Dynamic Responses of an X-Braced Jack-Up Leg with Pile-Soil Foundation

Sang Hwan Heo; Weon Cheol Koo; Min Su Park; Sung Jae Kim

doi:10.4028/www.scientific.net/AMM.775.247

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 775Dynamic Responses of an X-Braced Jack-Up Leg with...

Dynamic Responses of an X-Braced Jack-Up Leg with Pile-Soil Foundation

Abstract:

In this study, the hydrodynamic characteristics of an X-braced-type jack-up leg with pile-soil foundation were investigated. Using the modified Morison equation and substructure method, wave excitation forces with effects of soil-structure interaction were calculated. The natural period and mode vector of the structure were obtained by using modal analysis. Newmark-beta time-integration method was used to predict the dynamic responses of the structure in the time domain. The maximum displacement and bending stress of the structure were analyzed under various soil conditions.

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Periodical:

Applied Mechanics and Materials (Volume 775)

Pages:

247-251

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.775.247

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Online since:

July 2015

Authors:

Sang Hwan Heo, Weon Cheol Koo*, Min Su Park, Sung Jae Kim

Keywords:

Jack-Up Leg, Modal Analysis, Morison Equation, Newmark-Beta Method, Offshore Wind Turbine Installation Vessel, Pile-Soil Foundation, Substructure Method

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* - Corresponding Author

References

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