OS-C501
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Offshore Standard DNV-<strong>OS</strong>-<strong>C501</strong>, November 2013<br />
App.E Tables of safety factors – Page 226<br />
Table E-5 Target reliability level A<br />
Distribution types Local response: Weibull<br />
Characteristic load: 99% quantile<br />
Resistance: Normal<br />
Characteristic resistance: 2.5% quantile<br />
Local response<br />
Resistance COV<br />
COV<br />
0.00 0.05 0.10 0.125 0.15<br />
0.00 γ FM<br />
1.07<br />
1.16<br />
1.26<br />
1.36<br />
γ FM = γ F x γ M 1.00x1.07 1.00x1.16 1.00x1.26 1.00x1.36<br />
0.05 1.02<br />
1.02x1.00<br />
1.02<br />
0.98x1.05<br />
1.10<br />
0.96x1.15<br />
1.16<br />
0.95x1.22<br />
1.23<br />
0.94x1.30<br />
0.10 1.03<br />
1.03x1.00<br />
1.01<br />
0.99x1.02<br />
1.06<br />
0.94x1.12<br />
1.10<br />
0.93x1.19<br />
1.17<br />
0.91x1.28<br />
0.15 1.05<br />
1.00<br />
1.03<br />
1.07<br />
1.12<br />
1.05x1.00 1.01x1.00 0.95x1.09 0.92x1.16 0.90x1.24<br />
0.20 1.07<br />
1.07x1.00<br />
1.01<br />
1.03x0.98<br />
1.02<br />
0.96x1.05<br />
1.04<br />
0.93x1.12<br />
1.08<br />
0.90x1.21<br />
Table E-6 Target reliability level B<br />
Distribution types Local response: Extreme of Gaussian Characteristic load: 99% quantile<br />
Resistance: Normal<br />
Characteristic resistance: 2.5% quantile<br />
Local response<br />
Resistance COV<br />
COV<br />
0.00 0.05 0.10 0.125 0.15<br />
0.00 γ FM<br />
1.11<br />
1.28<br />
1.41<br />
1.60<br />
γ FM = g F x γ M 1.00x1.11 1.00x1.28 1.00x1.41 1.00x1.60<br />
0.05 1.12<br />
1.12x1.00<br />
1.07<br />
1.07x1.00<br />
1.15<br />
0.94x1.22<br />
1.25<br />
0.91x1.37<br />
1.40<br />
0.89x1.57<br />
0.10 1.19<br />
1.19x1.00<br />
1.11<br />
1.15x0.97<br />
1.13<br />
1.02x1.11<br />
1.19<br />
0.94x1.27<br />
1.30<br />
0.87x1.49<br />
0.15 1.24<br />
1.15<br />
1.14<br />
1.18<br />
1.27<br />
1.24x1.00 1.20x0.96 1.08x1.06 0.99x1.19 0.90x1.40<br />
0.20 1.27<br />
1.27x1.00<br />
1.18<br />
1.23x0.96<br />
1.16<br />
1.12x1.03<br />
1.18<br />
1.03x1.14<br />
1.25<br />
0.94x1.34<br />
Table E-7 Target reliability level B<br />
Distribution types Local response: Gumbel Characteristic load: 99% quantile<br />
Resistance: Normal<br />
Characteristic resistance: 2.5% quantile<br />
Local response<br />
Resistance COV<br />
COV<br />
0.00 0.05 0.10 0.125 0.15<br />
0.00 γ FM<br />
1.11<br />
1.28<br />
1.41<br />
1.60<br />
γ FM = γ F x γ M 1.00x1.11 1.00x1.28 1.00x1.41 1.00x1.60<br />
0.05 1.16<br />
1.09<br />
1.14<br />
1.24<br />
1.39<br />
1.16x1.00 1.11x0.98 0.95x1.20 0.90x1.37 0.88x1.57<br />
0.10 1.27<br />
1.27x1.00<br />
1.18<br />
1.24x0.95<br />
1.15<br />
1.12x1.03<br />
1.18<br />
1.00x1.18<br />
1.28<br />
0.88x1.44<br />
0.15 1.37<br />
1.37x1.00<br />
1.26<br />
1.34x0.94<br />
1.20<br />
1.24x0.97<br />
1.21<br />
1.14x1.06<br />
1.25<br />
1.00x1.25<br />
0.20 1.44<br />
1.32<br />
1.25<br />
1.24<br />
1.26<br />
1.44x1.00 1.42x0.94 1.32x0.95 1.24x1.00 1.11x1.13<br />
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