The speed improvement tests conducted on the new Sanyo Trunk Line have revealed the necessity for control over the short-wavelength track irregularities that possibly result from the shape of the rail-head section, as well as the long-wavelength track irregularities such as those detectable by the level transit. The author describes the structure of the high-speed track-inspection equipment (HISTIM), which has been developed for inspection and measurement of such track irregularities, and presents the results of the tests conducted with the equipment. The short-wavelength irregularities occur under the fluctuations of the wheel load and changes in lateral force, while the long-wavelenth irregularities considered as the disorder of surface in relation to travelling comfort.

  • Corporate Authors:

    Japan Railway Civil Engineering Association

    Kyodo Building, 18-7 Hagashi-Uyeno 2 Chome, Daito-Ku
    Tokyo-110,   Japan 
  • Authors:
    • SATO, Y
  • Publication Date: 1975


  • Japanese

Media Info

  • Features: Figures; References; Tables;
  • Pagination: p. 171-175
  • Serial:
    • Permanent Way
    • Volume: 23
    • Issue Number: 3
    • Publisher: Japan Railway Civil Engineering Association

Subject/Index Terms

Filing Info

  • Accession Number: 00172582
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Mar 14 1978 12:00AM