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List of products by author: G. Gjæringen
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Factors affecting operation, maintenance and costs in subsea tunnels
Abstract: In Norway we now have 32 Subsea road tunnels, and more are to be built in the coming years. Up to now operation and maintenance cost has been underestimated. Partly because there has been a relatively low standard in the road tunnels in Norway, but also because of the new regulations given among others from the EU. Another parameter is that operation and maintenance cost has not been...
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Rehabilitation of Roadtunnels in Norway
Abstract: In Norway we now have more than 1100 road tunnels, and more are to be built in the coming years. Up to now operation and maintenance cost has been underestimated. Partly because there has been a relatively low standard in the road tunnels in Norway, but also because of the new regulations given among others from the EU. Another parameter is that operation and maintenance cost has not been taken...
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The Bjorøy tunnel – blasting on the seabed above the tunnel run ning through the “Bjorøyzone” (Jurassic sediments in...
Abstract: To improve navigational conditions in the fairway of Vatlestraumen, the Norwegian Coastal Administration was removing the underwater reef at Revskolten light. Revskolten reef is dredged to a depth of 14 metres, and it was removed 65.0000 cubic metres of rock from an area of 12.000 square metres. After construction work is completed, the new sailing width is increased to 250 metres. The...
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