EFFECT OF HIGH SPEED WATER JET STREAM ON ROCK BREAKING: POTENTIAL APPLICATION IN TUNNELING OPERATION (2ND REPORT)

Rock breaking with high speed water jet stream has been studied mainly through experiment. The experiment has been performed with the 3rd-stage pressure intensifier type experimental equipments which has the maximum jetting out pressure in nozzle from 5,000 kg/sq cm up to 17,000 kg/sq cm. From the results of that experiment, the rock breaking effect of this high speed water jet stream is discussed.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/oclc/3127232
• Corporate Authors:

  JAPANESE NATIONAL RAILWAYS

  TOKYO,   Japan 
• Authors:
  • Kinoshita, T
• Publication Date: 1973-3

Media Info

• Features: Figures; References;
• Pagination: p. 9-13
• Serial:
  • Railway Technical Research Institute, Quarterly Reports
  • Volume: 14
  • Issue Number: 1
  • Publisher: Railway Technical Research Institute/Tetsudo Gijutsu Kenkyujo
  • ISSN: 0033-9008
  • Serial URL: http://www.rtri.or.jp/eng/

Subject/Index Terms

• TRT Terms: Rock fracture; Rock mechanics; Tunneling
• Subject Areas: Bridges and other structures; Railroads;

Filing Info

• Accession Number: 00047991
• Record Type: Publication
• Source Agency: Railway Technical Research Institute
• Report/Paper Numbers: Quart Rpt
• Files: TRIS
• Created Date: Jan 4 1974 12:00AM