• Estimation of hysteretic soil damping from laboratory measurements including strain accumulation 

      Løvholt, Finn; Johansson, Jörgen (NGI Rapport;20110087-01-R, Research report, 2014-05-12)
      The periodic forces due to wind, surface waves and swells on offshore installations such as offshore wind turbines lead to cyclic motion of the soil foundation. The damping properties of soils account for a part of the ...
    • Foundation model 1 - 1D an 3D parallel coupled models 

      Skau, Kristoffer Skjolden (NGI Rapport;20150014-04-R, Report, 2017-01-20)
      The report presents a macro elements model developed to calculate p-y soil and foundation response during cyclic loading. The concept of parallel coupling of linear elastic perfectly plastic sub-models. One is model ...
    • Summary of the 1st International Workshop 23 – 24 November 2016 

      L'Heureux, Jean-Sébastien; Ozkul, Zeynep (NGI-rapport;20160154-15-R, Report, 2017-01-23)
      NGI and its partners, NTNU, SINTEF, UNIS and the Norwegian Public Roads Administration (NPRA), have received funding from The Research Council of Norway (RCN) to develop a new Norwegian GeoTest sites research infrastructure. ...
    • Project Execution Manual 

      L'Heureux, Jean-Sébastien; Strandvik, Stein Oddvar (NGI-rapport; 20160154-01-R Rev. 3, Report, 2017-08-23)
      This project execution manual should be used as a basis for all work performed as part of the Norwegian Geo-Test Sites project (NGTS). The project is based on the reviewed proposal submitted to The Research Council of ...
    • Effect of various storage times for a block sample. Experiences with sample tubes coated with a low friction polymer and a new piston sampler, all on Onsøy clay 

      Berre, Toralv (NGI Rapport;20170166-01-R, Report, 2017-11-08)
      This report contains the results of four CAUC triaxial tests, two being performed on block samples and two on 72 mm tube samples. The tests were all performed on plastic clay from Onsøy. The purpose with the block samples ...
    • Database og verktøy for prediksjon av anleggsvibrasjoner 

      Norén-Cosgriff, Karin; Dahl, Birgitte Misund (NGI Rapport;20170115-01-TN, Report, 2017-12-21)
      Formålet med GBV prosjektet "Database og verktøy for prediksjon av anleggsvibrasjoner" har vært å samle NGIs måledata for anleggsvibrasjoner, og med støtte fra måledata utvikle empiriske verktøy for beregning av ...
    • GEODIP's high-quality database: Clay 

      Gundersen, Aleksander Sæthereng; Paniagua, Priscilla (NGI Rapport;20150030-02-R Rev. 2, Report, 2018-01-17)
      The purpose of this report is to present GEODIP's high quality database for clay materials. The database integrates existing high quality data from block sampling in clay as well as supplementary data from research and ...
    • Remote Identification, Characterization and Monitoring of Erosional Processes 

      Salazar, Sean E.; Hormes, Anne; Issler, Dieter (NGI Rapport;20170031-03-R, Report, 2018-03-21)
      Remote sensing techniques and geophysical techniques have enabled the collection of vital information on geotechnical, hydrogeological, and environmental processes. These techniques may offer improvements over traditional ...
    • Deliverable D1.4. Rockfall and landslide warning system on the Raume Line 

      Kvistedal, Yme Asgeir (NGI Rapport;20160760-01-R, Research report; Report, 2018-04-14)
      A prototype rockfall and landslide warning system has been installed at a high frequent rockfall site on the Rauma line, north-western Norway. The system is based on a wireless microseismic sensor network, and uses a ...
    • Deliverable 1.1. Living Lab Co-Design Requirements Guiding Paper. Work Package 1: Co-design 

      Well, Lisa Van (NGI Rapport;20170408-01-R, Research report, 2018-05-16)
      The goal of this document is to outline the first practical steps and tasks in the Co-design process. As such, it provides guidelines for the EVOKED partners to begin the first phase of the Living Lab Process. It consists ...
    • 3D foundation model library 

      Løkke, Arnkjell; Page, Ana M.; Skau, Kristoffer S. (NGI Rapport;20150014-11-R, Report, 2018-11-07)
      The REDWIN project (REDucing cost of offshore WINd by integrated structural and geotechnical design) is a 4-year research project, funded primarily by the Research Council of Norway (NFR) through the ENERGIX program, ...
    • Deliverable 1.2. Climate services needs inventory. Work Package 1: Co-design 

      Ekeheien, Christina; Oen, Amy (NGI Rapport;20170408-04-R, Research report, 2019-01-18)

      D'Ignazio, Marco (NGI Rapport;20150014-13-R, Report, 2019-02-20)
      As part of the R&D project GEODIP-SP8, a multivariate high-quality database of sensitive clays consisting of laboratory strength and consolidation test results, index parameters and CPTU parameters was established. The ...
    • Deliverable 2.3. Template for communicating scientific information and results 

      Vollstedt, Bente; Tsakiris, Maureen; Koerth, Jana; Vafeidis, Athanasios T. (NGI Rapport;20170408-06-R Rev. 1, Report, 2019-09-09)
      In the framework of the EVOKED project scientific information on different types of potential climate-change impacts has been developed. The aim is to translate these climate data into valuable and useful climate services. ...
    • Halden research site - Site characterisation and engineering properties of Halden silt 

      Blaker, Øyvind (NGI-Rapport;20160154-05-R, Report, 2019-10-02)
      Halden silt site is property of Halden municipality and it is known locally as Rødsparken. As part of the fully characterization of Halden silt site during NGTS project, two main reports are prepared: 1) a factual report ...
    • Field and Laboratory Test Results from NGTS soft clay site – Onsøy 

      Gundersen, Aleksander S.; Hansen, Ragnhild C.; Bazin, Sarah; 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 ...
    • The Tiller – Flotten research site: Geotechnical characterization of a very sensitive clay deposit 

      L'Heureux, Jean-Sébastien; Lindgård, Anders; Emdal, Arnfinn (NGI-Rapport;20160154-20-R, Report, 2019-12-03)
      The Tiller-Flotten research site was developed through the Norwegian GeoTest site (NGTS) project. The site consists of a more than 50 m thick marine clay deposit. The top 7.5 m of the deposit shows a low to medium sensitivity, ...
    • Laboratory procedures and standards for the NGTS project 

      Hansen, Ragnhild Christin; Sjursen, Morten Andreas; El Hadj, Nouri; Sinitsyn, Anatoly; Instanes, Arne; Kvisvik, Karl Ivar Volden (NGI-Rapport;20160154-02-R, Report, 2019-12-03)
      This report gives an overview of the laboratory testing procedures used in the NGTS project.
    • Standardization of in situ tests and field work 

      Kåsin, Kristoffer; Kirkevolden, Ole Vidar; Instanes, Arne; Andersen, Espen; Sinitsyn, Anatoly; Bazin, Sarah; 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.
    • Characterization of two sites for geotechnical testing in permafrost: Longyearbyen, Svalbard 

      Gilbert, Graham; Instanes, Arne; Sinitsyn, Anatoly; Aalberg, Arne (NGI-Rapport;20160154-07-R, Report, 2019-12-04)
      The mean annual air temperature in Svalbard has increased between 3 °C and 5 °C during the last 40 to 50 years. The continuous warming trend observed in Svalbard during the last 30 years has raised concerns about the ...