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Verktøy for Risikohåndtering – Manual Norsk
(NGI-rapport;20170774-D5.2, Research report, 2019-09-08)Hensikten med verktøyet er å systematisk identifisere og vurdere risiko for uønskede hendelser. Risikomatrisen som genereres kan danne grunnlag for valg av anleggsmetoder og behov for avbøtende tiltak. Risikovurderingen ... -
Vibration induced damage due to construction work – Blasting tests
(NGI-rapport;20170774-D4.2, Research report, 2021-12-01)In this study, two instrumented blast test series were performed in a rock quarry in Norway. For the first test series, two buildings were erected, one made of Light Expanded Clay Aggregate (Leca) blocks, and one in ... -
Vibration induced damage due to construction work – Effect of vibrations on slope stability
(NGI-rapport;20170774-D4.3, Research report, 2019-08-29)A landslide-triggered tsunami caused extensive material damage at Statland, Norway in 2014. Other landslides in Sweden and US have also been triggered by man-made vibrations. To understand better how vibrations from vibratory ... -
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. -
Vær-, snø- og skredobservasjoner i Grasdalen. En sammenfatning
(NGI-rapport;58110 R, Research report, 1983-09-29)Observasjonene i Grasdalen gjøres på en mest mulig standardisert måte. Metodikken for værobservasjonene er henta fra Meteorologisk Institutts "Håndbok for meteorologiske observatører 1" og "Meteorologiske koder, synop". ... -
Weather stations in Norway suitable for SNOWPACK modelling in Norway in 2016
(NGI-rapport;20140053-04-TN, Research report, 2017-01-23)A physical SNOWPACK model developed by Swiss Federal Institute for Snow and Avalanche Research, SLF, requires following meteorological observations as input data1 for the model simulations: - air temperature (TA) - ... -
Wind simulations for use in local avalanche forecasting
(NGI-rapport;20170131-19-TN, Research report, 2020-06-26)Quantification of release probabilities in local avalanche forecasting are depending on knowledge of historical weather characteristics as well as detailed knowledge of the wind driven snow distribution on a fine scale. ... -
WP 2 – Full-scale experiments at Ryggfonn Ryggfonn avalanche observations 2019/2020
(NGI-Rapport;20200017-05-TN, Research report, 2021-03-22)NGI is operating the avalanche test site at Ryggfonn in Stryn municipality, Vestland county, western Norway (61.969°N, 7.275°E) since early 1980s. In addition to the field work and data collection in frame work of WP2, ... -
WP 2 – Full-scale experiments at Ryggfonn Ryggfonn avalanche observations 2020/2021
(NGI-rapport;20200017-06-TN, Research report, 2022-04-07)NGI continues to operate the avalanche test site at Ryggfonn in Stryn municipality, Vestland county, western Norway (61.969°N, 7.275°E). In addition to the field work and data collection performed in the context of WP2 – ... -
WP1 - Container experiments - Yearly report 2021
(NGI-rapport;20200436-09-R, Research report, 2023-05-08)Container experiments investigating leaching from alum shale under different conditions were started autumn 2020 as a part of the Under Oslo project at NGI (SP13). Furthermore, leaching from alum shale mixed with different ... -
WP1 - Mixed fractions of black shale and rhomb porphyry
(NGI-rapport;20200436-02-R, Research report, 2023-02-20)When taking out potentially acid-producing black shale in construction projects, rock masses are often unintentionally mixed with masses of other rocks. The acid-producing potential of such mixed masses is uncertain, and ... -
WP1 - Rhomb porphyry - data report
(NGI-rapport;20200436-08-R, Research report, 2021-12-22)Samples of rhomb porphyry have been characterized with chemical analyses and different leaching experiments (column, container and standard leaching tests) to study their composition and leaching properties. Results ... -
WP1 - Temporary storage of black shales – a compilation of case studies, experiences and overall conclusions
(NGI-rapport;20200436-03-R, Research report, 2023-01-09)As a part of the internal R&D project "Under Oslo" at NGI, several aspects of temporary storage of black shale has been investigated. Information from different experiments and cases of black shale storage from the ... -
Årsrapport [FoU Snøskred 2012]
(NGI-rapport;20120031-01-R, Research report, 2013-02-01)Rapporten beskriver aktivitetene som er gjennomført i 2012 innenfor FoU prosjektet ”Snøskred” finansiert gjennom NVE. Prosjektet er delt inn i 4 hovedområder: - Modellering - Varsling - Sikringstiltak, herunder ... -
Øysand research site: Geotechnical characterisation of deltaic sandy-silty soils
(NGI-rapport;20190154-09-R, Report, 2019-12-04)This paper describes the geology and geotechnical engineering properties of the fluvial and deltaic gravelly-sandy-silty sediments at Øysand, Norway. Geophysical and geotechnical site investigations carried out between ...