Indicative design of curved bridge with south shore navigation channel. hdwallpapers.in The project manager in the Norwegian Public Roads Administration, Olav Ellevsen said that it is technologically possible to build a bridge there and they need some more time to collect basic data with regard to wind and current conditions in the area. The bridge across over Bjørnafjorden is part of the E39 project that will link Bergen, Stord, Haugesund and Stavanger. [20], The bridge was officially opened by King Harald V on 22 September 1994. The bridge will have spans of up to 800 meters between each float. The ferry ride, which takes about 40 minutes, will only take 11 minutes by car when the ferry is replaced by a floating bridge.eval(ez_write_tag([[580,400],'norwaytoday_info-medrectangle-4','ezslot_1',111,'0','0'])); – The whole region will gain from connecting these two cities according to Signe Eikenes and Kjell Håvard Belsvik from The Norwegian Public Roads Administration (NPRA). Vertical pretension rock anchors have also been installed, with 12 at Klauvaskallen and 14 at Flatøy, giving 42 and 44 meganewtons (9,400,000 and 9,900,000 lbf) of support, although they were only built to increase the safety factor. [8] Both Oslo District Court and Eidsivating Court of Appeal concluded that the tolls were legal, and the issue was rejected by the Supreme Court. eval(ez_write_tag([[250,250],'norwaytoday_info-large-mobile-banner-2','ezslot_9',117,'0','0'])); As many as seven out of ten Norwegian municipalities have considered, planned, or implemented cuts in municipal services in their budgets for next year. [14], Detailed planning started in March 1990, and at first two technical methods for constructing the pontoon bridge were considered: a continuous concrete floating caisson between the abutments, and a steel version incorporating a truss bridge carrying concrete pontoons. [11], In 1972, discussion started with the plans to connect Meland, Flatøy and Lindøy with bridges. [2], The bridge is monitored by 132 sensors, including sensors on hatches to the pontoons, on doors to the steel box girder, for corrosion, strain gauges on the girder and on flexible elements, and weather information. [14], The construction of the tunnel also involved other investments in road infrastructure. Three suspension bridges and five floating bridges will be built. - Both groups have recommended a c-shaped floating bridge, says Øyvind Kongsvik Nedrebø, Chief Engineer in the Norwegian Public Roads Administration. It is 1,614 meters (5,295 ft) long, of which the pontoon section is 1,246 meters (4,088 ft) long. In the future when freight lorries will be run by electrical power, the emissions from road transport will surely be reduced. Municipal engineers started measuring currents in 1966. It is sometimes referred to as the Salhus Bridge. The construction involved 1,150,000 man-hours. A ferry-free crossing of The Bjørnafjord, south of Bergen and Rogfast (north of Stavanger) will be a catalyst for regional development and will be beneficial for both business and travel. Overall, the construction of the bridge used 24,000 tonnes (24,000 long tons; 26,000 short tons) of concrete, of which 10,000 tonnes (9,800 long tons; 11,000 short tons) in the pontoons. This was opposed by a group of locals, who brought the issue to the courts, claiming it to be illegal, as a bridge would never be built. This was passed by the Parliament of Norway in May 1975, and consisted of the Krossnessundet Bridge between Flatøy and Meland, which opened in November 1978. 18 Jun 18. World's first 'floating tunnel' proposed in Norway. The submerged roadway would help speed travel along the nation's rugged west coast. The Nordhordaland bridge consist of the world’s longest free floating bridge (1999), 1246m, and a high-level cable stayed bridge across the ship channel of 32 x 50m. They are longitudinally stiffened by trapezoidal stiffeners supported by cross frames at most every 4.5 meters (15 ft). Norway to Build World’s Longest Floating Bridge PHOTO: STATE ROADS ADMINISTRATION | The bridge can be built with large floating structures anchored to the seabed. – Without the Nordhordland Bridge, the Askøy bridge and the Sotra bridge, all connecting towns with Bergen, the towns nearby these bridges wouldn’t have experienced the growth they have had, says Belsvik.eval(ez_write_tag([[250,250],'norwaytoday_info-banner-1','ezslot_4',113,'0','0'])); The Sotra Bridge opened in 1971, and since the late 1980s, the capacity has reached its maximum, and the population of Sotra has increased from 23,000 in 1990 to about 35,000 today. Cost estimates were made based on the Golden Gate Bridge in the United States, but it proved too expensive for a suspension bridge crossing between Frekhaug and Salhus. World's first 'floating tunnel' proposed in Norway The submerged roadway would help speed travel along the nation's rugged west coast. Norway floating bridge drawing. The fjord end of the main span is supported by a 30-meter (98 ft) deep foundation, where the two bridges meet. Combined, the cables are 4,432 meters (14,541 ft) long; each cable consists of 67 to 230 twined cables, each with a 7-millimeter (0.28 in) diameter. This is designed in high strength light weight aggregate concrete (LWAC) and cantilevered from one H-shaped pylon founded on land. Both bridges are horizontally curved They supported the choice of a pontoon bridge. The Governor Albert D. Rossellini Bridge—Evergreen Point bridge (often called just the SR 520 bridge) in Seattle is the longest floating bridge on the planet. The cable stayed bridge has a main span of 172m. Located near Bergen, Norway, the Nordhordland Bridge consists of a free-floating bridge and a high level cable-stayed bridge. Building the world’s longest floating bridge on the E39. November 2018. The proposed plan for E39 Stord-Os aims to create a desirable societal development based on expanding the workforce and labour market along the E39. Bridges with high-strength concrete (FIP/CEB 1990) 1994; Hasselø 2001). [10] Prosjektering and Sverdrup & Parcel recommended a pontoon bridge with a movable section to allow passage of ship traffic. Norway’s highways authority has selected its preferred design concept for what will be the world’s longest floating bridge, over the 550-meter-deep Bjørna fjord south of Bergen. In Norway, two floating bridges for strait crossings were also built, where a 65 MPa type of lightweight concrete was typically used for the floating pontoons (Meaas et al. There were protests from the Salhus area, as the suspension bridge would have resulted in the demolishing of part of the residential area. World's first 'floating tunnel' proposed in Norway. ›1st floating bridge in Norway opened in 1992 › 931 m bridge with 8 spans › Steel truss girder and concrete pontoons › Typical span of 106m with 6m clearance › On the route E39, south of Kristiansund › Installed in one piece/operation › Designed using "recent" technology from American floating bridges and Norwegian offshore platforms Case study: The Bergsøysund Bridge. hdwallpapers.in The tender has been published for the geotechnical investigations needed for a planned record-breaking floating bridge across a wide and deep Norwegian fjord. The bridge is the second-longest in Norway, and the second pontoon bridge in Norway. We are aware that many find the crossing of Bjørnafjorden too expensive and that the money should be spent elsewhere. [23] In 2008, there were 19,700 travelers on the bridge each day, 14 percent of which used public transport. 18 Jun 18 Consultants sought for Bjornafjord floating bridge concept design [28], Standing Committee on Transport and Communications, Statens vegvesen – ÅDT nivå 1-punkt Hordaland, "Orthotropic Design Meets Cold Weather Challenges", https://en.wikipedia.org/w/index.php?title=Nordhordland_Bridge&oldid=995912753, Infobox mapframe without OSM relation ID on Wikidata, Articles containing Norwegian-language text, Creative Commons Attribution-ShareAlike License, This page was last edited on 23 December 2020, at 15:23. In 1967, a new proposal was launched, in which a seaway tunnel would be blasted out in the rock on the Bergen side. (Courtesy Norwegian Public Roads Administration, Vianova PT A/S and … It is 7,497 feet (2,285 meters), or 1.4 miles (metric), long and spans Lake Washington, letting vehicles pass to and from Seattle and Bellevue, Washington. Aas-Jakobsen, COWI and Multiconsult with Johs. The pontoon section is anchored only at both ends, on the underwater foundation at Kauvaskallen and on Flatøy. [27] Among the projects is a new four-lane Nyborg Tunnel which will shorten the distance of E39 from the bridge with the motorway at Nyborg in Bergen. Following the removal of the tolls, the ADT increased from 9912 in 2005 to 12,249 in 2006. For the crossing of the great fjord -- 3.7 kilometres (2.2 miles) wide and 1,300 metres (4,265 feet) deep -- a complex system is planned that combines bridges and tunnels. The floating bridge will be more than five kilometers long and will cross the 550 meter deep Bjørnafjord between Tysnes in the south and Os in the north. The floating section is a steel box girder bridge with ten pontoons, which because of the fjord's depth are not laterally anchored. The viaduct weighs 1,600 tonnes (1,600 long tons; 1,800 short tons) and has a gradient of 5.7 degrees. The Public Roads Administration was sentenced to pay NOK 34 million to Kværner. Norway is building the world's first submerged floating tunnel to cross the fjords. The NPRA builds safe roads for the future, and the Coastal Highway Route E39-project is not only about crossing the extreme fjords, but it is also about improving the road standard on the full stretch of the 1100 kilometres long road between Kristiansand and Trondheim. This is one of the most important factors behind the Norwegian Storting’s decision to prioritize building an improved and ferry-free coastal highway route. A floating suspension bridge is proposed to cross Norway's Bjornafjord. The cable-stayed bridge consists of a 99.3-meter (326 ft) tall H-pylon with a foundation at Klauvaneset on the mainland of Bergen. The world’s first floating bridge to be built using concrete pontoons, it was designed by engineer Homer Hadley, and constructed by the Puget Sound Bridge and Dredging Co., at a price tag of $9 million. Seven out of ten Norwegian municipalities plan to cut their budgets for 2021, Sports journalists in Norway award annual prize to Erling Braut Haaland, Residents at a nursing home in Oslo infected with coronavirus by visitors, Dalmatian dog reunited with owners after being rescued from Gjerdrum landslide, Tønsberg: Several people injured in violent incident, one Eastern European man hospitalized, The Bridge across Bjørnefjorden. Norway, which already boasts two of the world's longest floating bridges, is the one country most actively studying new pontoon bridge projects. The plaintiff appealed to case to the Supreme Court, who unanimously confirmed the ruling of Gulating Court of Appeal. From there and for 414 meters (1,358 ft), the roadwall has a 5.7 percent gradient on a viaduct anchored to the pontoon bridge. Building the world’s longest floating bridge on the E39 Aas-Jakobsen, COWI and Multiconsult with Johs. However, the court's decision was not unanimous. – Correspondingly, we know that a permanent bridge will give shorter travel times and hence will be profitable. This website uses cookies. [6] A plan was launched whereby all traffic from Nordhordland would be collected in one place and transported across Salhusfjorden to Åsane. Holt. Consultants sought for Bjornafjord floating bridge concept design. Both sides appealed to Gulating Court of Appeal, which on 18 February 1998 refuted all of Kværner's claim regarding the steel boxes, and sentenced the administration to pay NOK 7.5 million. There are plans to reinstate a toll on the bridge from 2013 to finance other road projects. The floating bridge consists of a large tube string under 100 feet of water, and each one will be broad enough for two lanes of traffic. It consists of spans between 18 and 33 meters (59 and 108 ft), with the roadway also built as an orthotropic deck with 12-millimeter (0.47 in) thick plates. The pontoons are between 7.0 and 8.6 meters (23.0 and 28.2 ft) in height. [17], The contract for construction of the pontoon bridge was awarded in August 1991 to a consortium, Arbeidsfellesskapet Salhus Bru, which consisted of Norwegian Contractors, Aker Entreprenør, Veidekke and Kværner Eureka. Total costs, including auxiliary roads, was NOK 910 million. This is a hugely desirable development for most people who live in the region. Architects were Hindhammer–Sundt–Thomassen, Lund & Løvseth, and Lund & Slaatto. The girder has an octagonal shape and is made with 14-to-20-millimeter (0.55 to 0.79 in) thick steel plates. The clearance under the girder is 5.5 meters (18 ft). An illustration shows what a potential underwater floating tunnel, with tubes for traffic going both ways, would look like in Norway. [2], Design of the bridge was awarded to Aas-Jakobsen and Det Norske Veritas, the former who also performed dynamic analysis and structural engineering. The tolls will first be set to NOK 20 for five years, and then after the completion of the first stage, the toll will be NOK 40 for fifteen years. Svein Erik Jakobsen from Aas-Jakobsen will be project manager for the project group. This is an area of high export-oriented industry, where all cost-reducing measures for business activities will help to strengthen the competitiveness of the entire region, explains Belsvik. An illustration shows what a potential underwater floating tunnel, with tubes for traffic going both ways, would look like in Norway. – We have the necessary knowledge to realize the goal of expanding and strengthening the settlement and labour markets along the West Coast, they conclude. Both bridges were partially financed with tolls. By doing so, it aims to provide international readers with valuable insight on all things and issues (primarily but not exclusively) Norwegian, written in the English language. [2], There are ten lightweight concrete pontoons, with 113.25-meter (371.6 ft) spans between them. Norway tenders geotech survey for Bjørnafjord bridge. Engineers are currently eyeing one of Norway’s most famous fjords, Sognefjord, as their test case. They can be tightened at the connection with the roadwall. Posted By: Victoria Garza 12. Boknafjorden is considered by far the most exposed western fjord on the E39. The contents on Norway Today’s site are copyrighted. The distance between the cables is 12.00 meters (39.37 ft) on the main span, and 9.33 meters (30.6 ft) on the viaduct. ... It’s not a radically new concept: an idea for a floating bridge was proposed along the English Channel back in 1882, although it was vetoed. It is fastened using flexible plate connections fastened by bolts and cables under tension. Ferry-free highway. This allows for a cl… Protests were also raised against the use of a pontoon bridge, as it would limit the vessel size and thus the commercial development in the inner parts of the fjord. The intersection on Flatøy was also built as a bus interchange, and became the terminus of many bus routes in Nordhordland. The bridge was financed with NOK 41 million in state grants, NOK 139 million from tolls paid in advance, and NOK 730 million in debt which would be repaid by the tolls. The cable-stayed section consists of a single 99-meter (325 ft) tall H-pylon which has a length of 368 meters (1,207 ft) and a main span of 172 meters (564 ft). For cantilever bridges, the use of normal weight or lightweight concrete was sometimes varied from one span to another. For extra stability, the bridge-tunnel may also be bolted to the bedrock below. The concept investigation will be the basis for the Norwegian Road Safety Authority’s final decision on the choice of bridge solutions.eval(ez_write_tag([[580,400],'norwaytoday_info-medrectangle-3','ezslot_0',110,'0','0'])); “In such a project there is no standard solution, and we have established a group of highly experienced experts in the field of transportation and bridges, offshore and marine activities in partnership with partners. The free-floating bridge has the longest laterally-unsupported span in the world. Plans for a bridge had existed since the 1960s, and after the decision to construct the bridge was passed by the Parliament of Norway in 1989, construction started in 1991. The government's solution is to build a bridge that would float on pontoons that would be connected to the fjord's silted seabed with suction anchors. The first known proposal was in 1886 by UK naval architect Sir James Edward Reed. The bridge was coated with 40,000 litres (8,800 imp gal; 11,000 US gal) of paint. For extra stability, the bridge-tunnel may also be bolted to the bedrock below. The Bjørnafjord Bridge, located south of Bergen, takes its cue from the bridge over the Sognefjord, Norway's largest fjord. Express buses would from there run directly to the city center of Bergen. This ambitious line of bridges … The Nordhordland Bridge (Norwegian: Nordhordlandsbrua) is a combined cable-stayed and pontoon bridge which crosses Salhusfjorden between Klauvaneset (in Bergen Municipality) and the island of Flatøy (in Alver Municipality) in Vestland county, Norway. It relies on a pontoon-based design with no mooring to the seabed; and it is the second longest in the world of its kind. Kværner felt that the Public Roads Administration should bear the extra costs, demanding NOK 108 million in compensation, but the administration denied this, resulting in a lawsuit. This is designed in high strength light weight aggregate concrete (LWAC) and cantilevered from one H-shaped pylon founded on land. Norway Today delivers independent and timely reporting on Norway, Scandinavia, and the world to international audiences. The Nordhordaland bridge consist of the world’s longest free floating bridge (1999), 1246m, and a high-level cable stayed bridge across the ship channel of 32 x 50m. [2], The use of high-strength steel caused problems as it was necessary to heat the steel to 150 °C (302 °F) before and after welding, and Kværner had problems finding an adequate process during late 1992. The cable-stayed bridge allows for a sailing channel which is 32 meters (105 ft) tall and 50 meters (160 ft) wide. Belsvik points out that Bergen will benefit greatly from value creation in the demolishing of part of main. Ways, would look like in Norway the fares would be kept the same time it. 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