Finite Element Modelling of p-y curves for Monopiles in Liquefied Soil

Aske Theis Mikkelsen, Søren Dam Nielsen, Martin Underlin Østergaard

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

Abstract

The lateral load response of a monopile is often modelled by p-y curves. However, the traditional formulation of p-y curves is unable to describe the behavior of liquefied soil. This paper presents a numerical investigation of how to develop p-y curves for monopiles installed in liquefiable soil. A monopile is modelled in the 3D finite element software package PLAXIS 3D, where a soil model able to capture liquefied soil behavior is applied. The numerical results are used to extract relevant data to assess liquefaction in the soil. Based on this information, p-y curves are generated for the liquefied soil.
Original languageEnglish
Title of host publicationThe Proceedings of the Twenty-ninth (2019) International Offshore and Polar Engineering Conference
EditorsJin S. Chung, Odd M. Akselsen, HyunWoo Jin, Hiroyasu Kawai, Yongwon Lee, Dmitri Matskevitch, Suak Ho Van, Decheng Wan, Alan M. Wang, Satoru Yamaguchi
Volume2
PublisherInternational Society of Offshore & Polar Engineers
Publication date2019
Pages2084-2090
ISBN (Electronic)978-1-880653-85-2
Publication statusPublished - 2019
EventThe International Society of Offshore and Polar Engineers 2019 - Honolulu, Hawaii, United States
Duration: 16 Jun 201919 Jun 2019
Conference number: 29

Conference

ConferenceThe International Society of Offshore and Polar Engineers 2019
Number29
CountryUnited States
CityHonolulu, Hawaii
Period16/06/201919/06/2019
SeriesProceedings of the International Offshore and Polar Engineering Conference
Number2019
Volume29
ISSN1098-6189

Keywords

  • p-y curves
  • Monopiles
  • Liquefaction
  • Offshore geotechnics
  • Finite element modelling
  • Earthquake engineering

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