• A multidisciplinary study of shoreline landslides:From geological development to geohazard assessment in the bay of Trondheim, Mid-Norway 

      L'Heureux, Jean-Sébastien (Doktoravhandlinger ved NTNU, 1503-8181; 2009:143, Doctoral thesis, 2009)
      The periodic occurrence of landslides in near-shore environments is common worldwide and poses a constant threat to coastal communities. Multidisciplinary studies on a regional scale have shown to be fruitful in understanding ...
    • An evaluation of in situ measurement methods of K_0^´ in sensitive clays 

      Almarza Galdón, Beatriz María (Master thesis, 2020)
      The determination of the in situ stress state within the frame of any geotechnical problem is crucial. The coefficient of earth pressure at rest (K_0^') is an important parameter for numerical analysis and laboratory test ...
    • CPTU-detection of thin clay layers in sand: Results from calibration chamber tests 

      Skrede, Hallvard; Hammer, H.B.; Nordal, S.; L'Heureux, Jean-Sébastien (Chapter, 2022)
      The detection of thin clay layers (i.e. ≲ 20 cm) is challenging for all conventional geotechnical field investigations techniques, including high quality CPTU tests. During the last two years, a research program has been ...
    • Effect of the scatter between CPTU measured parameters in soil classification 

      Paniagua Lopez, Ana Priscilla; L'Heureux, Jean-Sébastien (Chapter, 2022)
      Using piezocones from different manufacturers may yield different results even if the equipment complies with international standards. This causes problems when soil investigation contractors, using different cones, operate ...
    • Effekten av hurtig vannsenking på løsmasseskråninger 

      Normann, Kristin Grinna (Master thesis, 2021)
      Hurtig vannsenking forekommer ofte i reservoarer og regulerte elver. Det skjer både i tilknytning til dambrudd og ved kontrollert senking av vannstanden. Dette har vist seg å føre til instabilitet i løsmasseskråninger som ...
    • Evaluation of sample disturbance of three Norwegian clays 

      Paniagua, P; L'Heureux, Jean-Sébastien; Carroll, Roselyn; Kåsin, Kristoffer; Sjursen, Morten Andreas; Amundsen, Helene A. (Chapter, 2017)
      The quality and reliability of laboratory test data in sensitive clay can significantly be affected by sample disturbance. In turn, sample disturbance may affect key design parameters such as compressibility, preconsolidation ...
    • Field and Laboratory Investigations to Evaluate the Coefficient of Earth Pressure at Rest - NGTS Flotten Quick Clay Test Site 

      Ofstad, Christian Strømme; Lindgård, Anders (Master thesis, 2017)
      The coefficient of earth pressure at rest is a key geotechnical parameter, required in almost any investigation of material behaviour. A review of literature on the in situ and laboratory determination of K0' has been ...
    • GIS-analyse av terrengendringer i kvikkleirefarlige områder med eksempler fra Trøndelag 

      Myhra, Gine (Master thesis, 2023)
      I Norge har det gått en rekke kvikkleireskred gjennom historien. Noen av disse har knapt vært merkbare, mens andre har fått katastrofale følger. Gjerdrumskredet i 2020 er et eksempel på det siste, da det resulterte i store ...
    • Large scale model testing of CPTU in sand 

      Eidem, Karina Trøan; Lindgaard, Kristian Werner (Master thesis, 2022)
      Feltundersøkelser er viktig innenfor geoteknisk prosjektering, og kan være uunværlig for å unngå jordskred. CPTU-testen er en viktig feltundersøkelse på grunn av at det er en metode som er enkel og tilgjengelig å bruke, i ...
    • Lessons learned from the 2015 Soerkjosen shoreline landslide in Norway 

      L'Heureux, Jean-Sébastien; Skotheim, Arne Åsmund; Emdal, Arnfinn; Lyche, Einar; Christensen, Stein Olav; Hellum, Øyvind S. (Chapter, 2017)
      Soft and partly sensitive clays along the fjords of northern Norway pose a challenge for infrastructure. Learning from failures is essential in providing guidelines for future geotechnical work in such areas. A shoreline ...
    • Norway's National GeoTest Site Research Infrastructure (NGTS) 

      L'Heureux, Jean-Sébastien; Lunne, Tom; Lacasse, Suzanne; Carroll, Roselyn; Strandvik, Stein Oddvar; Instanes, Arne; Sinitsyn, Anatoly; Degago, Samson Abate; Nordal, Steinar (Chapter, 2017)
      Benchmarking is a key to the reliability of the solutions in geotechnical engineering, both for testing and verifying innovative soil investigation methods and verifying and calibrating foundation solutions. NGI and its ...
    • Physical experiments on CPTU thin-layer effects of thin clay layers embedded in sand 

      Hammer, Hallvard Berner (Master thesis, 2020)
      CPTU er et utmerket verktøy for å karakterisere stratigrafi og målinger kan brukes til parametertolkning i homogene jordarter. Målinger i lagdelt jord med tynne lag, relativt til diameteren på sonden, vil påvirkes betydelig ...
    • Thin-layer detection from the cone resistance rate of change 

      Hammer, H. B.; Nordal, S.; L'Heureux, Jean-Sébastien; Skrede, Hallvard (Chapter, 2022)
      True determination of soil parameters for thin clay layers in sand or silts from CPTU measurements is challenging. Cone resistance in thin layers is influenced by the surrounding layers resulting in unrepresentative ...