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 226
... factor . Note that the calculations shown in Figure 1 do not include an additional safety factor used in the B31G manual to convert the estimated failure pressure to a safe allowable operating pressure . When this additional safety ...
... factor . Note that the calculations shown in Figure 1 do not include an additional safety factor used in the B31G manual to convert the estimated failure pressure to a safe allowable operating pressure . When this additional safety ...
Page 228
... Factor Compared to Test Data 0.74 to 1.77 ; and the standard deviation is 0.20 , which equals 16 percent of the average safety factor . These values are similar to those of the effective - area method shown in Figure 3. Hence , the ...
... Factor Compared to Test Data 0.74 to 1.77 ; and the standard deviation is 0.20 , which equals 16 percent of the average safety factor . These values are similar to those of the effective - area method shown in Figure 3. Hence , the ...
Page 253
... 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 the ...
... 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 the ...
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