Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 5-6; Volume 8, Parts 5-6American Society of Mechanical Engineers, 1989 - Arctic regions |
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Page 286
dated model that predicts crack extension during the load and hold portion of a hydrotest , and subsequent operation . The development has progressed to crack growth predictions for ( patched ) through - wall flaws in line pipe and by ...
dated model that predicts crack extension during the load and hold portion of a hydrotest , and subsequent operation . The development has progressed to crack growth predictions for ( patched ) through - wall flaws in line pipe and by ...
Page 333
( 3 ) Hydrogen Entry and Hydrogen Pressure - Induced Cracking Hydrogen Pressure - Induced Crack Formation and Extension ( 8 ) As shown in Figure 3.4 , under the environment which produces a high Ipmsı T1 / 2 tends to be short .
( 3 ) Hydrogen Entry and Hydrogen Pressure - Induced Cracking Hydrogen Pressure - Induced Crack Formation and Extension ( 8 ) As shown in Figure 3.4 , under the environment which produces a high Ipmsı T1 / 2 tends to be short .
Page 349
Now the question arises how this ' family ' of complex crack ensembles can be replaced or at least approximated by equivalent cracks of simpler geometry . To answer this question further computations were needed . Fig .
Now the question arises how this ' family ' of complex crack ensembles can be replaced or at least approximated by equivalent cracks of simpler geometry . To answer this question further computations were needed . Fig .
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Contents
PIPELINE DESIGN AND OPERATIONS | 1 |
PIPELINE INDUSTRY OUTLOOK 89 | 69 |
PIPELINE FORCES DYNAMICS AND STABILITY I | 95 |
Copyright | |
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analysis applied assumed bending bottom buckling bundle calculated caused coefficient Conference considered construction cost crack dependent depth determined developed diameter direction displacement effect Engineering equation experiments factor failure field Figure flow forces function geometry given heat horizontal hydrogen included increase indicated initial installation internal length lift force limit load lower material maximum measured Mechanics metal method monitoring movement natural obtained occur Offshore operation parameters pass pipe pipeline position possible predicted present pressure problem procedure production range ratio reduced REFERENCES reliability repair Research resistance response scour seabed separator shown shows simulation soil solution span steel strength stress structural surface Table temperature term tion tool velocity vertical vibration wave weight welding zone