Chapter
Jun 20, 2016
Hertzian Contact Stiffness
Publication: International Conference on Transportation and Development 2016
Abstract
In dynamic wheel/rail models, the Hertzian contact stiffness is an important parameter. A track structure and wheel set connected by means of a Hertzian spring is used to describe high frequency vertical vibrations. Unfortunately the Hertzian contact stiffness has been a subject of some dispute by various authors e.g., Hertz, Jenkin, Ahlbeck, Roark, etc. The paper uses Bousinesque equation for vertical deformation of rail under the center of a circular loaded surface to derive a linearized Hertzian contact stiffness formula and compares different approaches available in literature. The values obtained from proposed formula are compared with the values from literature for the purpose of validation.
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Published In
International Conference on Transportation and Development 2016
Pages: 525 - 530
Copyright
© 2016 American Society of Civil Engineers.
History
Published online: Jun 20, 2016
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Senior Trackwork Engineer, SNC-Lavalin Inc., Rail and Transit Division, 500-745 Thurlow St., Vancouver, BC, Canada V6E 0C5. E-mail: [email protected]
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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.