Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 4American Society of Mechanical Engineers, 2001 - Arctic regions |
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Page 49
... increased to power 0.75 . Thus for 10 m water depth the mass increase is 27 % for level ice and 75 % for the pressure ridge loading case . For the 15 m water depth the same figures are 38 and 109 % . If only caisson diameter is increased ...
... increased to power 0.75 . Thus for 10 m water depth the mass increase is 27 % for level ice and 75 % for the pressure ridge loading case . For the 15 m water depth the same figures are 38 and 109 % . If only caisson diameter is increased ...
Page 182
... increase in the maximum scour depth can be ascribed to the increasing shear stress underneath the pipe as the pipe ... increase as the result of shear stress increase caused by the reducing gap between the pipe and the seabed . It is ...
... increase in the maximum scour depth can be ascribed to the increasing shear stress underneath the pipe as the pipe ... increase as the result of shear stress increase caused by the reducing gap between the pipe and the seabed . It is ...
Page 251
... increase as the defect length increases . For the B31G results this trend is expected because the actual failure pressure decreases with the increase of the defect length while the predicted failure pressure calculated by the equation ...
... increase as the defect length increases . For the B31G results this trend is expected because the actual failure pressure decreases with the increase of the defect length while the predicted failure pressure calculated by the equation ...
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Common terms and phrases
accretion analysis annulus Arctic Engineering Arctic Ocean axial loading behavior bending stiffness Bohai buckle arrestor cable calculated carrier pipe catenary coefficient collapse compressive Conference on Offshore configuration corrosion crack damping ratio deepwater defect deformation Det Norske Veritas developed diameter displacement dynamic elastic experimental failure pressures Figure finite element finite element analysis flexible pipe flowline fluid fracture freespans gauge grooves heat transfer heat transfer coefficient hummocks ice force ice load ice sheet increase installation insulation internal pressure layer length liner maximum Mechanics and Arctic method Offshore Mechanics operation parameters PETROBRAS phase pipeline pipeline system plastic predicted ratio reeling Rio de Janeiro riser system risk sagging sand scour sea ice seabed shear stress simulation soil specimens stamukhas steel strain strain gauges stress structure subsea surface temperature tension tests thermal thickness titanium values velocity water depth weld wrinkle