MANEUVERABLE TUNNEL MOLE NAVIGATES AROUND OBSTACLES

When surface congestion prevented open-cut construction, a mole with 39 cutter heads twisted and turned its way past the foundations of historic buildings to bore a 1.6-mi subway tunnel 82 ft below the streets of central Paris.

  • Corporate Authors:

    McGraw-Hill, Incorporated

    330 West 42nd Street
    New York, NY  USA  10036
  • Authors:
    • Sullivan, M
  • Publication Date: 1974-10

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 00097242
  • Record Type: Publication
  • Source Agency: Construction Methods and Equipment
  • Files: TRIS
  • Created Date: Jul 29 1981 12:00AM