Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 5American Society of Mechanical Engineers, 1992 - Arctic regions |
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Page 226
... yield strength times 1.1 . The B31G manual bases its calculations on a flow stress equal to the nominal yield strength times 1.1 . Since the nominal yield strength is typically less than the measured yield stress , the B31G manual adds ...
... yield strength times 1.1 . The B31G manual bases its calculations on a flow stress equal to the nominal yield strength times 1.1 . Since the nominal yield strength is typically less than the measured yield stress , the B31G manual adds ...
Page 228
... yield stress plus 68.9 MPa ( 10 ksi ) . The hoop membrane stress concentration factor is more closely correlated ... Strength ( ksi ) Figure 7. Effective Membrane - Stress Predictions Compared to Test Data The predictions in Figures 4 and 7 ...
... yield stress plus 68.9 MPa ( 10 ksi ) . The hoop membrane stress concentration factor is more closely correlated ... Strength ( ksi ) Figure 7. Effective Membrane - Stress Predictions Compared to Test Data The predictions in Figures 4 and 7 ...
Page 260
... tensile strength . It is found that a constant flow stress to yield strength ratio of 1.1 may be applied . ( 30 ) The 8 , is the ratio of 8 to the fracture additional toughness max , with an adjustment ρ to allow for plasticity ...
... tensile strength . It is found that a constant flow stress to yield strength ratio of 1.1 may be applied . ( 30 ) The 8 , is the ratio of 8 to the fracture additional toughness max , with an adjustment ρ to allow for plasticity ...
Contents
OFFSHORE PIPELINE TECHNOLOGY | 53 |
CODESSTANDARDS AND REGULATIONS | 75 |
OFFSHORE MECHANICS AND ARCTIC ENGINEERING | 89 |
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Alberta analysis applied Arctic assessment axial bending buckling buried pipelines calculated Canadian Standards Association coefficient construction corrosion crack criteria cylinder damage defects depth developed diameter displacement distribution effect elastic Engineering environmental equation equipment estimated evaluation failure probability fatigue finite element flow force fractile fracture fracture mechanics frequency frost heave frozen soil gas pipeline geometry hoop stress horizontal inspection installation interaction internal lift force Limit States Design load lognormal longitudinal maximum measured Mechanics meter methods offshore pipelines OMAE operation orifice orifice plate parameters permafrost pipe wall pipeline spans pipeline system Pipeline Technology ASME plastic predicted pressure ratio reliability S-N curve scour simulation SMYS solution specific standards steel strain structural Table Technology ASME 1992 temperature differential tensile tube bundle usage factor variable velocity profile vertical vibration volumetric flow rate vortex shedding wall thickness weld yield strength