Transcription of Offshore Structural Design - Structural Engineers
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11 Offshore Structural DesignOffshore Structural DesignDetail EngineeringDetail EngineeringFixed PlatformsFixed of Fixed Platforms3 Design of structuresIn-place Phase (Piles, Jacket ,Deck Integral)Three types of analysis are performed: Survival state----- wave/current/wind attack with 50 or 100 years recurrence period. Operational state--- wave/current/wind attack with 1 or 5 years recurrence period, under full operation. Fatigue assessment for Design life. analyses are performed on the complete and intact structure.
– DnV: Rules for the classification of fixed offshor e installations. – AISC: Specification for the design, fabrication an d erection of structural steel for buildings. American Institute of Steel Construction . Widely used structural code – AWS D1.1-90: Structural Welding Code - Steel. American Welding Society 1990.
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