THIN DIVIDER KEEPS TUNNELS UNITED

The paper reports how by using a narrow, 5-ft-thick pillar to separate excavation of parallel subway tunnels in soft earth 52 ft below street level paid off for designers challenged by tight working space in Atlanta. Earth wall between bores is reported to resist cave-in or blowout.

  • Availability:
  • Corporate Authors:

    McGraw-Hill, Incorporated

    330 West 42nd Street
    New York, NY  United States  10036
  • Publication Date: 1980-8

Media Info

  • Pagination: p. 60
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00329519
  • Record Type: Publication
  • Source Agency: Engineering Index
  • Files: TRIS
  • Created Date: Feb 18 1981 12:00AM