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Estimation of hysteretic soil damping from laboratory measurements including strain accumulation
(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
(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.
(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
(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
(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
(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
(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
(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
(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
(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
(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
(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
(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
(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
(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
(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
(NGI-rapport;20011001-03, Research report, 2001-08-31) -
Framdriftsrapport. SIP Snøskredforskning. Rapporteringsperiode 1.8.1999 - 31.8.2000.
(NGI-rapport;58900-04 (B), Research report, 2000-08-31) -
Framdriftsrapport. Snøskredforskning. Rapporteringsperiode 1.8.2001 - 31.9.2002
(NGI-rapport;20021083-01, Research report, 2002-09-11) -
Fundamentering og bygging i alunskifer
(NGI-rapport;20160090-01-R, Research report, 2016-12-21)Svarte leirskifre i Oslofelet er dannet av sedimenter avsatt i oksygenfattige (anaerobe) miljø i de geologiske tidsperiodene Kambrium til Silur. Tungmetaller inkludert uran, anrikes i bunnsedimenter under anaerobe forhold ...