Blar i Norwegian Geotechnical Institute (NGI) Digital Archive på utgivelsesdato
Viser treff 61-80 av 1222
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Vær- og snøforhold samt skredsituasjoner vinterene 1974-75, 1975-76, 1976-77, 1977-78, 1978-79. Grasdalen, Stryn
(NGI-rapport;58000-03, Research report, 1985-12-27)En beskrivelse av værforholdene ved Garasdalen for vintersesongene fra desember 1974 til april 1979 er presentert i denne rapporten. En oversikt over skredaktiviteten i den samme perioden er også gitt. -
A synoptic climatology of major avalanche winters in Norway
(Journal article, 1986)A near continuous record of avalanche deaths in Norway is compiled for 130 years from 1855, and shows a distinct downward trend, but large variations from winter to winter, with a periodicity of 12–13 years. Twelve major ... -
Statistical and geometrical definition of snow avalanche runout
(Journal article, 1987)Two mathematical models for calculating the extreme avalanche runout from a fixed reference point on the path are presented and contrasted. The models are: (1) estimates of confidence limits on regression analyses of ... -
NVE Grasdalen snøforskning. Resultater av målinger på mast. Vinterene 1979 til 1986
(NGI-rapport;58110-04, Research report, 1987-05-04)Denne rapporten inneholder en kort beskrivelse av instrumenteringen på masten, de malte stålspenningene gjennom vinterene 1979 til 1986, de utregnede aksiallastene og bøyemomentene, samt en kort vurdering av resultatene. -
NVE Grasdalen snøforskning. Resultater av målinger på rør (0.42m dia). Vinterene 1979 til 1986
(Research report, 1987-07-01)Denne rapporten inneholder en kort beskrivelse av instrumenteringen på Røret, de malte stålspenningene gjennom vinterne 1979 til 1986, de Utregnede aksiallastene og bøyemomentene, samt en kort vurdering av resultatene. -
Resultater av målinger på mast vinteren 1986/87
(NGI-rapport;58110-06, Research report, 1987-10-01)Denne rapporten inneholder en kort beskrivelse av instrumenteringen på masten, de målte stålspenningene gjennom vinteren 1986/87, de utregnede aksiallastene og bøyemomentene, samt en kort vurdering av resultatene. -
The avalanche accident at Vassdalen, Norway, 5th March 1986
(Journal article, 1988)Shortly after 1300 hrs on wednesday March 5, 1986, a snow avalanche released from Storebalak, a mountain located at Vassdalen in Nordland county. The avalanche struck 31 men from the North Norway Brigade while they were ... -
Mangekanters bevegelse på skråplan
(NGI-rapport;58500-04, Research report, 1988-09-22)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 ... -
Dynamiske regnemodeller for steinskred
(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 ... -
Slushflow questionnaire
(NGI-rapport;58200-06, Research report, 1988-10-10)Questionnaires concerning slushflows were distributed globally. The purpose of the questionnaire was to determine the geographic distribution of slushflow activity as well as to collect information concerning most common ... -
Simulation of snow-avalanche flow in run-out zones.
(Journal article, 1989)The authors of this paper have previously, in 1987, outlined the development of a set of constitutive equations representing the behaviour of avalanching snow, and the resulting equations for fully developed steady shear ... -
Slush-flow questionnaire.
(Journal article, 1989)Questionnaires concerning slush flows were distributed globally. The purpose of the questionnaire was to determine the geographic distribution of slush-flow activity and also to collect information concerning the most ... -
Calculation of maximum snow-avalanche run-out distance by use of digital terrain models.
(Journal article, 1989)This paper discusses how maximum snow-avalanche run-out distance may be calculated by a combination of topographic parameters and use of a digital terrain model. Digitized maps are being made for extensive areas of Norway. ... -
Snow-creep pressure on masts
(Journal article, 1989)Snow-pressure measurements have been carried out on two masts at the NGI avalanche station in Grasdalen, western Norway. These two tubular masts have diameters of 0.22 and 0.42 m, respectively, and are situated on a 25° ... -
Snow creep pressure on mast constructions
(The International Snow Science Workshop (ISSW) Proceedings;, Chapter, 1990)In Norway snow-creep quite often causes damage on mast constructions on hillsides exposed to deep snow-cover. An extensive snow-creep measurement program has therefore been carried out for different constructions at NGI's ... -
Norwegian demands on avalanche safety - legislation, quality policy and judicial practice
(Lecture, 1991)The Building and Planning Act and the Working Environment Act both have demands concerning avalanche safety. The legal demands concerning avalanche safety were first established in the Building Act of 1924. The act was put ... -
Detaljer og forandringer i forbindelse med feltinstrumentering i Ryggfonn sesong 1990/91
(NGI-rapport;58120 Notat 1991-01-15, Research report, 1991-01-15)Detaljer og forandringer i forbindelse med feltinstrumentering i Ryggfonn sesong 1990/91 -
Stress analyses for numerical modelling of submarine flowslides
(NGI-Rapport;522090-10, Research report, 1991-04-05)This report is based on, and is a continuation of the NGI-report 522090-2 "An Approach to the Physics and the Modelling of Submarine Flows lides ", by Norem, Locat and Schieldrop (1989).Submarine flowslides are assumed to ... -
Activities of the Japanese-Norwegian collaboration on snow avalanche research, march 1991
(NGI-rapport;58120-23, Research report, 1991-08-01)The report gives a brief summary of the activities carried out by the Japanese - Norwegian collaboration on snow avalanche reasearch during the winter of 1990/19991. The research was mainly carried out in the Ryggfonn ... -
Estimating run-out distances for extreme snow avalanches
(Lecture, 1992)Lecture presented at the Universitè Européenne d'Eté. Neige et Avalanches, Chamonix 1992. Estimating the run-out distances for snow avalanches is an important task for land use planning in mountaneous areas. The practical ...