Research Article
Nov 1980
GEOTRACK Model for Railroad Truck Performance
Authors: Ching S. Chang, AM.ASCE, Clement W. Adegoke, and Ernest T. Selig, M.ASCEAuthor Affiliations
Publication: Journal of the Geotechnical Engineering Division
Volume 106, Issue 11
Abstract
In order to provide a basis for predicting track performance, an analytical model is necessary that will realistically represent the actual behavior of the track system subjected to vehicle loading conditions. The model should adequately characterize the three-dimensional nature of this problem; the various soil and ballast layers can be distinguished and be given proper material properties. In this paper a model is presented that incorporates both of these requirements with a feature which permits loss of contact between tie and ballast when the rail springs up. This model, named GEOTRACK, was developed primarily to characterize the geotechnical aspects of the track behavior. The predictions of this model are in good agreement with measured stresses, strains, and displacements from field experiments at the government test track in Pueblo, Colo.
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Published In
Journal of the Geotechnical Engineering Division
Volume 106 • Issue 11 • November 1980
Pages: 1201 - 1218
Copyright
© 1980 American Society of Civil Engineers.
History
Published in print: Nov 1980
Published online: Feb 11, 2021
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Authors
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Ching S. Chang, AM.ASCE
Asst. Prof., Dept. of Civ. Engrg., Univ. of Massachusetts, Amherst, Mass
Clement W. Adegoke
Prof., Dept. of Civ. Engrg., Univ. of Massachusetts, Amherst, Mass
Ernest T. Selig, M.ASCE
Lect., Dept. of Applied Geology, Univ. of Ife, Nigeria
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.