The most suitable superelevation for a given curve is determined as follows: the average speed on a tonnage basis should be ascertained from the actual known speeds of all trains, and the curve given the full theoretical superelevation corresponding to this average speed; and the maximum permissible speed on the curve should then be fixed as that corresponding to the above superelevation plus 4 inches. The first condition will result in equal loading of the two rails, and hence equal head wear and even maintenance of surface. The second ensures passenger comfort, and gives an ample factor of safety against derailment which is uniform for all curves, while at the same time it fixes an upper limit to the lateral forces acting on the track which is also the same for all radii. A table gives the superelevation for various radii for different average speeds, and the corresponding maximum permissible speeds.

  • Corporate Authors:

    Temple Press Limited

    161-166 Fleet Street
    Longon EC4,   England 
  • Authors:
    • Rapley, F
  • Publication Date: 0

Media Info

  • Features: Figures; Tables;
  • Pagination: p. 509-511
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00037699
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Jul 8 1994 12:00AM