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RESEARCH PAPERS

The Response of an Infinite Railroad Track to a Moving, Vibrating Mass

[+] Author and Article Information
Dean G. Duffy

Laboratory for Atmospheres, NASA/Goddard Space Flight Center, Greenbelt, MD 20771

J. Appl. Mech 57(1), 66-73 (Mar 01, 1990) (8 pages) doi:10.1115/1.2888325 History: Received September 30, 1988; Revised March 28, 1989; Online March 31, 2008

Abstract

We examine vibrations that arise when a moving, vibrating load passes over an infinite railroad track lying on a Winkler foundation. Solutions are presented for both moving and stationary vibrating loads as a function of both the mass and driving frequency of the load as well as the physical properties of the track. For a stationary vibrating load, resonance occurs at lower driving frequencies as the mass of the load increases. For a moving vibrating load, resonance occurs at lower driving frequencies when the velocity and/or mass of the load increases.

Copyright © 1990 by The American Society of Mechanical Engineers
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