Effect of relative pile’s stiffness on lateral pile response under loading of large eccentricity

Varvara Zania, Ole Hededal, R.T. Klinkvort

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

The wide application of monopiles as foundations for offshore wind turbines has raised the issue of the suitability of the p –y curves proposed by API for lateral pile loading, since the latter were developed after full-scale tests on flexible and slender piles. This study investigates the role of the relative pile’s stiffness, when it is subjected to lateral load of large eccentricity. Employing centrifuge experiments, a hollow steel pile well instrumented with strain gauge pairs has been subjected to lateral load. The bending moment distribution of the model pile embedded in uniform, dense, dry sand was obtained under two different stress levels and two different embedment depths. Hence, the p – y curves were obtained providing an insight into the effect of the relative pile’s stiffness on the soil – pile interaction, while the effect of the installation process could also be evaluated.
Original languageEnglish
Title of host publicationFrontiers in Offshore Geotechnics III
EditorsVaughan Meyer
PublisherCRC Press
Publication date2015
Pages753-758
ISBN (Print)978-1-138-02848-7
Publication statusPublished - 2015
Event3rd International Symposium on Frontiers in Offshore Geotechnics - Oslo, Norway
Duration: 10 Jun 201512 Jun 2015
Conference number: 3

Conference

Conference3rd International Symposium on Frontiers in Offshore Geotechnics
Number3
CountryNorway
CityOslo
Period10/06/201512/06/2015

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