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 308
... limit point . Secondary path BD indicates structural stability in the neighborhood of the bifurcation point , while path BE indicates structural instability . However , it should be added that the stable secondary path BD may soon ...
... limit point . Secondary path BD indicates structural stability in the neighborhood of the bifurcation point , while path BE indicates structural instability . However , it should be added that the stable secondary path BD may soon ...
Page 340
... limit states as follows : Damage Limit states are conditions that require repair , but do not result in immediate shutdown or an oil spill . This includes denting and wrinkling , for example . Collapse Limit states are conditions which ...
... limit states as follows : Damage Limit states are conditions that require repair , but do not result in immediate shutdown or an oil spill . This includes denting and wrinkling , for example . Collapse Limit states are conditions which ...
Page 343
... Limit States The limit states governing the pipe behaviour for scour - related loading are as follows : Rupture due to excessive tensile strain . The strain criterion for this limit state depends on the fracture toughness and the ...
... Limit States The limit states governing the pipe behaviour for scour - related loading are as follows : Rupture due to excessive tensile strain . The strain criterion for this limit state depends on the fracture toughness and the ...
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