Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 5American Society of Mechanical Engineers, 1988 - Arctic regions |
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Page 141
... depth and wave motion , and by the instantaneous lowering of sea floor strength because of vibration ( phenomenon ... depth less than 15 m above bedrock , Diluvial layers with depth greater than 15 m above bedrock , and alluvial layers ...
... depth and wave motion , and by the instantaneous lowering of sea floor strength because of vibration ( phenomenon ... depth less than 15 m above bedrock , Diluvial layers with depth greater than 15 m above bedrock , and alluvial layers ...
Page 163
... depth : Trench type and depth : II . COATING , WELDING AND LAYING Corrosion coating : Welding procedure : NDT of circumference weld : Lillebaelt + Storeboelt 60 km ( 2 x 30 km ) 762 OD x 12.7 mm X65 6 - 7,5 MPa 30 - 41 m jet sleigh / 1 ...
... depth : Trench type and depth : II . COATING , WELDING AND LAYING Corrosion coating : Welding procedure : NDT of circumference weld : Lillebaelt + Storeboelt 60 km ( 2 x 30 km ) 762 OD x 12.7 mm X65 6 - 7,5 MPa 30 - 41 m jet sleigh / 1 ...
Page 346
... depth ranges , ice conditions and soil properties across the route . The model carries out a step optimization procedure which solves the decision tree in Fig . 2 and gives the optimal configuration defining the type of main line , type ...
... depth ranges , ice conditions and soil properties across the route . The model carries out a step optimization procedure which solves the decision tree in Fig . 2 and gives the optimal configuration defining the type of main line , type ...
Contents
Model Tests | 3 |
B Bryndum V Jacobsen and D T Tsahalis 9 | 21 |
Scour Under Pipelines | 33 |
Copyright | |
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acoustic velocity analysis Arctic Engineering axial behaviour bending bottom boundary layer buckling cable calculated clamp Cobia compression corrosion crack cylinder deflection deformation developed dew point diameter drag drag coefficient effect elastic equation experimental field Figure finite element flow force coefficients free span frequency friction friction welding function hoop stress horizontal Hydraulic hydrodynamic hydrodynamic forces in-line installation irregular waves length lift coefficient lift force liquid load maximum measured mechanical method monitoring movement nodal analysis operating parameters phase pipe displacement pipe material pipeline predicted pressure procedure ratio response riser roughness SCADA scour sea bed sea floor seabed shown simulated slug soil steady current steel storm strain strain gauges stress structural submarine pipelines surface Technology temperature tion Turning Bands underwater values variation vertical vortex shedding water depth welding zone