Norway: Use of aliminum cabling caused corrosion in water-drippling Follo Line tunnel
...an interesting article over the Follobanen (Follo Line). The newspape...Tunnel (which makes most of the Follobanen) was a water-drippling tunnel...es. This was the reason why the Follobanen had been abruptly closed shor...-advarsler-naa-stenges-deler-av-follobanen-neste-aarNorway: Follobanen tunnel excavated ground may be contaminating the ground water
The TBM excavated mass was used in several places around Oslo. Only now the municipalities discover that it contains sulphate, potentially contaminating the ground water... https://www.bygg.no/tbm-masser-lagt-ut-flere-steder-avrenningsvann-kan-vaere-forurenset/1537422!/
cover tunnel photo by: Matt Brown from London, England / CC BY
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