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  Global Analysis of Submerged Floating Tube Bridge (SFTB): The Design Case of Crossing the Bjørnefjord in Norway

  The current paper shows an overview of the dynamic analysis methods and models for the SFTB concept. The design basis for the Bjørnefjord in Norway is given, followed by the analysis methods for different design issues together with example results. First and second order wave loads and responses, current induced loads and response (Vortex Induced Vibration, VIV) and other types of loads and responses are included in the analysis. Efforts have been made to identify the importance of different types of loads and responses. For the VIV issue a brief discussion is included on the applicability of the DNV-RP-F105 for subsea pipeline to the SFTB/SFT. In addition, the indication of a few other possible loads due to passing ships, internal waves, landslides and seiches are discussed.

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