Research Article
Mar 1977
Considerations in the Analysis of Conventional Railway Track Support System
Publication: Transportation Engineering Journal of ASCE
Volume 103, Issue 2
Abstract
An adequate engineering analysis of conventional railway track support system (CRTSS) requires the consideration of all the major components of the track support system. Past efforts in this area have not been satisfactory because of lack of proper materials characterization and very simplified modeling of the CRTSS. A finite element model has been developed that allows determination of the instantaneous elastic response of the CRTSS. Because of the complex three-dimensional geometry, the analytical modeling was divided into two stages: a longitudinal analysis stage and a transverse analysis stage. Stress-dependent material properties of the ballast, the subballast, and the subgrade obtained from repeated load triaxial tests can be used with the finite element model. The finite element model has been validated using the measured response at Section 9 of the Kansas Test Track. Good agreement was obtained between the measured response and that calculated using the finite element model.
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Published In
Transportation Engineering Journal of ASCE
Volume 103 • Issue 2 • March 1977
Pages: 279 - 292
Copyright
© 1977 American Society of Civil Engineers.
History
Published in print: Mar 1977
Published online: Feb 5, 2021
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Authors
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Shiraz D. Tayabji, AM.ASCE
VJsJtmg Research Asst. Prof., Dept. of Civ. Engrg., Univ. of Illinois, Urbana, Ill.
Marshall R. Thompson, M.ASCE
Prof. of Civ. Engrg., Univ. of Illinois, Urbana, Ill.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
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.