Assessment of p-y Curves from Numerical Methods for a non-Slender Monopile in Cohesionless Soil

Lars Bo Ibsen, Hanne Ravn Roesen, Torben K. Wolf, Mette Hansen, Kristian L. Rasmussen

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

4 Citations (Scopus)

Abstract

In current design the stiff large diameter monopile is a widely used solution as foundation of offshore wind turbines. Winds and waves subject the monopile to considerable lateral loads. The current design guidances apply the p-y curve method with formulations for the curves based on slender piles. However, the behaviour of the stiff monopiles during lateral loading is not fully understood. In this paper case study from Barrow Offshore Wind Farm is used in a 3D finite element model. The analysis forms a basis for extraction of p-y curves which are used in an evaluation of the traditional curves. Different extraction methods are described and discussed.
Original languageEnglish
Title of host publicationThe Proceedings of the Twenty-third (2013) International Offshore and Polar Engineering Conference
Number of pages8
Volume2
PublisherInternational Society of Offshore & Polar Engineers
Publication date2013
Pages436-443
ISBN (Electronic)978-1-880653-99-9
Publication statusPublished - 2013
EventThe 23rd International Ocean and Polar Engineering Conference - Anchorage, Alaska, United States
Duration: 30 Jun 20135 Jul 2013

Conference

ConferenceThe 23rd International Ocean and Polar Engineering Conference
Country/TerritoryUnited States
CityAnchorage, Alaska
Period30/06/201305/07/2013
SeriesProceedings of the International Offshore and Polar Engineering Conference
ISSN1098-6189

Keywords

  • Laterally Loaded
  • Monopiles
  • P-Y Curves
  • Finite Element Modelling
  • Plaxis 3D

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