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Derivation of Contour Plots for the Characterization of the Behaviour of Sand under Undrained Loading

Research output: Contribution to journalArticleResearchpeer review

Authors

  • Jann Eike Saathoff
  • Martin Achmus

Details

Original languageEnglish
Pages (from-to)530-548
Number of pages19
JournalGeotechnics
Volume4
Issue number2
Publication statusPublished - 4 Jun 2024

Abstract

The soil response under the inherent cyclic loading conditions when dealing with offshore foundations can be considered by using contour plots. These plots are derived from several cyclic laboratory tests and characterize the general cyclic soil behaviour. In the design process with explicit numerical methods, such plots are needed in order to assess the soil behaviour under arbitrary loading conditions and hence estimate the cyclic foundation response. In the paper, excess pore pressure contour plots for a poorly graded medium sand are derived from numerous constant volume (CV) cyclic direct simple shear (DSS) tests and a new approach for parametrization of the plots is presented. Subsequently, the data are assessed regarding scaling for other sand soils, i.e., construction of contour plots with only a small number of test results by using the general trends observed.

Keywords

    contour plot, cyclic DSS tests, cyclic soil behaviour, excess pore pressure accumulation, offshore, regression analysis

ASJC Scopus subject areas

Cite this

Derivation of Contour Plots for the Characterization of the Behaviour of Sand under Undrained Loading. / Saathoff, Jann Eike; Achmus, Martin.
In: Geotechnics, Vol. 4, No. 2, 04.06.2024, p. 530-548.

Research output: Contribution to journalArticleResearchpeer review

Saathoff JE, Achmus M. Derivation of Contour Plots for the Characterization of the Behaviour of Sand under Undrained Loading. Geotechnics. 2024 Jun 4;4(2):530-548. doi: 10.3390/geotechnics4020029
Saathoff, Jann Eike ; Achmus, Martin. / Derivation of Contour Plots for the Characterization of the Behaviour of Sand under Undrained Loading. In: Geotechnics. 2024 ; Vol. 4, No. 2. pp. 530-548.
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Download

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