Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 10, Part 5American Society of Mechanical Engineers, 1991 - Arctic regions |
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Page 17
... tension is discussed in detail . Linearized soil damping and elasticity at the lower end of the suspended span is ... tension force = real tension force + * D2 times external hydrostatic pressure = static part of effective tension force ...
... tension is discussed in detail . Linearized soil damping and elasticity at the lower end of the suspended span is ... tension force = real tension force + * D2 times external hydrostatic pressure = static part of effective tension force ...
Page 24
... tension force -146 to 109 KN 45 dynamic tension force : -469 to 829 KN axial 400 400 200 0 ° ( lateral ) -200 T = 4s dynamic -51 to tension force : 28 kN -400 400 45 ° -200 -400 400 200 -200 -2 dynamic tension force -821 to 1049 KN 135 ...
... tension force -146 to 109 KN 45 dynamic tension force : -469 to 829 KN axial 400 400 200 0 ° ( lateral ) -200 T = 4s dynamic -51 to tension force : 28 kN -400 400 45 ° -200 -400 400 200 -200 -2 dynamic tension force -821 to 1049 KN 135 ...
Page 194
... tension applied on the vessel . The installation pro- cess shown , includes pulling the end of the line through a J - tube to the top of the platform . During the process , the line is exposed to tension , bending and pressure loads ...
... tension applied on the vessel . The installation pro- cess shown , includes pulling the end of the line through a J - tube to the top of the platform . During the process , the line is exposed to tension , bending and pressure loads ...
Contents
Propagation and Diffraction of Cnoidal Waves | 9 |
Dynamic Stresses and Motions of Offshore Pipelines During Laying | 17 |
TimeDevelopment of Scour Induced Free Spans of Pipelines | 25 |
Copyright | |
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applied axial base metal brazing cables calculated carbon equivalent chemical composition cnoidal waves coating cooling crack CTOD curve cycle defects developed dew point temperature diameter dynamic tension force effect electrode equation field Figure fitness-for-purpose flaws flow foam forge welding fracture fracture mechanics free span frequency friction welding gas pipeline GMAW Gr.B HAZ hardness heat input hydrocarbon dew point induction heating inner pipe installation insulation internal J-Lay length line pipe linepipe load material maximum measured mechanical properties method microstructure nonlinear offshore pipelines operation ovalization parameters pipe material pipe wall pipeline plate pressure problem procedure propagation PUFI PWHT ratio reeling S-N curves seam weld simulation Specimen steel stress surface T-cross portion tensile strength thermal thermal insulation toughness tube UOE pipe velocity wall thickness water depth water dew point weld metal X80 grade yield strength