Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 16, Parts 5-6American Society of Mechanical Engineers, 1997 - Arctic regions |
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Page 71
THE SUPERB PROJECT : RECOMMENDED TARGET SAFETY LEVELS FOR LIMIT STATE BASED DESIGN OF OFFSHORE PIPELINES Torbjørn Sotberg and Torgeir Moan SINTEF Civil and Environmental Engineering , Trondheim , Norway Roberto Bruschi Snamprogetti ...
THE SUPERB PROJECT : RECOMMENDED TARGET SAFETY LEVELS FOR LIMIT STATE BASED DESIGN OF OFFSHORE PIPELINES Torbjørn Sotberg and Torgeir Moan SINTEF Civil and Environmental Engineering , Trondheim , Norway Roberto Bruschi Snamprogetti ...
Page 74
... safety levels for platforms is that by the Canadian Standards Association , CSA ( 1987 ) . The ultimate limit state ( ULS ) design criteria for permanent operation in CSA ( 1987 ) are calibrated on the annual target failure ...
... safety levels for platforms is that by the Canadian Standards Association , CSA ( 1987 ) . The ultimate limit state ( ULS ) design criteria for permanent operation in CSA ( 1987 ) are calibrated on the annual target failure ...
Page 76
... SAFETY LEVELS Reference Units for Target Safety Levels Required minimal reliability levels only make sense together with a specification of a certain reference unit . The reference time period should reflect the nature of the failure ...
... SAFETY LEVELS Reference Units for Target Safety Levels Required minimal reliability levels only make sense together with a specification of a certain reference unit . The reference time period should reflect the nature of the failure ...
Contents
FREE SPANNING PIPELINEMULTISPAN PROJECTS | 11 |
Design Guideline for Free Spanning Pipelines | 28 |
RELIABILITY DESIGN SUPERB AND DNV96 PROJECTS | 45 |
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amplitude analysis ASME axial beam bending bending moment bottom boundary calculated characteristics coefficient collapse condition corrosion cross-flow defect deformation density Det Norske Veritas developed diameter displacement dynamic elastic electrodes Engineering equation evaluated experimental fatigue Figure floating airport flow rate fluid force free span function hoop stress horizontal hydrodynamic Hydroelastic impeller in-line VIV incident waves inspection instability region installation interaction Japan large floating structure length limit limit state design linepipe load effects maximum measured Mega-Float meter method mode mooring motion natural frequencies node numerical obtained Offshore parameters phase pipe predicted pressure distribution ratio reduced velocity reliability response safety class safety factors safety levels sand wave seabed simulation Statoil steel strain stress surface Table temperature thickness titanium trawl turbulence two-phase flow uncertainty velocity potential vertical vibration VLFS Vortex Induced Vibrations water depth wave height welding