SOFT GROUND TBMS SET A CRACKING PACE IN CARACAS

More than 12km of new twin-tube tunnel and 12 new underground stations will have been added to the Caracas Metro in the latest extension work, bringing the total system to 40km with 35 stations. Three contractors completed the last six tunneling contracts and all used Lovat fullface soft ground TBMs. These suited the sometimes extremely difficult, wet, mixed-face ground conditions well and some impressive production rates were achieved.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/0041414X
• Corporate Authors:

  Morgan-Grampian (Construction Press) Limited

  Morgan-Grampian House, 30 Calderwood Street
  London SE18 6QH,   England 
• Publication Date: 1988-9

Media Info

• Features: Figures; Photos;
• Pagination: p. 25-28
• Serial:
  • Tunnels & Tunnelling International
  • Volume: 20
  • Issue Number: 9
  • Publisher: Progressive Media Markets, Ltd
  • ISSN: 0041-414X

Subject/Index Terms

• TRT Terms: Boring; Moisture content; Rail line extensions; Soft soils; Soils; Tunneling machines
• Uncontrolled Terms: Soil conditions
• Geographic Terms: Caracas (Venezuela)
• Subject Areas: Construction; Geotechnology; Public Transportation;

Filing Info

• Accession Number: 00477564
• Record Type: Publication
• Files: TRIS
• Created Date: Nov 30 1988 12:00AM