Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 11, Part 5American Society of Mechanical Engineers, 1992 - Arctic regions |
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Page 173
... occurs regularly for pipelines aligned perpendicular to the prevailing wind directions ( Figure 1 ) . ( 2 ) In laminar wind conditions , the maximum stress ranges during vibration exceed 6.8 ksi for 6 - inch and 8 - inch water and oil ...
... occurs regularly for pipelines aligned perpendicular to the prevailing wind directions ( Figure 1 ) . ( 2 ) In laminar wind conditions , the maximum stress ranges during vibration exceed 6.8 ksi for 6 - inch and 8 - inch water and oil ...
Page 223
... occurs opposite the corroded region , failure occurs in the corroded region . However , real corrosion is irregularly shaped , and consideration must be given to the possibility of the initiation of tearing from notch - like corrosion ...
... occurs opposite the corroded region , failure occurs in the corroded region . However , real corrosion is irregularly shaped , and consideration must be given to the possibility of the initiation of tearing from notch - like corrosion ...
Page 229
... occurs when some critical state ( for example , a critical plastic strain ) is reached in the corroded region ; this critical state is often not reached until yielding occurs outside the pit . Since the stresses in the corroded region ...
... occurs when some critical state ( for example , a critical plastic strain ) is reached in the corroded region ; this critical state is often not reached until yielding occurs outside the pit . Since the stresses in the corroded region ...
Contents
OFFSHORE PIPELINE TECHNOLOGY | 53 |
CODESSTANDARDS AND REGULATIONS | 75 |
OFFSHORE MECHANICS AND ARCTIC ENGINEERING | 89 |
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Alberta amplitude analysis applied assessment axial bending buckling burst pressure calibrated Canadian Standards Association coefficient collapse construction corroded region corrosion corrosion pit crack criterion cylinder damper defects depth displacement distribution effect elastic Engineering environmental equation estimated evaluation failure modes failure probability fatigue damage Figure finite element flow force fractile fracture limit fracture mechanics fracture toughness frequency frost heave gas pipeline geometry hoop stress installation lift force limit state function Limit States Design load lognormal longitudinal maximum measured methods offshore pipelines OMAE operation orifice plate parameters pipe wall pipeline design pipeline spans pipeline system plastic predicted ratio reliability S-N curve safety level sample simulation SMYS soil specific standards steel stepblade strain strake stress concentration structural Submarine Pipeline Table temperature differential tensile topsoil tube bundle uncertainty usage factor variable vibration vortex shedding wall thickness weld yield strength yield stress