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 259
... crack growth , is then crack dependent and given by ΔΚΟ So ( MM / ) ( a ) 1/2 ( 20 ) It is So which is more useful in practical consideration . It is obvious that So has the lower bound when a is equal to the wall thickness t , while it ...
... crack growth , is then crack dependent and given by ΔΚΟ So ( MM / ) ( a ) 1/2 ( 20 ) It is So which is more useful in practical consideration . It is obvious that So has the lower bound when a is equal to the wall thickness t , while it ...
Page 264
... Crack growth exponent , m Crack growth parameter , C1 Crack growth parameter , C2 Crack growth threshold , Ako constant 3.0 3.0 lognormal 1.7 10-13 0.59 3.6 10-13 lognormal 1.0 0.26 1.47 normal 63 . 0.1 50.4 Initial crack size , ao ...
... Crack growth exponent , m Crack growth parameter , C1 Crack growth parameter , C2 Crack growth threshold , Ako constant 3.0 3.0 lognormal 1.7 10-13 0.59 3.6 10-13 lognormal 1.0 0.26 1.47 normal 63 . 0.1 50.4 Initial crack size , ao ...
Page 317
... crack in cylindrical shell The case was further investigated for which the analytical solution is more difficult : a 1420 mm pipe diameter was designed with a wall thickness of 1.57 cm and a circumferential cracks of various length ...
... crack in cylindrical shell The case was further investigated for which the analytical solution is more difficult : a 1420 mm pipe diameter was designed with a wall thickness of 1.57 cm and a circumferential cracks of various length ...
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