Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 16, Parts 2-3American Society of Mechanical Engineers, 1997 - Arctic regions |
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Page 160
... period of the structure is 1.28 sec . The calculated natural period of the structure using the design soil stiffness is 1.37 sec . This indicates that the actual platform soil stiffness is close to the design stiffness . Furthermore ...
... period of the structure is 1.28 sec . The calculated natural period of the structure using the design soil stiffness is 1.37 sec . This indicates that the actual platform soil stiffness is close to the design stiffness . Furthermore ...
Page 204
... period TZR ( S ) Bandwidth 1 0.9 20 18 16 14 12 10 8 2 --Tendon 1 top Point in the hull 2 4 6 8 10 12 14 16 18 Mean wave zero upcrossing period Tz ( s ) FIG . 3- RESPONSE SPECTRA MEAN PERIODS 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0 2 4 6 ...
... period TZR ( S ) Bandwidth 1 0.9 20 18 16 14 12 10 8 2 --Tendon 1 top Point in the hull 2 4 6 8 10 12 14 16 18 Mean wave zero upcrossing period Tz ( s ) FIG . 3- RESPONSE SPECTRA MEAN PERIODS 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0 2 4 6 ...
Page 313
... Period ( sec . ) Canada East Coast site specific and guideline SLE response spectra The earthquake loading factor is YE = 1.0 for SSL # 3 . This com- pares with a value of Y = 1.0 for Safety Class 1 specified by Canadian Standards ...
... Period ( sec . ) Canada East Coast site specific and guideline SLE response spectra The earthquake loading factor is YE = 1.0 for SSL # 3 . This com- pares with a value of Y = 1.0 for Safety Class 1 specified by Canadian Standards ...
Contents
SPECTRAL MODELLING OF WAVES | 1 |
RISK ANALYSIS | 33 |
PROBABILISTIC MODELLING OF WAVES | 99 |
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alloys aluminium analysis applied ASME assessment base metal bending brittle fracture calculated coefficient corrosion fatigue crack arrestability crack depth crack growth crack tip CTOD curve damage defects deformation dent Det Norske Veritas developed distribution dynamic earthquake effect energy Engineering equation estimated evaluated factor failure fatigue crack Figure fracture mechanics fracture toughness frequency function heat increase initiation inspection Japan maintenance martensitic material maximum mbar measured mechanical properties method notch observed obtained offshore structures OMAE parameters peening performed pipe plastic platform prediction pressure procedure ratio reliability response risers S-N curve safety sea water seismic shielding gas ship shown in Fig simulation single-sided welds specimens spectra spectrum statistical steel plate strain stress range surface Table temperature tensile toughness tubular underwater underwater welding vertical wave height Weibull distribution weld metal welded joints width yield strength yield stress