Norway’s $47BN Coastal Highway | The B1M

the western coast of norway is home to some of the most dramatic landscapes on earth carved by glaciers throughout the ages some of these fuels stretch for 200 kilometers inland under over a kilometre deep the current convoluted travel routes through and around this terrain takes you along Norway’s 1,100 kilometer 683 mile ether t9 highway a road with a total journey time of 21 hours now the Norwegian government are working to improve access to services and residential and labor markets across the country’s western regions by embarking on the largest infrastructure projects in the nation’s history norway’s a 39 highway runs between Kristensen in the far south of the country and Trondheim in the north the route navigates its way across the fjord Network and features no fewer than seven ferry crossings the new coastal highway projects aims to eliminate the need for ferry services altogether by building a series of bridges and tunnels across through and under the landscape with many of the fields on the roots being too wide or too deep for conventional infrastructure to cross innovative new solutions are being investigated by the Norwegian public Rose administration Luke fast is the first in a series of crossings that will link the e39 connecting Stefania and Hal Gerson via a 27 kilometer 16 mile undersea tunnel this structure will reach depths of up to 390 meters below sea level making it the deepest as well as the longest undersea road tunnel in the world the rogue fast projects will in fact consists of two tunnels connected every 250 metres with emergency exits each tunnel will have a lay-by at 500 meter intervals along with telephone and surveillance cameras along the route the tunnel will also feature a mid route intersection with the island municipality of Cove ensuing creating an undersea tunnel junction and connecting the island with the Norwegian mainland with work begun in 2018 this element of the project is set to be completed by 2026 at a cost of two billion u.s.

Dollars while the rock fast works are already underway the scale of some other fuels is presenting the project team with extreme engineering challenges we own a fjord located to the south of bergen stands five kilometers wide and reaches depths of 600 meters to cross this challenging stretch of water a proposal has been put forward for a floating bridge anchored to the shore at both ends the Sula feud crossing has seen two possible solutions put forward the first is for a three tower suspension bridge with two of the bridges towers anchored on land and the third central tower anchored to the sea floor some 400 metres below the waterline an alternative proposal for a submerged floating tunnel would see two interconnected tubes running side by side tethered to the seabed using high-strength cables crossing the rondelle’s fraud will require a 16 kilometer undersea tunnel much like the rogue fast project from Olson to mid –scent followed by a two kilometre suspension bridge connecting onto molder by far the most complex and ambitious of all the coastal highway crossings is that at Sanya field also known as the king of the fjords Norway’s largest and deepest fjord is over kilometers wide and an incredible kilometers deep at its lowest point while these extreme distances pose their own challenges Engineers must also account for the high number of ships that enter the fjord on a regular basis any crossing must allow for a clear shipping lane that is at least 400 metres wide with 70 metres clearance above the water’s surface and at least 20 metres clearance into the depths to deliver this the project team are considering numerous different types of crossing for this field the first is a traditional suspension bridge with a 3,700 metre crossing such a structure would be almost double the length of the world’s current longest bridge and would require support towers at least 450 metres tall significantly eclipsing the 343 meter tall Millau Viaduct in France to become the world’s tallest bridge structure a floating bridge is also being considered however this structure would need to raise to allow ships to pass and achieving such a feature in a bridge that is only anchored to each shore line poses considerable engineering challenges that are yet to be overcome in a similar proposal to that found at Sula fjord a submerged floating tunnel is also being considered this proposal would differ slightly to his counterpart due to the extreme depth of Sony fueled rather than being tethered to the seabed the tunnels would be suspended from floating pontoons that would allow ships to pass overhead a hybrid proposal is also being considered combining a floating pontoon bridge with a portion of submerged floating tunnel that allows ships to pass whilst fixed bridges transferring into fixed tunnels is not an uncommon solution in waterways with high shipping traffic such as the link between Denmark and Sweden and the extensive Hong Kong to Macau crossing combining the two floating structures in this way would create the world’s first example of such a solution finally a proposal for a multi span cable-stayed bridge is under review this structure would feature for floating pylons tethered to the seafloor rather like oil rigs with safety and environmental considerations being of the utmost importance Norway’s vast coastal highway projects is set to become a new benchmark in engineering capabilities and a model for future infrastructure projects around the world if you enjoyed this video and would like to get more from the definitive video channel for construction subscribe to the b1m ….

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