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

Aske Theis Mikkelsen, Søren Dam Nielsen, Martin Underlin Østergaard

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Abstrakt

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.
OriginalsprogEngelsk
TitelThe Proceedings of the Twenty-ninth (2019) International Offshore and Polar Engineering Conference
RedaktørerJin S. Chung, Odd M. Akselsen, HyunWoo Jin, Hiroyasu Kawai, Yongwon Lee, Dmitri Matskevitch, Suak Ho Van, Decheng Wan, Alan M. Wang, Satoru Yamaguchi
Vol/bind2
ForlagInternational Society of Offshore & Polar Engineers
Publikationsdato2019
Sider2084-2090
ISBN (Elektronisk)978-1-880653-85-2
StatusUdgivet - 2019
BegivenhedThe International Society of Offshore and Polar Engineers 2019 - Honolulu, Hawaii, USA
Varighed: 16 jun. 201919 jun. 2019
Konferencens nummer: 29

Konference

KonferenceThe International Society of Offshore and Polar Engineers 2019
Nummer29
LandUSA
ByHonolulu, Hawaii
Periode16/06/201919/06/2019
NavnProceedings of the International Offshore and Polar Engineering Conference
Nummer2019
Vol/bind29
ISSN1098-6189

Emneord

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

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