• 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 ...
    • Environmental impact assessments of geotechnical works 

      Størdal, Ingvild; Ritter, Stefan; Tann, Loretta von der (NGI-rapport;20200436-12-R, Research report, 2023-08-14)
      One of the major contributors to global carbon emissions is the construction sector. Using world environmental input-output tables from 2009, the total CO2-emissions from the global construction sector was calculated to ...
    • Estimating Avalanche Triggering Probability using meteorological and local terrain parameters through a fuzzy inference approach 

      Ragulina, Galina; Uzielli, Marco (NGI-rapport;20170131-12-TN, Research report, 2019-04-23)
      The aim of the present study is the quantitative estimation of snow avalanche triggering probability (ATP) for daily local forecasting purposes based on meteorological and local terrain factors. At present, ATP is indirectly ...
    • 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 ...
    • The EU CADZIE database for extreme and deflected snow avalanches 

      Domaas, Ulrik (NGI-rapport;20001289-01, Research report, 2001-09-05)
      ABSTRACT. The EU program CADZIE (Catastrophic Avalanches: Defence Structures and Zoning in Europe), was established after the catastrophic 1999 avalanche winter in Europe. The overall objective of the program is improved ...
    • EU Program CADZIE WP5. Norwegian zoning tools. 

      Domaas, Ulrik (NGI-rapport;20011001-02, Research report, 2001-04-20)
      In Work Package 5, Task 2 of the EU-Program CADZIE (Catastrophic Avalanches, Defence Structures and Zoning in Europe), each participating country will contribute to Deliverable D9: Pre-standardisation of zoning tools. The ...
    • EU program CADZIE. Road traffic and avalanches - methods for risk evaluation and risk management 

      Harbitz, Carl Bonnevie (NGI-rapport;20001289-04, Research report, 2003-05-22)
      This report covers current methods that may be used to analyse and manage risks related to avalanches and road traffic. Avalanche types considered are primarily snow avalanches and rockslides.
    • EU programme CADZIE. New concepts in avalanche hazard mapping 

      Harbitz, Carl Bonnevie (NGI-rapport;20001018-02, Research report, 2003-06-16)
      The main goal of the CADZIE workpackage 1 is to improve the hazard assessment process by integrating uncertainty and to develop "best-fit" models. This goal can only be achieved if both the stochastic characteristics of ...
    • EU Programme SAME. A survey of computational models for snow avalanche motion 

      Harbitz, Carl Bonnevie (NGI-rapport;58122-01, Research report, 1998-12-11)
      Various models for computation of avalanche motion are presented, both empirical procedures including statistical and comparative models for runout distance computations as well as dynamics models describing the physics ...
    • EU Programme SAME. Draft proposal for a co-ordinated European full-scale avalanche experiment 

      Harbitz, Carl Bonnevie (NGI-rapport;58122-02, Research report, 1998-12-11)
      The scope of this proposal is to describe the conclusions made in the EU programme SAME (Avalanche Mapping, Model Validation and Warning Systems) for a future co-ordinated European full-scale avalanche experiment. It is ...
    • Evalueringsrapport etter første testsesong 

      Kvistedal, Yme Asgeir (NGI-rapport;20140081-02-R, Research report, 2016-10-14)
      NGI har utviklet et nytt system for automatisk skredvarsling ved vei, basert på geofoner og trådløse sensornettverk. Dette systemet ble første gang testet vinteren 2015/2016 i Sandneslia, ved FV472 i Gildeskål kommune.I ...
    • Factual report - Halden research site 

      Carroll, Roselyn; Blaker, Øyvind; Paniagua, Priscilla (NGI-rapport;20160154-04-R Rev. 1, Report, 2020-01-06)
      Halden silt site is property of Halden municipality and it is known locally as Rødsparken. As part of the characterization of Halden silt site during NGTS project, two main reports are prepared: 1) a factual report ...
    • Factual Report - Permafrost Research Site 

      Gilbert, Graham; Instanes, Arne; Sinitsyn, Anatolii (NGI-rapport;20160154-06-R, Report, 2020-01-01)
      Two benchmark sites are established near Longyearbyen, Svalbard (78°13’N, 15°28’E) for long-term geotechnical testing and evaluation of field investigation methods in perennially frozen soils (i.e. permafrost). These sites, ...
    • Factual report - Øysand research site 

      Paniagua, Priscilla (NGI-rapport;20160154-08-R, Report, 2020-01-15)
      As part of the characterization of Øysand Sand site during NGTS project, two main reports are prepared: 1) a factual report (20160154-08-R) and 2) an interpretation report (20160154-09-R) (see figure in the next page). The ...
    • Feltarbeid snøradar 

      Anschütz, Helgard (NGI-rapport;20180070-01-TN, Research report, 2018-11-13)
      GBV-prosjektet 20180070 "snøegenskaper fra dronebaserte radarmålinger" er et delmål å innhente feltdata med GPR, både fra bakken og i luft. Radardata skal gi informasjon om snødybde, lagdeling i snø og snøegenskaper. Det ...
    • 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 ...
    • Field Survey of the 2017 Rigopiano Avalanche 

      Issler, Dieter (NGI-rapport;20170131-02-TN, Research report, 2019-12-26)
      In the evening of January 18, 2017, a large snow avalanche descended from the east flank of Monte Siella in the municipality of Farindola in the Abruzzo region of Italy. It completely destroyed the Hotel Rigopiano and ...
    • Field test of UAS to support avalanche monitoring 

      Frauenfelder, Regula; Salazar, Sean; Dahle, Halgeir; Humstad, Tore; Solbakken, Emil; McCormack, Edward; Kirkhus, Trine; Moore, Richard; Dupuy, Bastien; Lorand, Pauline (Statens vegvesens rapporter;873, Report, 2022-11-08)
      I mars/april 2022 gjennomførte Statens vegvesen, Norges geotekniske institutt og SINTEF en felttest med UAS med ulike instrumenter på forskningsstasjonen Fonnbu i Stryn. Formålet med testen var å evaluere bruken av ...
    • 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 ...
    • Framdriftsrapport Snøskredforskning. Rapporteringsperiode 1.8.2000 - 31.8.2001 

      Lied, Karstein (NGI-rapport;20011001-03, Research report, 2001-08-31)