HALF A CENTURY PROGRESS IN SOFT GROUND TUNNELING

The paper summarizes major developments in the practice of soft ground tunneling in the United States, highlighting the important tunnels constructed in the last half century. The evolution of the shield, of the cast-iron fabricated steel or concrete lining, of the rate of progress concreting, grouting and cost over the last 50 yr are presented. The procedures and improvements are given of the major soft ground tunnels: Holland, Detroit-Windsor, Sumner-Boston, Lincoln, Queens Midtown, Chicago Subways, Brooklyn-Battery, Callahan-Boston, N.Y. Sewer Tunnels, San Francisco-BART, Washington-WMATA. The conclusion points out expected future improvements in procedure, equipment, progress rates, and cost.

• Corporate Authors:

  American Society of Civil Engineers

  345 East 47th Street
  New York, NY  United States  10017-2398
• Authors:
  • Fox, G A
  • Nicolau, L E
• Publication Date: 1976-12

Media Info

• Features: Appendices; Figures; References; Tables;
• Pagination: p. 637-667
• Serial:
  • Journal of the Construction Division
  • Volume: 102
  • Issue Number: C04

Subject/Index Terms

• TRT Terms: Cast iron; Costs; Grouting; Shields (Tunnels); Soft soils; Tunnel lining; Tunneling
• Old TRIS Terms: Shields (Tunneling)
• Subject Areas: Bridges and other structures; Construction; Finance; Highways; Public Transportation;

Filing Info

• Accession Number: 00148676
• Record Type: Publication
• Files: TRIS
• Created Date: Mar 15 1981 12:00AM