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Homogeneous Wave Load Effects on the Connections of Main Parts of Side-Anchored Straight Floating Bridge

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  • Meysam Rajabi
  • Hassan Ghassemi
  • Hamidreza Ghafari

Abstract

In this paper, a numerical study is presented to investigate wave force on the connections of main parts of a side-anchored straight floating bridge concept for the Bjørnafjorden fjord crossing. The floating bridge is supported by 18 pontoons, and three groups of mooring lines are employed to restrain the bridge against horizontal loads and increase its transverse stiffness. The created wave forces at the connections of pontoon-column and column-girder of the floating bridge considering the effects of short-crested and long-crested waves, varying wave direction, hydrodynamic interaction between pontoons, and mooring system are analyzed. It is found that short-crested and long-crested waves depending on their direction decrease or increase the wave forces on the joints. Considering that the effect of hydrodynamic interaction between pontoons can increase or reduce the wave forces and moments created in the joints, which means the neglect of the hydrodynamic interaction effects between the pontoons to simplify the modeling of this type of floating bridge, may be unacceptable. Moreover, the results showed that the bridge mooring system does not merely reduce the wave forces and moments at joints along the bridge.

Suggested Citation

  • Meysam Rajabi & Hassan Ghassemi & Hamidreza Ghafari, 2021. "Homogeneous Wave Load Effects on the Connections of Main Parts of Side-Anchored Straight Floating Bridge," Mathematical Problems in Engineering, Hindawi, vol. 2021, pages 1-15, July.
    • Handle: RePEc:hin:jnlmpe:2855051
    DOI: 10.1155/2021/2855051
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