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 241
... combined use exhibited higher efficiency than those of conventional vertical upward low hydrogen electrode welding but also of high cellulose electrode welding . For thick - wall pipes of more than 20 mm in thickness , the efficiency of ...
... combined use exhibited higher efficiency than those of conventional vertical upward low hydrogen electrode welding but also of high cellulose electrode welding . For thick - wall pipes of more than 20 mm in thickness , the efficiency of ...
Page 269
... combined stress should not exceed 60 % of SMYS since only the pipeline expansion is considered . It should , however , be noted that such a reduction of the allowable combined stress must be fixed based on engineering judgement ...
... combined stress should not exceed 60 % of SMYS since only the pipeline expansion is considered . It should , however , be noted that such a reduction of the allowable combined stress must be fixed based on engineering judgement ...
Page 272
... Combined Stress As mentioned earlier , the permissible combined stress has been assumed to be 60 % of SMYS instead of of 67 % of SMYS in the present studies . Table 6 shows how the bottom clamp elevation changes with permissible ...
... Combined Stress As mentioned earlier , the permissible combined stress has been assumed to be 60 % of SMYS instead of of 67 % of SMYS in the present studies . Table 6 shows how the bottom clamp elevation changes with permissible ...
Contents
Model Tests | 3 |
B Bryndum V Jacobsen and D T Tsahalis 9 | 21 |
Scour Under Pipelines | 33 |
Copyright | |
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Common terms and phrases
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