RECORD-SIZE MOLE BORES DEEP TUNNEL

The paper reports how the slurry mole -- 33-ft in diameter was boring a 2,920-ft subway tunnel through soft ground in Tokyo, Japan aided by rock crushers and a maze of slurry volume and density sensors. An erector in the mole's tail placed concrete tunnel liner segments as the machine advanced.

  • Availability:
  • Corporate Authors:

    McGraw-Hill, Incorporated

    330 West 42nd Street
    New York, NY  United States  10036
  • Publication Date: 1980-7

Media Info

  • Pagination: p. 29
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00329520
  • Record Type: Publication
  • Source Agency: Engineering Index
  • Files: TRIS
  • Created Date: Feb 18 1981 12:00AM