On the New Equations for the Lateral Dynamics of a Rail-Tie Structure

[+] Author and Article Information
A. D. Kerr, M. A. El-Sibaie

Department of Civil Engineering, University of Delaware, Newark, Del. 19716

J. Dyn. Sys., Meas., Control 109(2), 180-185 (Jun 01, 1987) (6 pages) doi:10.1115/1.3143837 History: Received February 25, 1986; Online July 21, 2009


The accuracy of the new equations for the rail-tie structure, derived by Kerr and Zarembski and recently generalized for dynamic problems by Kerr and Accorsi, is studied. This is done by comparing the natural frequencies based on the new equations with those calculated using a finite element method for a range of fastener stiffness values and a variety of rail spacings. The comparison revealed very close agreement. The findings confirm the suitability of the new equations for dynamic analyses of cross-tie tracks in the lateral plane.

Copyright © 1987 by ASME
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