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 205
... length from 18 % for a 12 m to 44 % for a 36 m section . For the long free span to the left of the peak , the free span height is relatively small over a relatively long length . In this case , use of a prebent section will effectively ...
... length from 18 % for a 12 m to 44 % for a 36 m section . For the long free span to the left of the peak , the free span height is relatively small over a relatively long length . In this case , use of a prebent section will effectively ...
Page 273
... Length 50 60 70 80 90 100 110 120 130 140 Bucking Length [ m ] 150 160 Uncontrolled Feed - In Controlled Feed - in Fig . 7 : Buckling Load vs Buckling Length ( 2 ) Buckling Force vs Buckling Amplitude Fig . 6 : Bending Moment to First ...
... Length 50 60 70 80 90 100 110 120 130 140 Bucking Length [ m ] 150 160 Uncontrolled Feed - In Controlled Feed - in Fig . 7 : Buckling Load vs Buckling Length ( 2 ) Buckling Force vs Buckling Amplitude Fig . 6 : Bending Moment to First ...
Page 475
... length of the curved section is about 1.5 L. Hence there is no benefit with respect to initiation load from increasing the length of the curve above this value . 1.8 1.6 1.4 • Lc = 40 m -Lc = 60 m a Fl . 9,12 Δ = κα EA 2EA ( 6 ) where F ...
... length of the curved section is about 1.5 L. Hence there is no benefit with respect to initiation load from increasing the length of the curve above this value . 1.8 1.6 1.4 • Lc = 40 m -Lc = 60 m a Fl . 9,12 Δ = κα EA 2EA ( 6 ) where F ...
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