2020
DOI: 10.1016/j.mechmat.2020.103505
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Influence of the operational conditions on static and dynamic stiffness of rail pads

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Cited by 33 publications
(28 citation statements)
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“…Cezary et al tested the frequency dependence of UBM and used an FDZ model to evaluate its insertion loss in a two-layer reference system [ 20 ]. In addition to the more well-known frequency dependence, temperature dependence, and amplitude dependence of the polymer materials [ 21 , 22 , 23 , 24 , 25 , 26 , 27 ], the influence of the preload dependence is now being considered. Koroma et al successively proposed the modified KV model [ 28 ] and the Poynting–Thomson (PT) model [ 29 ] considering the preload dependence, which fit better with the measured dynamic stiffness of the fastener pad under different preloads [ 23 ].…”
Section: Introductionmentioning
confidence: 99%
“…Cezary et al tested the frequency dependence of UBM and used an FDZ model to evaluate its insertion loss in a two-layer reference system [ 20 ]. In addition to the more well-known frequency dependence, temperature dependence, and amplitude dependence of the polymer materials [ 21 , 22 , 23 , 24 , 25 , 26 , 27 ], the influence of the preload dependence is now being considered. Koroma et al successively proposed the modified KV model [ 28 ] and the Poynting–Thomson (PT) model [ 29 ] considering the preload dependence, which fit better with the measured dynamic stiffness of the fastener pad under different preloads [ 23 ].…”
Section: Introductionmentioning
confidence: 99%
“…The discrete element method allows to simulate the sophisticated dynamic behaviour of the stone components of the ballast bed [6]. [8] The rail pads play an important role in the wheel/rail dynamics because they are the closest elastic elements to the wheel/rail contact patch. The rail pads are assembled between the steel rails and sleepers to distribute the wheel/rail load over a large surface avoiding the resultant fatigue and shock stresses.…”
Section: Introductionmentioning
confidence: 99%
“…The rail pads are assembled between the steel rails and sleepers to distribute the wheel/rail load over a large surface avoiding the resultant fatigue and shock stresses. Usually, the rail pads are made of rubber, ethylene propylene diene monomer (EPDM), thermoplastic polyester elastomer (TPE), high-density polyethylene (HDPE), and ethylene-vinyl acetate (EVA), as presented in Figure 2 [7,8]. Such materials are well known in industry and these are extensively studied from many view points to solve various practical issues [9][10][11][12][13][14].…”
Section: Introductionmentioning
confidence: 99%
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“…For example, the dynamic performance and long-term behaviour of concrete slab and ballasted tracks were studied through full-scale model tests with simulated train moving loads. [47][48][49][50][51][52][53][54][55] The study of the interaction between the vehicle and the track consists of the solution of the contact between the wheels and the rails. [56][57][58][59][60][61][62][63] This issue plays a key role since it not only affects the motion of the vehicle but also allows to study the effect of track irregularities, [64][65][66][67] the prediction of some damaging phenomena such as wear, [68][69][70][71][72][73][74][75] rolling contact fatigue 76,77 or corrugation [78][79][80] and other track singularities.…”
Section: Introductionmentioning
confidence: 99%