Beyond Predicting Stiffness of Disturbed Foundation

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


Tests were executed to analyze the behavior of disturbed foundation stiffness. Test results reveal a causal link between stiffness hysteresis loops and applied deformation amplitude. By manipulating the applied deformation amplitude, the size and position of stiffness hysteresis loops is plausible to control. The initial stiffness curve can be erased (disturbed) and reset afterwards. Also, cyclic stiffness curves of various size can be stabilized and repositioned. Such behavior is not predicted or accounted for by conventional models.
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
PublisherInternational Society of Offshore & Polar Engineers
Publication date2019
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


ConferenceThe International Society of Offshore and Polar Engineers 2019
CountryUnited States
CityHonolulu, Hawaii
SeriesProceedings of the International Offshore and Polar Engineering Conference


  • Geotechnics
  • Foundation design
  • Disturbed soil
  • Dynamic stiffness
  • Prototype testing
  • Mono bucket
  • Strain space

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