Blar i NTNU Open på forfatter "Anschütz, Helgard"
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AEM in norway: A review of the coverage, applications and the state of technology
Harrison, Edward J.; Baranwal, Vikas Chand; Pfaffhuber, Andreas Aspmo; Christensen, Craig; Skudal, Guro H.; Rønning, Jan Steinar; Anschütz, Helgard; Brönner, Marco (Peer reviewed; Journal article, 2021)From the first use of airborne electromagnetic (AEM) systems for remote sensing in the 1950s, AEM data acquisition, processing and inversion technology have rapidly developed. Once used extensively for mineral exploration ... -
Case study of crosshole GPR tomography for grouting distribution in rock fractures
Bazin, Sara; Kvistedal, Yme Asgeir; Anschütz, Helgard; Tunbridge, Lloyd; Jankowski, Pawel; Fannian, K.; Strømsvik, Helene; Grøv, Eivind (Chapter, 2018)The Nordic method for tunnelling consists of drill and blast, pre-grouting and rock support adapted to the geologic conditions. Extensive use of pre-grouting is normally applied to limit water leakage. The injection is ...