• Field and Laboratory Test Results from NGTS soft clay site – Onsøy 

      Gundersen, Aleksander S.; Hansen, Ragnhild C.; Bazin, Sara; Forsberg, Cathinka S. (NGI-rapport;20160154-10-R, Report, 2019-12-02)
      In 2017, the Norwegian GeoTest Sites (NGTS) project established five research sites, one of which is the new Onsøy soft clay site located close to Fredrikstad city. This report contains all results from field and laboratory ...
    • Impact of cone penetrometer type on measured CPTU parameters at 4 NGTS sites. Silt, soft clay, sand and quick clay 

      Gundersen, Aleksander S.; Lindgård, Anders; Lunne, Tom (NGI-rapport;20160154-21-R, Report, 2020-01-08)
      Using cone penetrometers from different manufacturers may yield different results even if the equipment complies with international standards. This report presents a study on differences in CPTU test results as function ...
    • Interpretation report Onsøy 

      Gundersen, Aleksander S.; Hansen, Ragnhild C. (NGI-rapport;20160154-11-R, Report, 2019-12-05)
      This report includes a paper published 29 August 2019 in AIMS Geosciences 5, pages 665-703, with the title "Characterization and engineering properties of the NGTS Onsøy soft clay site".
    • Standardization of in situ tests and field work 

      Kåsin, Kristoffer; Kirkevolden, Ole Vidar; Instanes, Arne; Andersen, Espen; Sinitsyn, Anatoly; Bazin, Sara; Lysdahl, Asgeir Kydland; Gundersen, Aleksander S. (NGI-rapport;20160154-03-R, Report, 2019-12-04)
      This report presents a brief overview of standards for in situ tests and field work carried out within the NGTS project.