Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 14, Part 3American Society of Mechanical Engineers, 1995 - Arctic regions |
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Page 20
... Efthymiou versus Wordsworth ) . Stress Concentration Factors for Unstiffened Joints A comparison of the ratio of Efthymiou to Wordsworth SCFs for the joints in the two platforms is shown in Figure 1 for axial , in - plane bending and ...
... Efthymiou versus Wordsworth ) . Stress Concentration Factors for Unstiffened Joints A comparison of the ratio of Efthymiou to Wordsworth SCFs for the joints in the two platforms is shown in Figure 1 for axial , in - plane bending and ...
Page 22
... Efthymiou than with the Wordsworth equations . The Efthymiou to Wordsworth fatigue life ratio exceeds one for approximately 55 % of the joints in the deep water platform and for approximately 67 % of the joints in the shallow water ...
... Efthymiou than with the Wordsworth equations . The Efthymiou to Wordsworth fatigue life ratio exceeds one for approximately 55 % of the joints in the deep water platform and for approximately 67 % of the joints in the shallow water ...
Page 36
... Efthymiou 4.47 1.28 1.95 Experimental data 1.71 1.82 6.13 LR 5.03 1.28 2.2 Predicted data 4.08 2.1 7.08 T 2.92 Table 8 : Fatigue life ratios for ring - stiffened joint air data A design curve ( defined as two standard deviations below ...
... Efthymiou 4.47 1.28 1.95 Experimental data 1.71 1.82 6.13 LR 5.03 1.28 2.2 Predicted data 4.08 2.1 7.08 T 2.92 Table 8 : Fatigue life ratios for ring - stiffened joint air data A design curve ( defined as two standard deviations below ...
Contents
FATIGUE GUIDANCE FOR OFFSHORE STRUCTURES | 1 |
OFFSHORE MECHANICS AND ARCTIC ENGINEERING | 14 |
STRUCTURAL INTEGRITY METHODS FOR WELDED COMPONENTS | 55 |
Copyright | |
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analysis applied assessment austenitic axial behaviour bending brace calculated cathodic protection Charpy chord Corrosion Fatigue crack depth crack front crack growth rate crack propagation crack tip CTOD cycles defect deformation developed effect Efthymiou equations evaluation experimental failure fatigue crack growth fatigue guidance fatigue lives fatigue strength fatigue tests Figure finite element finite element analysis fracture mechanics fracture toughness GCHAZ geometry hammer peening high strength steels hydrogen increase Laser welds load material measured method microstructure mismatch mixed mode multiplanar notch offshore structures parameters parametric equations parent plate peening pipe plate thickness predictions Proc procedure region repair residual stress ring-stiffened joints riser S-N curve sea water seawater shown in Fig strain stress concentration stress concentration factor stress intensity factor stress range surface cracks Table tensile test results titanium TMCP tubular joints tested values weld metal weld toe welded joints weldment yield strength