Blar i Norwegian Geotechnical Institute (NGI) Digital Archive på forfatter "Langeland, Henrik"

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    • Annual Report 2020 

      Gauer, Peter; Salazar, Sean; Robinson, Kate; Issler, Dieter; Frauenfelder, Regula; Langeland, Henrik; Liu, Zhongqiang; Domaas, Ulrik; Jaedicke, Christian; Gilbert, Graham (NGI-Rapport;20200017-02-R, Research report, 2021-03-19)
      During the first year of the project period 2020-2022 of NGIs research project on Snow avalanches, Applied Avalanche Research in Norway (AARN), work was conducted in all three work packages (WP 1 – Avalanche formation and ...

    • Data report core logging KH-02-2017 

      Langeland, Henrik (NGI-Rapport;20180662-02-R, Report, 2019-01-18)
      KH-02-17 is a core drilled bore hole in the upper section of the Åknes rock slope. The bore hole is 300 meter deep, and was core drilled during September-October in 2017. Geodrilling AS performed the core drilling on ...

    • Data report core logging KH-02-2018 

      Langeland, Henrik (NGI-Rapport;20180662-04-R Rev. 1, Report, 2019-02-04)

    • Datareport corelogging KH-01-2017 

      Langeland, Henrik (NGI-Rapport;20180662-01-R, Report, 2018-11-29)

    • Datareport corelogging KH-01-2018 

      Langeland, Henrik (NGI-Rapport;20180662-03-R, Report, 2019-02-11)
      KH-01-18 is a core drilled bore hole at the west flank in the Åknes rock slope. The bore hole is 222.6 meter deep, and was core drilled during July to August 2018. Geodrilling AS performed the core drilling on assignment ...

    • Hydrogeological report 

      Holmøy, Kristin Hilde; Bjørnarå, Tore Ingvald; Shabanimashcool, Mahdi; Langeland, Henrik (NGI-Rapport;20180662-06-R Rev. 1, Report, 2021-01-14)
      NGI is engaged by Norwegian water resources and energy directorate (NVE) to carry out stability analysis of the Åknes rock slide. This report is presenting and analysing the most important investigations and monitoring, ...

    • Ingeniørgeologiske vurderinger og kostnadsestimat for tunnelalternativ 

      Langeland, Henrik; Holmøy, Kristin Hilde; Gjengedal, Sondre; Ask, Kjetil (NGI-Rapport;20180662-08-R, Report, 2020-12-21)
      NGI er engasjert av NVE for å foreslå hvordan man kan bygge en dreneringstunnel med mål om å drenere Åknes fjellside. Hovedmålet er å foreslå forslag til konsept, og deretter utføre et kostnadsestimat. I foreliggende ...

    • Input to data report on hydraulic investigations in boreholes - from 2017 and 2018 

      Langeland, Henrik (NGI-Rapport;20180662-01-TN Rev. 1, Report, 2020-03-27)
      This technical note is revised and include a summary of methodology and results from packer tests in 2017 and 2018 boreholes. The packer tests were performed with both single step pressure tests and 5 step pressure ...

    • Monitoring of displacements in the Åknes rock slope 

      Shabanimashcool, Mahdi; Langeland, Henrik; Holmøy, Kristin Hilde (NGI-Rapport;20180662-05-R, Report, 2020-06-11)

    • WP 2 – Full-scale experiments at Ryggfonn Ryggfonn avalanche observations 2019/2020 

      Gauer, Peter; Langeland, Henrik (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 

      Gauer, Peter; Langeland, Henrik; Salazar, Sean; Kristensen, Krister (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 – ...