Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 2American Society of Mechanical Engineers, 2001 - Arctic regions |
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Page 285
... maintenance management systems are either only qualitative using a subjective pipeline index ( Davis , 1988 ) , or use relative - risk numbers for prioritizing pipeline segments for inspection / maintenance ( Kiefner et al , 1990 ) or ...
... maintenance management systems are either only qualitative using a subjective pipeline index ( Davis , 1988 ) , or use relative - risk numbers for prioritizing pipeline segments for inspection / maintenance ( Kiefner et al , 1990 ) or ...
Page 289
... maintenance , cost of action ( C ) cost of maintenance , then NPV = Cfna- ( Cfa + Ca ) . ( 2 ) Equation ( 2 ) compares two scenarios with different outcomes ( losses ) . Therefore , NPV > 0 means that MA yields a smaller loss ( is a ...
... maintenance , cost of action ( C ) cost of maintenance , then NPV = Cfna- ( Cfa + Ca ) . ( 2 ) Equation ( 2 ) compares two scenarios with different outcomes ( losses ) . Therefore , NPV > 0 means that MA yields a smaller loss ( is a ...
Page 290
... maintenance budget is always restricted . Therefore there always is a strong necessity to prioritize pipeline segments for maintenance and repair , given the next time of inspection . After the time span between the just completed and ...
... maintenance budget is always restricted . Therefore there always is a strong necessity to prioritize pipeline segments for maintenance and repair , given the next time of inspection . After the time span between the just completed and ...
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amplitude applied approach Arctic Engineering assessment Bay of Campeche calculated coefficient components Conference on Offshore considered corrosion cost crack growth criteria damage deck defect distribution dynamic effect element equation estimate evaluated evidential reasoning approach factor fatigue Figure FPSO frequency function fuzzy given Guedes Soares hydrostatic test inspection planning installation jack-up linear maintenance marine maximum Mechanics and Arctic method monopod nonlinear North West Shelf obtained Offshore Mechanics offshore structures operations optimal parameters peak pipe pipeline prediction probabilistic probability density probability density function probability of failure procedure random variables reliability analysis reliability index response return period Rio de Janeiro riser risk risk based inspection safety seismic ship significant wave height simulation spectral spectrum statistical steel storm stress structural reliability subsea surface Table temperature theory ultimate strength uncertainty valves velocity water depth Weibull distribution wind