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Effect of Wave Load on the Member Force of Steel Structure of Floating Buildings

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Abstract

For floating buildings may float on the water for a long time, they are constantly affected by various environmental loads such as wind and wave loads. In this study to find the wave effect on the floating building, five models are designed using steel moment resisting frame. It is assumed that the lower part of the floating building is a reinforced concrete pontoon, while the upper part is a three-story steel frame. To analyze floating buildings affected by wind and wave loads, hydro-dynamic and substructure analysis are performed. As input loads, this study set limits that the mean wind velocity is 35 m/s and the significant wave height is 0.5 m for the residential building. From the hydrodynamic analysis, the time-history acceleration of building is obtained and transformed into a base ground input for a substructure analysis of the superstructure of the building. Finally the mean of the maximum from 30 dynamic analysis of the floating buildings are used to be compared with the results of the same model on the ground. It was shown that the dynamic results with wind and wave loads are not always lesser than the static results which are calculated with static equivalent wind load for a building that is located on the ground.

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Authors and Affiliations

  1. Department of Architecture and Building Engineering, Kunsan National University, Kunsan, Korea

    Young-Wook Lee

  2. Structural Engineer Part, DDB, Inc, Jeonju, Korea

    Tae-Jun Park

Authors
  1. Young-Wook Lee
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  2. Tae-Jun Park
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Correspondence to Young-Wook Lee.

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Lee, YW., Park, TJ. Effect of Wave Load on the Member Force of Steel Structure of Floating Buildings. Int J Steel Struct 18, 1431–1439 (2018). https://doi.org/10.1007/s13296-018-0164-1

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  • DOI: https://doi.org/10.1007/s13296-018-0164-1

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