Vertical Dynamic Stiffness of Offshore Foundations

Chiara Latini, Michele Cisternino, Varvara Zania

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Nowadays, pile and suction caisson foundations are widely used to support offshore structures which are subjected to vertical dynamic loads. The dynamic soil-structure interaction of floating foundations (foundations embedded in a soil layer whose height is greater than the foundation length) is investigated by numerical analyses of representative finite element models. The 3D numerical model is compared and validated with existing analytical solutions. A parametric study is carried out analyzing the effect of the slenderness ratio Hp/d and the height and the stiffness of the soil layer on the dynamic stiffness and damping.
Original languageEnglish
Title of host publicationProceedings of the 26th International Ocean and Polar Engineering Conference
EditorsJin S. Chung, Michael Muskulus, Ted Kokkinis, Alan M. Wang
PublisherInternational Society of Offshore & Polar Engineers
Publication date2016
ISBN (Print)9781880653883
Publication statusPublished - 2016
Event26th International Ocean and Polar Engineering Conference (ISOPE 2016) - Rhodes, Greece
Duration: 26 Jun 20162 Jul 2016
Conference number: 26


Conference26th International Ocean and Polar Engineering Conference (ISOPE 2016)
SeriesProceedings of the International Offshore and Polar Engineering Conference


  • Soil-structure interaction
  • Dynamic stiffness
  • Damping; floating foundations
  • Numerical modelling
  • Elastodynamic analytical solution

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