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 405
... pipe increases from 161 MPa to 620 MPa . Comparing with the unpressurized pipe , the total maximum stress of the pressurized pipe is now smaller and the contribution of local stress is only a small fraction of that of the unpressurized pipe ...
... pipe increases from 161 MPa to 620 MPa . Comparing with the unpressurized pipe , the total maximum stress of the pressurized pipe is now smaller and the contribution of local stress is only a small fraction of that of the unpressurized pipe ...
Page 515
... pipe tension on the roll angle . Numerical Modelling The numerical analyses using ABAQUS are based on a 3D beam ... pipe element are two sets of different contact or interface elements , defined to model the contact between the pipe and ...
... pipe tension on the roll angle . Numerical Modelling The numerical analyses using ABAQUS are based on a 3D beam ... pipe element are two sets of different contact or interface elements , defined to model the contact between the pipe and ...
Page 518
... Pipe 2 →→ 2 - + --- 20 20 -600000 0 0 200 400 600 800 1000 1200 1400 1600 1800 2000 X - coordinate [ m ] 0 0.05 0.1 0.15 0.2 0.25 0.3 Effective bottom tension [ MN ] 0.35 0.4 Fig . 9. Moment About the Global Z - axis ( the Vertical ) ...
... Pipe 2 →→ 2 - + --- 20 20 -600000 0 0 200 400 600 800 1000 1200 1400 1600 1800 2000 X - coordinate [ m ] 0 0.05 0.1 0.15 0.2 0.25 0.3 Effective bottom tension [ MN ] 0.35 0.4 Fig . 9. Moment About the Global Z - axis ( the Vertical ) ...
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