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 253
... usage factor . It is seen that a usage factor of 0.72 results in a failure probability in the order of 10-23 for the ultimate limit state , compared with that for the yielding limit state as shown in Figure 2. This is as expected , as ...
... usage factor . It is seen that a usage factor of 0.72 results in a failure probability in the order of 10-23 for the ultimate limit state , compared with that for the yielding limit state as shown in Figure 2. This is as expected , as ...
Page 262
of design lifetime and is thus regarded as very small . When the usage factor increases from 0.1 to 0.3 , the failure probability increases by nearly two orders magnitude . This implies that the current design practice requires an ...
of design lifetime and is thus regarded as very small . When the usage factor increases from 0.1 to 0.3 , the failure probability increases by nearly two orders magnitude . This implies that the current design practice requires an ...
Page 263
... usage factor of 0.1 applied in the current design practice is found to be conservative . Through reliability calibration , a more rational usage factor of 0.2 is obtained . When concerning access for inspection , the currently applied ...
... usage factor of 0.1 applied in the current design practice is found to be conservative . Through reliability calibration , a more rational usage factor of 0.2 is obtained . When concerning access for inspection , the currently applied ...
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