Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 13, Parts 3-5American Society of Mechanical Engineers, 1994 - Arctic regions |
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Page 89
... lower direct stress range scatter out to the longer lives . Therefore , there is a noticeable effect of decreasing fatigue life associated with increasing direct stress range . However , the lower bound from the regression on the ...
... lower direct stress range scatter out to the longer lives . Therefore , there is a noticeable effect of decreasing fatigue life associated with increasing direct stress range . However , the lower bound from the regression on the ...
Page 21
... lower the carbon equivalent number , the greater the percentage decrease in notch toughness . However , a lower carbon equivalent is desirable for improved weldability . The carbon equivalent ( CE ) was calculated using the formula ...
... lower the carbon equivalent number , the greater the percentage decrease in notch toughness . However , a lower carbon equivalent is desirable for improved weldability . The carbon equivalent ( CE ) was calculated using the formula ...
Page 97
... lower than traditional design onshore and 8 or 12.5 % lower than traditional design offshore ( for the same wall thickness tolerances ) . For the large diameter ( > 20 " ) trunk lines of primary interest in this paper , this 8 ...
... lower than traditional design onshore and 8 or 12.5 % lower than traditional design offshore ( for the same wall thickness tolerances ) . For the large diameter ( > 20 " ) trunk lines of primary interest in this paper , this 8 ...
Contents
FATIGUE AND DEFORMATION | 1 |
FRACTURE ASSESSMENT AND ANALYSIS | 37 |
FATIGUE DESIGN AND DETECTION | 73 |
Copyright | |
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analysis angle applied ASME assessment axial behaviour bending calculated cathodic protection corrosion crack growth rate crack propagation crack tip CTOD cycles deformation developed diameter displacement drillpipe dynamic elastic equation experimental factor failure fatigue crack growth fatigue strength ferrite finite element fracture mechanics fracture toughness free span geometry heat hoop stress hydrogen Ice Class increase initial installation J-Lay length limit load material maximum mbar method microstructure modulus nitrogen notch obtained offshore structures OMAE operating parameters pipe pipeline plastic Poisson's ratio predicted pressure ratio repair residual stress S-N curve scour sea ice sea water shielding gas simulated soil sour crude oil specimens steel strain rate stress intensity stress range surface Table Technology temperature tensile tubular joints values wall thickness water depth weld deposit weld metal weld toe weldment size effect wire yield strength Young's modulus