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. Assessments at damaged structures, with one member deleted, and assessments of collision situations are occasionally of structures(contd) Majority of Structural analyses are based on the linear theory of elasticity for total system behaviour.
– 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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