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Prediction of long-term deformations of offshore wind power plant foundations using engineer-oriented models based on HCA

Triantafyllidis, Theodoros ; Wichtmann, Torsten ; Chrisopoulos, Stylianos ; Zachert, Hauke (2016)
Prediction of long-term deformations of offshore wind power plant foundations using engineer-oriented models based on HCA.
26. International Ocean and Polar Engineering Conference 2016. Rhodos (26.06.2016-01.07.2016)
Konferenzveröffentlichung, Bibliographie

Kurzbeschreibung (Abstract)

The paper presents several engineer-oriented models based on the HCA model of Niemunis et al. (2005), dedicated to the prediction of long-term deformations of offshore wind power plant (OWPP) foundations caused by wind and wave action. A sub-layering model for shallow foundations under vertical cyclic loading and two different approaches (sub-layering model and stiffness degradation model) for monopile foundations subjected to a horizontal cyclic loading are presented. The results of these models are compared to the solution from complete 2D or 3D finite element simulations with the HCA model. Furthermore, the prediction is confronted with the prognosis of other engineer-oriented models proposed for OWPP foundations in the literature. Finally, a simplified procedure for the determination of the HCA material constants is briefly explained.

Typ des Eintrags: Konferenzveröffentlichung
Erschienen: 2016
Autor(en): Triantafyllidis, Theodoros ; Wichtmann, Torsten ; Chrisopoulos, Stylianos ; Zachert, Hauke
Art des Eintrags: Bibliographie
Titel: Prediction of long-term deformations of offshore wind power plant foundations using engineer-oriented models based on HCA
Sprache: Englisch
Publikationsjahr: 18 Dezember 2016
Ort: Cupertino
Verlag: International Society of Offshore and Polar Engineers (ISOPE)
Buchtitel: The proceedings of the Twenty-Sixth (2016) International Ocean and Polar Engineering Conference
Veranstaltungstitel: 26. International Ocean and Polar Engineering Conference 2016
Veranstaltungsort: Rhodos
Veranstaltungsdatum: 26.06.2016-01.07.2016
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Kurzbeschreibung (Abstract):

The paper presents several engineer-oriented models based on the HCA model of Niemunis et al. (2005), dedicated to the prediction of long-term deformations of offshore wind power plant (OWPP) foundations caused by wind and wave action. A sub-layering model for shallow foundations under vertical cyclic loading and two different approaches (sub-layering model and stiffness degradation model) for monopile foundations subjected to a horizontal cyclic loading are presented. The results of these models are compared to the solution from complete 2D or 3D finite element simulations with the HCA model. Furthermore, the prediction is confronted with the prognosis of other engineer-oriented models proposed for OWPP foundations in the literature. Finally, a simplified procedure for the determination of the HCA material constants is briefly explained.

Fachbereich(e)/-gebiet(e): 13 Fachbereich Bau- und Umweltingenieurwissenschaften
13 Fachbereich Bau- und Umweltingenieurwissenschaften > Institut für Geotechnik
Hinterlegungsdatum: 18 Dez 2020 11:27
Letzte Änderung: 18 Dez 2020 11:27
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