Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 9, Part 2American Society of Mechanical Engineers, 1990 - Arctic regions |
From inside the book
Results 1-3 of 77
Page 47
TABLE 4 VARIABLE BIASES AND COVS Variable Loads Dead Bias COV 1.0 0.08 - Live 1.0 0.14 - Environ . ( wave ) 0.7 0.37 ... Table 3.14 of PRAC 85-22 and Table 2.3 of PRAC 87-22 after intro- ducing a yield stress bias of 1.05 for λ = 1.2 and ...
TABLE 4 VARIABLE BIASES AND COVS Variable Loads Dead Bias COV 1.0 0.08 - Live 1.0 0.14 - Environ . ( wave ) 0.7 0.37 ... Table 3.14 of PRAC 85-22 and Table 2.3 of PRAC 87-22 after intro- ducing a yield stress bias of 1.05 for λ = 1.2 and ...
Page 78
... Tables 3 -5 . Table 3 : Results for TLP design Number of Inspection times Thickness Expected ( years ) cost inspections No. 1 No. 2 ( mm ) 1 2 18 33 14 22 30 ( MNOK ) 1.84 1.10 The cost optimum design for the TLP is thus two inspections ...
... Tables 3 -5 . Table 3 : Results for TLP design Number of Inspection times Thickness Expected ( years ) cost inspections No. 1 No. 2 ( mm ) 1 2 18 33 14 22 30 ( MNOK ) 1.84 1.10 The cost optimum design for the TLP is thus two inspections ...
Page 218
... Tables 2 and 3. Table 2 also include the characteristic values . Major contributions to the variance of the limit state function M were found to be ( a ? ) : Environmental load Material toughness 13 % 50 % Defect depth Secondary stress ...
... Tables 2 and 3. Table 2 also include the characteristic values . Major contributions to the variance of the limit state function M were found to be ( a ? ) : Environmental load Material toughness 13 % 50 % Defect depth Secondary stress ...
Contents
Investigation of the Ergodicity Assumption for Sea States in the Reliability Assessment of Offshore | 1 |
OFFSHORE TECHNOLOGY PART | 33 |
Extreme Forces on Large AxiSymmetric Offshore Structures in Directional Seas | 49 |
Copyright | |
16 other sections not shown
Other editions - View all
Common terms and phrases
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 reliability 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 variation vector weld weldments