Blar i NGI report på utgivelsesdato
Viser treff 181-197 av 197
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Måling av injeksjonsresultat med vanntapsmålinger i tunnel
(NGI-rapport;20200436-05-R, Research report, 2022-12-23)Forsøk ved Fornebubanens hovedtunnel har demonstrert at vanntapsmålinger ved stuff kan gjøres enkelt og effektivt, med bruk av lett utstyr. Vanntapsmålingene viser lavt vanntap og meget tett bergmasse etter 2-stegs injeksjon ... -
REMEDY - et BegrensSkade prosjekt. Sluttrapport
(NGI-rapport;20170774-01-R, Report, 2023)BegrensSkade-prosjektene har vært bransjeomfattende forskningsprosjekt finansiert av Norges forskningsråd samt private aktører i byggenæringen. Det første BegrensSkade prosjektet startet i 2012, og med avslutningen av ... -
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 ... -
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 - 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 ... -
NAKSIN 4 - dokumentasjon
(NGI-Rapport;20150457-02-R, Research report, 2023-05-15)NGI har på oppdrag av NVE utviklet en metodikk for å beregne Nye AktsomhetsKart for Snøskred I Norge (NAKSIN). Bakgrunnen var at eksisterende aktsomhetskart fra 2010 var for konservative i mange områder da de ikke tar ... -
Research Plan 2023–2025
(NGI-Rapport;20230100-01-R, Research report, 2023-05-19)Snow avalanches are a frequent and significant natural hazard in Norway. Each year, avalanche events result in fatalities, evacuations, interruptions, and damage to infrastructure networks such as roads, railways, and ... -
Arbeidspakke 1: Forundersøkelser og løsmasseforhold i Malvik
(NGI-rapport;20210083-01-TN Rev. 1, Report, 2023-05-20)Hensikten med AP1 er å etablere et verktøy til Malvik kommune som kan vise områder i Malvik som egner seg til en mulig utnyttelse av grunnvarme. AP1 har som delmål å beskrive undersøkelsesmetoder/prosedyrer og parametere ... -
Container experiments yearly report 2022
(NGI-rapport;20200436-10-R, Research report, 2023-07-07)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 ... -
Pilotprosjektet på Saksvik
(NGI-rapport;20210083-01-R, Research report, 2023-07-31)Denne rapporten er en del av forskningsprosjektet Bærekraftig Energi fra løsmAsseR (BEAR) finansiert av Regionalt Forskningsfond Trøndelag via Regionalt hoved-prosjekt, prosjektnummer 321116. BEAR er en pilotstudie som ... -
Life cycle analysis (LCA) and costs for energy storage in piles
(NGI-rapport;20210083-02-R, Research report, 2023-08-01) -
Environmental impact assessments of geotechnical works
(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 ... -
A Simple Model for the Variability of Release Area Size
(NGI-Rapport;20200017‐03‐TN, Research report, 2023-08-24)The hazard mapping tool NAKSIN estimates the release probability of potential release areas (PRAs) by testing a stability criterion based on the infinite-slope approximation with a large sample of synthetic weather situations. ... -
Outline of a Simple Model of Mixed Snow Avalanches
(NGI-Rapport;20200017‐10‐TN, Research report, 2023-08-24)This Note discusses a quasi-three-dimensional model of mixed snow avalanches that could replace the code MoT-Voellmy in NAKSIN. As a starting point, the two-layer model by Eglit is slightly simplified and extended from a ... -
APALI – Avalanche Probability Along Linear Infrastructure
(NGI-Rapport;20200431‐01‐TN, Research report, 2023-09-28)To secure linear infrastructure in the most cost-efficient manner, hazard hot-spots need to be known not only with regard to the intensity of possible events but also their probability. Traditional hazard mapping methods ... -
Applied Avalanche Research in Norway: Fonnbu 50-year celebration
(NGI-Rapport;20230100-02-R, Research report, 2023-11-10)NGI’s avalanche research station at Strynefjellet in western Norway was officially opened in October 1973, and in September 2023 NGI and the AARN project invited to a 3- day celebration in Stryn. The aim of the celebration ... -
WP 2 – Full-scale experiments at Ryggfonn Ryggfonn avalanche observations 2021/2022
(NGI-Rapport;20200017-11-TN, Research report, 2024-01-03)NGI is operating the avalanche test site at Ryggfonn in Stryn municipality, Vestland county, western Norway (61.969°N, 7.275°E) since the early 1980s. In addition to the field work and data collection in the framework of ...