Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 1; Volume 7, Part 1American Society of Mechanical Engineers, 1988 - Arctic regions |
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Page 261
PERIOD ( SEC ) 55 50 45 90 40 = 1 me 0.005 + 09 m 0.40 € + 10 = 25,000 KIPS = 28.00 K / FT -73.00 K / FT = 140.00 K / FT 0.19E + 06 KIPS 4 . 55000 50000 45000 40000 TOWER WEIGHT 30- 25 20 35000 30000 TOWER WEIGHT ( SHORT TONS ) 5 . 6 ...
PERIOD ( SEC ) 55 50 45 90 40 = 1 me 0.005 + 09 m 0.40 € + 10 = 25,000 KIPS = 28.00 K / FT -73.00 K / FT = 140.00 K / FT 0.19E + 06 KIPS 4 . 55000 50000 45000 40000 TOWER WEIGHT 30- 25 20 35000 30000 TOWER WEIGHT ( SHORT TONS ) 5 . 6 ...
Page 294
... periods affected dynamic base shears ( DBS ) relatively little for periods longer than 30 seconds : 40 % changes in period influenced dynamic base shear by between 5 % to 10 % . For shorter periods ( 25 to 30 sec ) effects of period ...
... periods affected dynamic base shears ( DBS ) relatively little for periods longer than 30 seconds : 40 % changes in period influenced dynamic base shear by between 5 % to 10 % . For shorter periods ( 25 to 30 sec ) effects of period ...
Page 320
... period is in 2-3 years encountering ( according to DnV it is 3 times of construction period ) , and in 50 years encountering during operation period . Some environmental data for this design is listed Tab.2 . The loading scheme is shown ...
... period is in 2-3 years encountering ( according to DnV it is 3 times of construction period ) , and in 50 years encountering during operation period . Some environmental data for this design is listed Tab.2 . The loading scheme is shown ...
Contents
FLOATING PRODUCTION SYSTEMS | 1 |
OFFSHORE MECHANICS | 23 |
Early Production Systems in the North | 31 |
Copyright | |
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adsorber amplitude analysis angle Arctic Engineering axial bending buoy buoyancy cable caisson calculated coefficient compliant tower components Conference on Offshore curve damage diameter displacement drag coefficient drilling dynamic effect equation equipment fatigue Figure finite element flexible floating production flow function horizontal hydrodynamic installation jacket kips length linear load marine mass matrix maximum measured Mechanics and Arctic method mode mode shapes model tests modulus mooring line mooring system motion natural frequency nonlinear obtained Offshore Mechanics Offshore Technology Conference operation parameters performance pile pipe pipe materials pipeline platform pressure production riser random wave ratio response rope rotation RPIT shear shear modulus shear strength shown in Fig simulation soil static stiffness strength stress structure subsea surface syntactic foam tendon turbine uranium vane velocity vertical vessel water depth wave forces wave height wave power weight wellhead wire