DOGSPIKE HOLDING POWER OF DOUGLAS FIR SLEEPER

The report covers testing to determine the suitability of Douglas fir as a material for cross ties. Tests revealed that the dogspike resistance of Douglas fir averaged 2.1 t, differences being the results of differences in growth ring width. As the ties age the resistance decreases by 40% in five years.

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

  JAPANESE NATIONAL RAILWAYS

  TOKYO,   Japan 
• Authors:
  • Kakekawa, H
• Publication Date: 1971-3

Media Info

• Features: Figures;
• Pagination: p. 54
• Serial:
  • Railway Technical Research Institute, Quarterly Reports
  • Volume: 12
  • 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: Fastenings; Railroad ties; Spikes; Technology; Wood ties
• Geographic Terms: Japan
• Old TRIS Terms: Wooden cross ties
• Subject Areas: Materials; Railroads;

Filing Info

• Accession Number: 00039979
• Record Type: Publication
• Files: TRIS
• Created Date: Jan 5 1973 12:00AM