A segmental bridge is a bridge built in short sections (called segments), i.e., one piece at a time, as opposed to traditional methods that build a bridge in very large sections. The bridge is made of concrete that is either cast-in-place (constructed fully in its final location) or precast concrete (built at another location and then transported to their final location for placement in the full structure).
12-472: The Linn Cove Viaduct is a 1,243-foot-long (379 m), concrete segmental bridge which snakes around Grandfather Mountain in western North Carolina . Completed in 1983 at a cost of $ 10 million, it was one of the last major construction projects on the Blue Ridge Parkway which runs 469 miles (755 km) linking Shenandoah National Park to Great Smoky Mountains National Park . Built mostly along
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36-414: The 1984 President's Design Award, which states, "... construction of the roadway by pre-cast, segmental concrete elements set from above on segmental piers is elegant, economical, and new… results in an elegant curving ribbon that caresses the terrain without using it as a support. It gives the motorist the sensation of driving tantalizing on air while the earth goes by." The National Park Service operates
48-627: The Linn Cove Visitor Center at the viaduct's south end which also features a bridge museum and provides access to the Tanawha Trail which runs from Beacon Heights to Julian Price Memorial Park . Segmental bridge These bridges are very economical for long spans (more than 100 metres or 330 feet), especially when access to the construction site is restricted. They are also chosen for their aesthetic appeal. The first cantilevered segmental cast-in-place concrete bridge, built in 1930,
60-507: The North American continent. Conservationists who hoped to preserve the area as a mountain park/recreation area were behind the viaduct concept as they stressed the danger of irreparable damage by lumbering and other exploitation, along with the need to preserve the view of the mountain as it then existed. By 1966, the parkway was essentially complete except for the 7.7-mile (12.4 km) section that circled around Grandfather Mountain despite
72-414: The concerted efforts of the government to acquire the needed property, a task which eventually took 40 years. The viaduct was designed by Figg and Muller Engineers, Inc., with construction beginning in 1979. Some 1,243 feet (379 m) long and a little less than 40 feet (12 m) wide, the viaduct rests on seven piers. What made its construction noteworthy was keeping heavy construction equipment off
84-917: The 💕 Look for Ulrich Finsterwalder on one of Misplaced Pages's sister projects : [REDACTED] Wiktionary (dictionary) [REDACTED] Wikibooks (textbooks) [REDACTED] Wikiquote (quotations) [REDACTED] Wikisource (library) [REDACTED] Wikiversity (learning resources) [REDACTED] Commons (media) [REDACTED] Wikivoyage (travel guide) [REDACTED] Wikinews (news source) [REDACTED] Wikidata (linked database) [REDACTED] Wikispecies (species directory) Misplaced Pages does not have an article with this exact name. Please search for Ulrich Finsterwalder in Misplaced Pages to check for alternative titles or spellings. You need to log in or create an account and be autoconfirmed to create new articles. Alternatively, you can use
96-445: The ground. This included the preliminary geotechnical exploration/evaluation work begun in 1975 where crews hiked to the site and drilling equipment was lowered to each bore-hole location by helicopter. Building the bridge from its south side, this was done by connecting 153 segments one at a time using a custom crane that moved along the viaduct as it was being built. Each segment, nominally 8.5 feet (2.6 m) long and weighing 50 tons,
108-531: The spine of the Blue Ridge , the parkway was fully completed and opened for through traffic in 1987. Construction of the parkway began in 1935 with the initial plan calling for a viaduct given the effects that a traditional cut-and-fill road would have on Grandfather Mountain. Towering almost 6,000 feet (1,800 m), this mountain is the most rugged peak on the Blue Ridge and geologically the most ancient mountain on
120-535: Was Ponte Emílio Baumgart [ de ] across Rio do Peixe in the state of Santa Catarina of Brazil . It was followed in 1951 by the prestressed concrete bridge across the Lahn River in Balduinstein, Germany [ de ] , the first of many cantilevered bridges designed by Ulrich Finsterwalder [ de ] . The first prestressed concrete bridge, assembled by several precast elements,
132-407: Was precast at a facility onsite and moved on a carriage to the crane. All but one of these segments were slightly curved as the viaduct needed to be shaped in a "S-and-a-half" figure to follow the contours of the mountain. The only work done on the ground involved drilling the footings for the piers which also were built in a segmental manner. The viaduct has received numerous design awards to include
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#1732851864288144-583: Was the Pont de Luzancy [ fr ] across the river Marne in France , built according to the design by Eugène Freyssinet and commenced in 1940, but due to the war, completed only in 1946. The sequence of construction is similar to traditional concrete bridge building, i.e., build the support towers (columns), build the temporary falsework , build the deck, perform finish work. The principal differences are as follows: Ulrich Finsterwalder From Misplaced Pages,
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