Browsing Norwegian Geotechnical Institute (NGI) Digital Archive by Author "Fjermestad, Halldis"

Now showing items 1-4 of 4

    • Container experiments yearly report 2022 

      Wærsted, Frøydis Meen; Hansen, Caroline Berge; Dublet-Adli, Gabrielle; Fjermestad, Halldis; Hagelia, Per (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 ...

    • Resistivity and chargeability survey for tunnel investigation: a case study on toxic black shale in Norway 

      Bazin, Sara; Lysdahl, Asgeir Olaf Kydland; Viezzoli, Andrea; Gunther, T; Anschütz, Helgard; Scheibz, Jürgen; Pfaffhuber, Andreas Aspmo; Radic, T; Fjermestad, Halldis (Journal article; Peer reviewed, 2017)
      In the past few years, the focus on Alum shale hazards and the need for efficient mapping tools have increased in Norway. Alum shale is highly toxic and poses a substantial obstacle to infrastructure development such as ...

    • Utfordringer med svarte leirskifere; mellomlagring og naturlige blandmasser 

      Wærsted, Frøydis Meen; Fjermestad, Halldis; Totland, Christian; Børresen, Marion; Slinde, Gøril Aasen; Hansen, Caroline Berge; Tønnessen, Elisabeth; Hagelia, Per; Erstad, Lars; Baardvik, Gunvor (Chapter, 2022)
      Det er planlagt flere store byggeprosjekt i Oslo-regionen de neste årene. Dette vil resultere i utgraving av potensielt syredannende svart leirskifer i volumer som er større enn kapasiteten til godkjente deponier. NGI har ...

    • WP1 - Container experiments - Yearly report 2021 

      Wærsted, Frøydis Meen; Hansen, Caroline Berge Hansen; Fjermestad, Halldis; Hagelia, Per (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 ...