Experimental data and theoretical argument are presented to show that the optimum length for a concrete tie of uniform cross section is 1.67 to 1.71 times the distance between the two rail center lines. A design methodology is presented and evaluated on available data on in-track performance. It is shown that the design bending moments specified for curves and large spacings by the American Railway Engineering Association's Concrete Tie Committee are questionable. This is particularly true for center line values used for ties carrying the heavy wheel loads characteristic of North American traffic.

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Filing Info

  • Accession Number: 00177197
  • Record Type: Publication
  • Source Agency: Engineering Index
  • Files: TRIS
  • Created Date: Jul 19 1978 12:00AM