Blar i NTNU Open på forfatter "Halseth, Ragna Torås"
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Stability assesment of the headrace tunnel system at Brattset Hydropower Project
Halseth, Ragna Torås (Master thesis, 2018)Unlined high pressure tunnels and shafts are regarded as a Norwegian specialty in the hydropower industry. During the last 60 years, more than 4000 km of hydropower tunnels have been excavated, where most of the tunnels ...