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 269
... stress of the riser section particularly at the bottom clamp location . As per DNV rules , 1981 ( 2 ) the Von Mises stress value should not exceed 67 % of the specified minimum yield strength ( SMYS ) of line pipe material in the ...
... stress of the riser section particularly at the bottom clamp location . As per DNV rules , 1981 ( 2 ) the Von Mises stress value should not exceed 67 % of the specified minimum yield strength ( SMYS ) of line pipe material in the ...
Page 329
... stress - strain curve in the initial linear and reversible portion of the response . The yield stress as defined herein is the stress at a strain of 0.5 percent as prescribed by CSA Standard Z245.1-1979 . It should be pointed out that ...
... stress - strain curve in the initial linear and reversible portion of the response . The yield stress as defined herein is the stress at a strain of 0.5 percent as prescribed by CSA Standard Z245.1-1979 . It should be pointed out that ...
Page 330
... stress behavior is assumed to be minimal as the residual stress effects are assumed to be axisymmetric about the longitudinal centerline of the pipe . Therefore , only the direct stress components Syy and Soo are of interest herein ...
... stress behavior is assumed to be minimal as the residual stress effects are assumed to be axisymmetric about the longitudinal centerline of the pipe . Therefore , only the direct stress components Syy and Soo are of interest herein ...
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