated Castorano configuration construction corrosion curve defects Det Norske Veritas diameter displacement dynamic effect factor failure Fensfjorden Figure fjord flexible pipe flow free span friction GTAW hoop stress horizontal impact installation interaction intervention J-lay Kollsnes landfall lateral counteracts laybarge laying length limit load martensitic material maximum Mechanics and Arctic meter Mongstad movement Norske Shell Norwegian Norwegian Trench Offshore Mechanics offshore pipelines operation parameters performed pipe material pipelay pipeline route Pipeline Technology post-lay pre-lay prebent section pressure pull-in riser rock safety seabed seismic shear strength slope soil spool stability Statoil steel stinger strain strength subsea survey temperature tension trawl board trench Troll Oil Pipeline Troll Phase tunnel vertical vessel wall thickness water depth weight welding yield strength Zeepipe