An outline of the survey work necessary for the construction of a large tunnel project such as the San Francisco Bay Area Rapid Transit System is presented. In the second part of the paper, a method for shield or tunneling machine control by laser and double target is described. This method has proven successful during the driving of the tunnels of the BART system both by hand and machine methods.

  • Corporate Authors:

    American Society of Civil Engineers

    345 East 47th Street
    New York, NY  United States  10017-2398
  • Authors:
    • Peterson, E W
    • Frobenius, P
  • Publication Date: 1973-9

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 00051428
  • Record Type: Publication
  • Source Agency: American Society of Civil Engineers
  • Report/Paper Numbers: Paper #10008 Proceeding
  • Files: TRIS
  • Created Date: Apr 9 1981 12:00AM