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The Rocher de l'Escalade Viaduct, France

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The 64 km long Maurienne Motorway currently under construction will complete a highway link between Lyon, France, and Turin, Italy via the Frejus Tunnel, which was opened in 1980. The Arc River flows through the Maurienne valley, along with an existing main road and railway line. The new motorway is at the bottom of the valley. The viaduct at Rocher de l'Escalade crosses the river, the road and the railway at a significant skew. It has four spans, 55 + 64 + 64 + 56 m, for a total length of 239 m, with two piers in the riverbed and one between the road and the railway embankment. This viaduct is representative of the bridges for this motorway, although its largely straight layout is less complicated than most others.

Keywords: Abutments; Motorway viaducts; Piers; Rocher de l'Escalade Viaduct (France); Steel beams; Steel-concrete composite decks

Document Type: Research Article


Publication date: February 1, 1997

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    Structural Engineering International (SEI), the quarterly Journal of IABSE, published since 1991, is the leading international journal of structural engineering dealing with all types of structures and materials. SEI offers its readers a unique blend of short profiles on recent structures, and longer, in-depth technical articles on research, development, design, construction and maintenance. Articles are written by practicing engineers and academia from around the world and reflect the high standards of IABSE. IABSE Peer Review stamps are given to papers that have passed through a highly selective review process and demonstrate a significant contribution to the state of structural engineering knowledge.To recognise contributions of the highest quality, an Outstanding Paper Award is presented each year.

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