Abstract
This paper is devoted to investigating of dynamic behavior of a ballasted railway track by field tests and numerical analyses. In this regard, at first in a field test program, two different sections in a ballasted track including concrete and wooden sleepers with good quality are selected and their dynamic vertical deflections are measured due to moving locomotive. In continuation, the numerical model of vehicle track interaction is developed and its results are verified using the measured values in the field tests and the previous research studies. Finally, using the verified model, a series of sensitivity analyses are accomplished on effecting parameters including sleeper type and track modulus. Results indicate that the dynamic behavior of the ballasted track under moving locomotive is linear with concrete sleepers while non-linear with wooden sleepers.
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Jabbar Ali Zakeri received his B.S. degree in Civil Engineering and M.Sc. degree in Structural Engineering from Tabriz University in 1992 and 1995, respectively. He then went on to receive his Ph.D. degree in Road and Railway Engineering from Beijing Jiaotong University in 2000. Dr. Zakeri is currently an Associate Professor at the School of Railway Engineering at Iran University of Science and Technology. His research interests are in the area of dynamic analysis of train - track interaction, railway track dynamics, track maintenance and construction.
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Mosayebi, SA., Zakeri, JA. & Esmaeili, M. Field test investigation and numerical analysis of ballasted track under moving locomotive. J Mech Sci Technol 30, 1065–1069 (2016). https://doi.org/10.1007/s12206-016-0209-3
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DOI: https://doi.org/10.1007/s12206-016-0209-3