Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 18, Part 4American Society of Mechanical Engineers, 1999 - Arctic regions |
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Page 26
The distribution of crack depths is only known at time zero and it is therefore necessary to carry out the probabilistic calculations in terms of the initial defect depth an by transforming all depths back to time zero , using the ...
The distribution of crack depths is only known at time zero and it is therefore necessary to carry out the probabilistic calculations in terms of the initial defect depth an by transforming all depths back to time zero , using the ...
Page 47
200 150 30 % Allowable operating pressure ( bar ) 100 Allowable measured dofoct depth 1.00 50 % 0.90 50 0.80 70 ... Monsured rotative depth ( day 0.40 EXACT 0.30 Figure 4 Allowable operating pressure for three defect depths for 30 % ...
200 150 30 % Allowable operating pressure ( bar ) 100 Allowable measured dofoct depth 1.00 50 % 0.90 50 0.80 70 ... Monsured rotative depth ( day 0.40 EXACT 0.30 Figure 4 Allowable operating pressure for three defect depths for 30 % ...
Page 123
This resulted ina 19 - mm wall thickness from shore to 40 - m water depth and in 25 - mm wall thickness from 40 - m water depth to the PLEM . The on - bottom pipeline lateral stability was calculated by using the steady state and wave ...
This resulted ina 19 - mm wall thickness from shore to 40 - m water depth and in 25 - mm wall thickness from 40 - m water depth to the PLEM . The on - bottom pipeline lateral stability was calculated by using the steady state and wave ...
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Contents
PIPELINE RELIABILITY AND LIMIT STATES DESIGN | 1 |
DESIGN OF PIPELINES AND RISERS | 5 |
OMAE99PIPE5019 | 21 |
Copyright | |
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Common terms and phrases
acceptable allowable analysis applied approach ASME assessment associated assumed axial bending branch buckling calculated capacity Conference considered construction Copyright corrosion cost crack defect defined deformation dent depth described determine developed diameter direction displacement distribution effect element Engineering equation factor failure field Figure force fracture function fuzzy given heat increase initial input inspection installation internal internal pressure joint length limit load material maximum measured Mechanics method modes neural networks obtained occur Offshore operating parameters performed pipe pipeline plastic possible predicted presented pressure probability problem range reduce reliability represent respectively risk safety sand shown shows soil specified specimens standard steel strain strength stress structural surface Table Technology temperature valve wall thickness weld yield