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Lookup NU author(s): Dr Do Kyun KimORCiD
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The touch down zone (TDZ) and top connection point of the vessel are most critical part of fatigue damage in the steel catenary riser (SCR). In general, the linear soil model has been used to evaluate fatigue performance of SCRs because it gives conservative results in the TDZ. However, the conservative linear soil model shows the limitation to accommodate real behavior in the TDZ as water depth is increased. Therefore, the riser behavior on soft clay seabed is investigated using a nonlinear soil model through time domain approach in this study. The numerical analysis considering various important parameters of the nonlinear soil model such as shear strength at mudline, shear strength gradient and suction resistance force is conducted to check the adoptability and applicability of nonlinear soil model for SCR design.
Author(s): Kim YT, Kim DK, Choi HS, Yu SY, Park KS
Publication type: Article
Publication status: Published
Journal: Structural Engineering and Mechanics
Year: 2017
Volume: 61
Issue: 6
Pages: 737-746
Print publication date: 25/03/2017
Online publication date: 25/03/2017
Acceptance date: 15/11/2016
ISSN (print): 1225-4568
ISSN (electronic): 1598-6217
Publisher: Techno-Press
URL: https://doi.org/10.12989/sem.2017.61.6.737
DOI: 10.12989/sem.2017.61.6.737
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