2014
DOI: 10.1590/s1679-78252014000700009
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Abstract: The lack of lateral resistance in a curved railway track can produce misalignment problems due to the centrifugal forces when the trains pass through. Moreover, most of the times continuous welded rails (CWR) are used in nowadays railway tracks, which can induce the track buckling as a result of thermal loads caused by high temperature gradients. A new sleeper has been designed to provide higher lateral resistance of the track. A finite element model has been developed to analyze the lateral movements of an ac… Show more

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Cited by 20 publications
(6 citation statements)
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(3 reference statements)
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“…In addition, for the calculations in which the wavelength of the misalignment is analysed (Figure 14 (e)), an amplitude of 17 mm is used and the position of the maximal deflection is situated on the embankments 6 m after the temporary bridge deck. The size and shape of these misalignments are similar to what can be found in literature 1316 and in the internal acceptance guidelines of the Belgian railways. 17 In these guidelines, the maximal value of the misalignment amplitude is allowed immediately after construction, refurbishment or maintenance of the tracks equals 3 mm.…”
Section: Parametric Study On Three-dimensional Temporary Bridge Deck supporting
confidence: 83%
“…In addition, for the calculations in which the wavelength of the misalignment is analysed (Figure 14 (e)), an amplitude of 17 mm is used and the position of the maximal deflection is situated on the embankments 6 m after the temporary bridge deck. The size and shape of these misalignments are similar to what can be found in literature 1316 and in the internal acceptance guidelines of the Belgian railways. 17 In these guidelines, the maximal value of the misalignment amplitude is allowed immediately after construction, refurbishment or maintenance of the tracks equals 3 mm.…”
Section: Parametric Study On Three-dimensional Temporary Bridge Deck supporting
confidence: 83%
“…Reviewing the technical literature reveals various methods for increasing the lateral resistance in ballasted tracks such as using frictional sleepers, 27,28 use of vertical wings in wooden and concrete sleepers 29 , utilizing the Y-shaped sleepers and installation of lateral wings and frame sleeper. 30–33 As a special case, application of in situ polyurethane geo-composite beams known as Xia Track has been proposed to improve the passive shoulder resistance of a railway track.…”
Section: Introductionmentioning
confidence: 99%
“…The lateral movement of the ballasted railway tracks, particularly in continuously welded rails (CWR) due to the train movement or changes in temperature, is one of the factors that influences track buckling in sharp curves. 1,2 As reported by Kish et al., 3 the deflection of a curve with 291 m radius is 40% greater than that of a straight line. In contrast to the statement of the AREMA standard 4 about disregarding the railroad surcharge influence on the ballast retaining wall, passing the train through a railway bridge with a sharp curve causes serious problems due to the lack of space to adequately provide lateral stability for track movement.…”
Section: Introductionmentioning
confidence: 53%
“…The lateral movement of the ballast railway tracks, particularly in continuously welded rails (CWR) due to the train movement or temperature changes, is one of the factors influencing the track buckling in the sharp curves [1], [2]. As reported by Kish, A [3], the deflection of a curve with 291 m radius is 40 % greater than that of the straight line.…”
Section: Introductionmentioning
confidence: 99%