Container experiments yearly report 2022

Container experiments yearly report 2022

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 amounts of rhomb porphyry was investigated, giving a total of 14 containers....

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Veröffentlicht in:NGI-rapport 2023
Hauptverfasser: Wærsted, Frøydis Meen, Hansen, Caroline Berge, Dublet-Adli, Gabrielle, Fjermestad, Halldis, Hagelia, Per
Format: Report
Sprache:eng
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Zusammenfassung: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 amounts of rhomb porphyry was investigated, giving a total of 14 containers. The black shale in these containers were taken out from a road cut by E16 at Kleggerud autumn 2020. Additionally, 5 containers set up by the Norwegian Public Road Authorities (Statens vegvesen, SVV) in 2014 and 2015 to investigate leaching from alum shale and Galgeberg shale originating from the construction of the tunnel at Gran, Rv. 4, were taken over by NGI and measurements of leachate quality were resumed in November 2020. Autumn 2021 another two containers from SVV were taken over by NGI.