ASPECTS OF THE CONSTRUCTION OF RAILWAY BRIDGES

QUELQUES ASPECTS DE LA CONSTRUCTION DES OUVRAGES D'ART FERROVIAIRES

The author describes the main techniques used to build structures under railway tracks opened to traffic. The main difficulty resides in the fact that railway traffic can only be stopped for a very short period of time. As it is not possible to drive sheet pile walls in the vicinity of railway traffic, timbering is the best method for supporting excavations. If timbering is carried out as construction progresses, excavating operations can be kept to a minimum, and the erection of a support for the tracks can be simplified. Another technique is to increase the length of the temporary platforms supporting the tracks, by shoring up a series of ancillary bridges on metal bents and excavating on a large scale without timbering. The latter method enables a high degree of mechanization to be reached but increases the cost of the operations. Once the abutments of the final structure are completed, it is possible to build the deck. An example of an underpass in Lausanne is given. /TRRL/

  • Corporate Authors:

    Imprimerie la Concorde

    Terreaux 29
    1000 Lausanne,   Switzerland 
  • Authors:
    • Matthey, B
  • Publication Date: 1976-4-1

Language

  • French

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 00157904
  • Record Type: Publication
  • Source Agency: Vereinigung Schweizerische Strassenfachleute (VSS)
  • Report/Paper Numbers: Analytic
  • Files: ITRD, TRIS
  • Created Date: Aug 31 1977 12:00AM