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A Study on the Effect of Soil Properties on Structural Behavior of Fixed Jacket Type Offshore Structure
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고정식 자켓형 해양구조물의 지반 물성치에 따른 구조 응답에 관한 연구

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Type
Academic journal
Author
Sangwoong Han (서울대학교) Kangsu Lee (한국해양과학기술원) Beom-Seon Jang (서울대학교) Junhwan Choi (서울대학교)
Journal
The Society of Naval Architects of korea Journal of the Society of Naval Architects of Korea Vol.55 No.5(Wn.221) KCI Accredited Journals
Published
2018.10
Pages
438 - 447 (10page)
DOI
10.3744/SNAK.2018.55.5.438

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A Study on the Effect of Soil Properties on Structural Behavior of Fixed Jacket Type Offshore Structure
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Abstract· Keywords

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For a fixed jacket type offshore structure directly supported by the seabed, the structural behavior of offshore structure depends on the soil properties. Soil properties affect on the stiffness of the piles and the boundary condition in the structural analysis. The structural analysis is performed using PSI (Pile-Soil Interaction) suggested in the code and design rule. PSI analysis of the jacket structure is carried out after various soil types are selected according to the soil properties like internal friction angle, undrained shear strength, unit weight and so on. Three types of soil are selected by varying strength for a clay and sand, respectively. The structural analysis of the jacket structure is performed using these soils. The results about axial and lateral reaction force and the stress and displacement on the structure are compared. As a results, the structural response is smaller as the soil becomes more stiff. In conclusion, it is confirmed that the structural response of fixed jacket type offshore platform supported by seabed is sensitive to the change of soil properties.

Contents

1. 서론
2. 방법론
3. 해석 및 결과
4. 결론
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UCI(KEPA) : I410-ECN-0101-2018-538-003566458