Abstract
Railway track transition zone is a zone where track stiffness changes abruptly. This change occurs where the slab track connects to a conventional ballasted track, at the abutments of open-deck bridges, at the beginnings and ends of tunnels, at road and railway level crossings, and at locations where rigid culverts are placed close to the bottom of sleepers. In this paper, ballasted and slab tracks are simulated by two-dimensional model with two-layer masses. The transition zone is divided into three segments, each having a length of 6 meters with different specification and stiffness. The model of track consists of a Timoshenko beam as a rail and slab, lumped mass as sleepers, and spring and damper as ballast, sub-grade, and rail pad. The results of the dynamic analysis are presented and compared in two circumstances — one considering the transition zone and the other its absence.
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This paper was recommended for publication in revised form by Editor Yeon June Kang
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 Assistant 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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Zakeri, JA., Ghorbani, V. Investigation on dynamic behavior of railway track in transition zone. J Mech Sci Technol 25, 287–292 (2011). https://doi.org/10.1007/s12206-010-1202-x
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DOI: https://doi.org/10.1007/s12206-010-1202-x