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Floating structures
- 1. Recent Development of Floating Structures in Japan by use of Rubber Fenders for Mooring 7 th February 2012 Shigeru UEDA S. UEDA
- 2. Design of MooringSystem Methods of Mooring System 1) Chain, Cable ， Anchor ， Sinker 2) Tension Leg 3) Dolphin and Rubber Fenders 4) Jacket ， Pile and Rubber Fenders External Forces 1) Wind 2) Waves, Wave Drift Force 3) Current 4) Seismic load Motions and Mooring Forces are calculated by Numerical Simulation S. UEDA
- 3. a) Chain, Cableand Anchor, Sinker b) Tension Legs c) Dolphin and Fenders d) Jacket, Pile and Fenders Station Keeping Systems of Floating Structure S. UEDA UEDA 2007 ７ /09/2007 S. UEDA 2 S. MTEC S. UEDA
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- 7. Lacey Murrow Bridge S. UEDA
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- 9. Bergsoysund Bridge S. UEDA
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- 14. ational Oil StockpilingKamigoto ase S. UEDA
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- 20. Kamigotou oil strage L390m Shirashima oil strage L 39７ m B 97m B 82m D 27.6m D 25.4m Fender Fender C3000X8 C2500X16 C2250X4 S. UEDA
- 21. Courtesy of OsakaShinbun S. UEDA
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- 24. Yume Mai Bridge L 410m B 33.8m Fender SUC2500X24 S. UEDA
- 25. Courtesy of OsakaShinbun S. UEDA
- 26. S. UEDA Courtesy of Osaka Shinbun
- 27. Design of Connection Finger Joint Modular Joint Rubber Joint Rolling Leaf Joint S. UEDA
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- 31. Final Unit Jointed 1999 S. UEDA Courtesy of Asahi Shinbun
- 32. Mega Float Ph-1 １９９５－１９９７ 300m×60m×2m Ph-2 １９９８－２０００ 1000m×121m× ３ m Phase-2 S. UEDA Courtesy of Okamura
- 33. S. UEDA Courtesy of Asahi Shinbun
- 34. Pavement Fender Steel Jacket S. UEDA Steel Pipe Pile
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- 36. 600 500 SUC1000HRH Re a c tion Fo rc e （ｋ N) 400 300 200 Deflection against Steady force 10% Allowable Deflection 35% 100 Rated Deflection 0 0 10 20 30 40 50 Co m pre s s ion St ra in （％） Figure 3 Load-Deflection Characteristics of Rubber Fender S. UEDA
- 37. Creep (Static ,Dynamic) Load-Deflection Characteristics under Repeated Load Velocity and Temperature Factor Deterioration S. UEDA
- 38. Repeated compression characteristicsof the rubber fender 1.2 1.0 Reaction Force Ratio 0.8 0.6 100H(RH)50%NO.1 0.4 100H(RH)50%NO.2 100H(RH)20%NO.1 100H(RH)20%NO.2 0.2 630H(RH)30% 100H(RH)52.5% 630H(RH)20% 0.0 2 3 4 5 6 7 1 10 10 10 10 10 10 10 Numb e r o f C o mp re s s io n c yc le s S. UEDA
- 39. Temperature factor 1.6 1.4 -20℃ 0℃ 20℃ 1.2 1 Temperature Factor 0.8 0.6 40℃ 0.4 60℃ 0.2 0 0 10 20 30 40 50 60 S. UEDA Compression Strain （％）
- 40. Velocity factor 1.4 1.2 1％/s 0.0533％/s 1 0.25％/s Velocity Factor 0.8 3％/s 0.6 18.75％/s 0.4 37.5％/s 0.2 48％/s 0 100％/s 0 10 20 30 40 50 60 Compression Strain （％） S. UEDA
- 41. Static Creep 25 100H Initial Strain 8% 20 1000H Initial Strain 8% 100H Initial Strain 10% Compression Strain (%) 15 1000H Initial Strain 10% 10 100H Initial Strain 12% 1000H Initial Strain 12% 5 100H Initial Strain 17% 0 0 100 200 300 400 500 600 700 Initial Strain SUC1000H SUC100H 8％ 9.5 ％ 9.8 ％ 10 ％ 12.3 ％ 11.9 ％ Time Elapse (min.) 12 ％ 14.3 ％ 15.1 ％ S. UEDA 17 ％ － 23.3 ％
- 42. B Reac B’ tion A C A’ For C’ ce D’ Compression Strain Standard Performance Compression Strain(%) S. UEDA Compression Strain
- 43. Table 5.1 Variationof reaction force against the nominal load-deflection characteristics Oil Stockpiling Station (1999) Yume-Mai Bridge (2002) Manufacturing error 0.90 – 1.10 0.95 – 1.05 Aging 1.00 – 1.05 1.00 – 1.05 Velocity factor 1.00 – 1.10 1.00 – 1.05 Creep The steady load or the mean load shall be less than the reaction force at 10% strain, and to use the load-deflection characteristics in consideration of creep. Repeated 0.8 – 0.9 (at 40% deflection 0.9 – 1.0 (at 20% deflection compression repeated for more than 10 repeated for more than 10 cycles) cycles) Inclination Load-deflection characteristics compression in consideration of the lateral 0.95 – 1.00 force as 10% of the axial force Temperature factor 0.95 – 1.25 (at 0 – 50oC) 0.95 – 1.25 (at 15 – 45oC) S. UEDA
- 44. ational Oil StockpilingKamigoto ase Thank you very much for your patience S. UEDA