Behaviour of Dense Frederikshavn Sand During Cyclic Loading

Søren Kjær Nielsen, Amir Shajarati, Kris Wessel Sørensen, Lars Bo Ibsen

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This article investigates how Frederikshavn Sand behaves when subjected to cyclic loading with emphasis on the development of deformations and the number of cycles, which it can withstand before failure is reached. The investigation is done by performing a series of undrained cyclic triaxial tests, at the Geotechnical Laboratory at Aalborg University. Tests were conducted with a relative density of 80 % in order to simulate offshore conditions where relative densities are relatively high. The purpose is to develop design diagrams, which can be used in order to estimate the undrained cyclic bearing capacity of Frederikshavn Sand for an arbitrary stress level and cyclic loading condition. It is discovered that the governing parameters regarding the response is dependent on the stress path and insitu conditions; initial pore pressure, stress state and the combination of average and cyclic shear stresses.
Original languageEnglish
Place of PublicationAalborg
PublisherDepartment of Civil Engineering, Aalborg University
Number of pages12
Publication statusPublished - 2012
SeriesDCE Technical Memorandum


  • Cyclic Loading
  • Cyclic Triaxial Tests
  • Pore Pressure
  • Stress States


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