Blar i Norwegian Geotechnical Institute (NGI) Digital Archive på dokumenttype "Research report"

Viser treff 41-60 av 158

    • Detaljer og forandringer i forbindelse med datainnsamlingssystemet i Ryggfonn 83/84 

      Kvisterøy, Terje (NGI-rapport;58120 Notat 1983-06-27, Research report, 1984)

    • Detaljer og forandringer i forbindelse med feltinstrumentering i Ryggfonn sesong 1990/91 

      Tronstad, Klaus (NGI-rapport;58120 Notat 1991-01-15, Research report, 1991-01-15)
      Detaljer og forandringer i forbindelse med feltinstrumentering i Ryggfonn sesong 1990/91

    • Dynamical Aspects of the 2017 Rigopiano Avalanch 

      Issler, Dieter (NGI-rapport;20170131-08-TN, Research report, 2019-01-21)
      Abstract: Data on the disastrous snow avalanche that occurred on 2017-01-18 at the spa hotel Rigopiano, municipality of Farindola in the Abruzzo region of central Italy, are analyzed in the present Technical Note in different ...

    • Dynamical Consistency Constraints on Entrainment and Deposition in Depth-Averaged Models of Snow Avalanches and Other Gravity Mass Flows 

      Issler, Dieter (NGI-rapport;20110112-00-1-TN, Research report, 2012-05-18)
      This paper discusses several issues related to the mathematical and physical formulation of entrainment in depth-averaged models of gravity mass flows (GMF) such as snow avalanches and landslides. (i) The relation between ...

    • Dynamiske regnemodeller for steinskred 

      Schieldrop, Bonsak (NGI-rapport;58500-03, Research report, 1988-09-26)
      NGI har en nasjonal forpliktelse til å drive forskning og rådgivningsarbeid innenfor fagfeltet skred. Aktuelle skredtyper er kvikkleireskred, andre løsmasseskred, snøskred og steinskred. Dette forskningsprosjektet berører ...

    • Dødsulykker i snøskred 2003-2013 

      Brattlien, Kjetil (NGI-rapport;20140053-02-R, Research report, 2016-09-02)
      Denne NGI-rapporten inneholder analyser av dødsulykker i snøskred i Norge i 10-årsperioden 2003-2013. Rapporten er utarbeidet innen prosjekt SP 4 FoU Snøskred 2014-2016.

    • 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 ...

    • 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 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 ...

    • Forprosjekt Ren Frier 

      Jonsson, Henrik; Staalstrøm, Andre; Eek, Espen; Norling, Magnus; Ruus, Anders; Dillinger, Benno (NIVA-rapport, Research report, 2024)
      Rapporten benytter simuleringer til å utrede bidraget som f.eks. skipstrafikk inkl. oppankringsaktivitet, har på spredning av dioksinforbindelser fra sjøbunnen i Frierfjorden, samt effekten av tiltak i havne- og ...

    • Framdriftsrapport Snøskredforskning. Rapporteringsperiode 1.8.2000 - 31.8.2001 

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