Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 9, Part 2American Society of Mechanical Engineers, 1990 - Arctic regions |
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Page 56
... considered as a background document for the partial safety coefficients in the NPD - regulations , the theoretical annual probability of defined failure of offshore structures designed to meet recog- nized codes is generally in the ...
... considered as a background document for the partial safety coefficients in the NPD - regulations , the theoretical annual probability of defined failure of offshore structures designed to meet recog- nized codes is generally in the ...
Page 77
... considered to give additional information of relevance here . A q ; = 0.46 has been used . Tubular K - Node in a jacket structure . A tubular node in a jacket structure with geometry as shown in Fig- ure 6 is considered next . The ...
... considered to give additional information of relevance here . A q ; = 0.46 has been used . Tubular K - Node in a jacket structure . A tubular node in a jacket structure with geometry as shown in Fig- ure 6 is considered next . The ...
Page 268
... considered . Some important factors to be considered are : 1 ) Mechanical properties ( i.e. yield strength and fracture toughness ) of LBZ's and surrounding zones 2 ) LBZ distribution , size , 3 ) distance to defects or cracks ...
... considered . Some important factors to be considered are : 1 ) Mechanical properties ( i.e. yield strength and fracture toughness ) of LBZ's and surrounding zones 2 ) LBZ distribution , size , 3 ) distance to defects or cracks ...
Contents
Investigation of the Ergodicity Assumption for Sea States in the Reliability Assessment of Offshore | 1 |
OFFSHORE TECHNOLOGY PART A | 33 |
Extreme Forces on Large AxiSymmetric Offshore Structures in Directional Seas | 49 |
Copyright | |
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amplitude applied assessment assumed axial basic variables behaviour calculated coefficient component computed considered corrosion cost crack depth crack growth rate CTOD curve defect deterministic drag force effects Engineering environmental equation estimated evaluated extreme failure mode failure probability fatigue crack growth fatigue damage fatigue failure fatigue strength Figure fracture mechanics fracture toughness frequency Gaussian geometry hindcast initial inspection instability load integration limit state function linear Lognormal LRFD material maxima maximum mean value method nonlinear normal normal distribution North Sea obtained offshore structures parameters platform predicted pressure probabilistic probability density function probability distribution quadratic random variable ratio reliability analysis reliability index residual stresses response risk S-N curve safety sea-state significant wave height simulation spectral standard deviation statistical stochastic storm stress intensity factor stress range Table tension tether tubular joints vector Weibull distribution weld weldments