PROTECTION OF PARIS-ROME LINE AGAINST FALLING ROCKS

A cliffside of 10/1 200 cubic metres overhanging the Paris-Rome railway in the neighborhood of Aix-les-Bains was found to be so dangerous that it was decided to destroy it, with the interruption of traffic. Owing to the continued falling of rocks and in order to shorten the interruption of traffic, it was necessary to build a covered tunnel of 75 m in the area of the scree cone. Safety factors called for the prefabrication of seven elements of 0.70 built under shelter of the falling rocks and set up by shifting on a straight track. After the concreting of a raft, anchoring by means of pre-stressed ties in the solid rock, the railway traffic was re-established after 4 months of interruption. A slab covering the tunnel and extending on the side of the Lac du Bourget by means of an overhang will protect the national highway RN 491 which runs along the railway.

• Corporate Authors:

  Federation Nationale des Trav Publ & des Synd Aff

  6 Avenue Pierre Premier de Serbie
  Paris 16e,   France 
• Authors:
  • Lazerges, J
  • Cabrol, E
• Publication Date: 1973-10

Media Info

• Pagination: p. 25-29
• Serial:
  • Travaux
  • Issue Number: 463
  • Publisher: Federation Nationale des Trav Publ & des Synd Aff

Subject/Index Terms

• TRT Terms: Rockslides; Safety; Technology; Tunnels
• Geographic Terms: France
• Subject Areas: Bridges and other structures; Geotechnology; Railroads; Safety and Human Factors;

Filing Info

• Accession Number: 00051292
• Record Type: Publication
• Source Agency: Travaux
• Files: TRIS
• Created Date: Mar 18 1976 12:00AM