Fast Forward

by Nigel Mends, P.E., (M.ASCE), Struct. Engr.; Montana Dept. of Transp., Helena, MT,

Serial Information: Civil Engineering—ASCE, 2001, Vol. 71, Issue 6, Pg. 46-51

Document Type: Feature article


Under the aegis of the French government, the Soci�t� Nationale des Chemins de Fer Fran�ais (French National Railway Society), or SNCF, has built two new bridges, each approximately 1,100 m long, to carry high-speed trains across the Rh�ne south of Avignon. These bridges consist of precast, presstressed and posttensioned segmental box sections in spans averaging 100 m. The bridges form part of a massive effort to extend the high-speed lines from Valence to Marseilles, a distance of 295 km. The overall project expended enormous effort to minimize the effects, both social and environmental, that the new line would have. This new rail link will allow travelers to make the trip from Paris to Marseilles in three hours.

Subject Headings: Railroad bridges | Railroad trains | Rail transportation | Bridges | Travel modes | Social factors | Project management

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