Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 14, Part 5American Society of Mechanical Engineers, 1995 - Arctic regions |
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Page 163
... wall & / ref ( b ) Pressure response for a pipe with a 30 deg . corrosion patch ( = 1/12 ) or a fully corroded pipe ( = 1 ) Fig . 2. The long corrosion model . geometry and typical response 2.1 . Reference case : full circumferential ...
... wall & / ref ( b ) Pressure response for a pipe with a 30 deg . corrosion patch ( = 1/12 ) or a fully corroded pipe ( = 1 ) Fig . 2. The long corrosion model . geometry and typical response 2.1 . Reference case : full circumferential ...
Page 176
... wall thickness . A longitudinal constraint to prevent axial deformation was applied at the ends of the linepipe models and a vertical support was placed at the pipe bottom . The simulated internal corrosion grooves / pits had a semi ...
... wall thickness . A longitudinal constraint to prevent axial deformation was applied at the ends of the linepipe models and a vertical support was placed at the pipe bottom . The simulated internal corrosion grooves / pits had a semi ...
Page 202
... wall thickness ) + 10 % wall thickness Grade C 15 30 % wall thickness ) - i.e. Grade A Grade B Grade C = = 40 - 100 % wall thickness 60 % spread = 20 - 60 % wall thickness 40 % spread 5- 40 % wall thickness 35 % spread • 1994 , High ...
... wall thickness ) + 10 % wall thickness Grade C 15 30 % wall thickness ) - i.e. Grade A Grade B Grade C = = 40 - 100 % wall thickness 60 % spread = 20 - 60 % wall thickness 40 % spread 5- 40 % wall thickness 35 % spread • 1994 , High ...
Contents
Current Measurements and Modelling Data Basis for Pipeline | 29 |
20 Years Learning Experience | 37 |
Innovations in Pipeline Installation | 47 |
Copyright | |
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American Gas Association analysis applied approach ASME assessment backfill behaviour bending buckling cathodic protection chromium compressive corrosion rate cost cracking criteria CTOD curve defects deformation depth diameter disbonded displacement effect Engineering equation evaluation factors failure finite element flow gas pipelines geotechnical ground movement hazards hoop stress increase influence diagram inspection installation integrity interaction internal coating joint landslide LIGHTLY CORROSIVE limit line pipe load localisation maintenance material maximum measurements mechanical method North Sea Norwegian Trench Offshore operating parameters performed pipe material Pipeline Technology plastic potential predicted pressure probabilistic risk S-N curve safety samples seabed shear strength shown in Figure SINTEF Skaha Lake slope soil resistance specimen steel strain stress Stress Corrosion Cracking surface temperature tensile tests thermal insulation tidal tie-in trench values wall thickness weld metal yield strength