Browsing Norwegian Geotechnical Institute (NGI) Digital Archive by Author "Stein, Eivind"

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Analysis of water ingress, grouting effort, and pore pressure reduction caused by hard rock tunnels in the Oslo region

Langford, Jenny; Holmøy, Kristin; Hansen, Tom Frode; Holter, Karl Gunnar; Stein, Eivind (Peer reviewed; Journal article, 2022)
Måling av injeksjonsresultat med vanntapsmålinger i tunnel

Stein, Eivind (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 ...
Time series modelling: applications for groundwater control in urban tunnelling

Stein, Eivind; Langford, Jenny; Kahlström, Mats Johan (Peer reviewed; Journal article, 2023)

Water ingress to tunnels may result in pore pressure drawdown and consolidation settlements in areas above tunnels founded on soft soil deposits, potentially causing damage to buildings and infrastructure. To limit pore ...