Relevant bibliographies by topics / Rail roughness

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers
  5. Reports

Academic literature on the topic 'Rail roughness'

Author: Grafiati
Published: 4 June 2021
Last updated: 29 January 2023

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Journal articles on the topic "Rail roughness"

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Zhang, Shuyue, Kun Zhou, Haohao Ding, Jun Guo, Qiyue Liu, and Wenjian Wang. "Effects of Grinding Passes and Direction on Material Removal Behaviours in the Rail Grinding Process." Materials 11, no. 11 (2018): 2293. http://dx.doi.org/10.3390/ma11112293.

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A three-dimensional finite element model of rail grinding was established to explore the effects of grinding passes and grinding direction on the material removal behaviour of grinding rails during the grinding process. The results indicate that as the number of grinding passes increases, a decrease in the grinding force reduces both the amount of removed rail material and the surface roughness. There is a decrease in the grinding ratio caused by the increase in the wear on the grinding wheel and the decreased removal of the rail material. When the grinding direction changes, the wear of the g
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Tanaka, Hirofumi, and Masashi Miwa. "Modeling the development of rail corrugation to schedule a more economical rail grinding." Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit 234, no. 4 (2019): 370–80. http://dx.doi.org/10.1177/0954409719894833.

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Rail corrugation should be managed appropriately, as it causes noise, vibration, and degradation of track components and materials. Generally, rail corrugation is managed with the removal of rail surface roughness by rail grinding. However, in many cases, rail corrugation will reoccur after the rail is ground, thereby making the management of the phenomenon difficult for railway operators. For the proper management of rail corrugation, it is necessary to understand the development of rail corrugation and model it mathematically. However, this effort has not been made in previous studies. This
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Jeong, Wootae. "Spectral Characteristics of Rail Surface by Measuring the Growth of Rail Corrugation." Applied Sciences 11, no. 20 (2021): 9568. http://dx.doi.org/10.3390/app11209568.

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Continuous interaction between wheels and rails during train operation results in rail wear and tear. Corrugation of the rail surface is particularly caused by the contact mechanism between train wheel and rail and increases the vibration and dynamic wheel load, and if continued, leads to various defects and breakage of the track. Many devices are used to measure corrugation accurately, but measurement deviation varies greatly by measuring device. The most common corrugation measurement system measures surface roughness with a vibration acceleration sensor or displacement sensor. Corrugation w
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Mauz, Florian, Remo Wigger, Tobias Wahl, Michal Kuffa, and Konrad Wegener. "Acoustic Roughness Measurement of Railway Tracks: Implementation of a Chord-Based Optical Measurement System on a Train." Applied Sciences 12, no. 23 (2022): 11988. http://dx.doi.org/10.3390/app122311988.

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A large part of the noise emissions from rail traffic originates from rolling noise. This is significantly determined by the surface roughness of the wheel and the rail. To quantitatively assess the noise generation from the wheel–rail contact, it is necessary to measure the surface roughness of the rail network. Direct measurements via trolley devices are usually associated with the need for a free track and limitation in velocity. Indirect measurements of rail roughness, such as measuring axle-box accelerations, enable operation during regular passage but only estimate the acoustic roughness
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Lack, Tomas, and Juraj Gerlici. "Railway Wheel and Rail Roughness Analysis." Communications - Scientific letters of the University of Zilina 11, no. 2 (2009): 41–48. http://dx.doi.org/10.26552/com.c.2009.2.41-48.

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Xie, Gang, and Simon Iwnicki. "Editorial – ‘Rail Corrugation and Roughness Growth’." Vehicle System Dynamics 49, no. 11 (2011): 1709–10. http://dx.doi.org/10.1080/00423114.2011.618218.

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Jeong, Wootae, and Dahae Jeong. "Acoustic Roughness Measurement of Railhead Surface Using an Optimal Sensor Batch Algorithm." Applied Sciences 10, no. 6 (2020): 2110. http://dx.doi.org/10.3390/app10062110.

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Contact and friction between wheel and rail during train operation is the main cause of the rolling noise for which railways are known. Therefore, it is necessary to accurately measure the surface roughness of wheels and rails to monitor railway noise and predict noise around tracks. Conventional systems developed to measure surface roughness have large deviations in measured values or low repeatability. The recently developed automatic mobile measurement platform known as Auto Rail Checker (ARCer) uses three displacement sensors to reduce measurement deviation and increase the accuracy of exi
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Li, Qi, David J. Thompson, and Martin GR Toward. "Estimation of track parameters and wheel–rail combined roughness from rail vibration." Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit 232, no. 4 (2017): 1149–67. http://dx.doi.org/10.1177/0954409717710126.

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Rolling noise from running trains is significantly influenced by the wheel–rail combined roughness and the dynamic properties of the track. To facilitate predictions of vibration and noise, it is desirable to be able to determine these parameters accurately from field measurements. In this study, an inverse method for the determination of these parameters is adopted and enhanced. A track model that is based on a wavenumber finite element model of the free rail coupled to discrete supports, which allows for the pinned–pinned mode and cross–sectional deformation of the rail, has been used. The r
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Rajaram, Shankar, Hugh Saurenman, and Andrew Wong. "Light Rail Vehicle Noise: Evaluation of Rail Roughness and Noise from Wheel–Rail Interface." Transportation Research Record: Journal of the Transportation Research Board 2571, no. 1 (2016): 59–72. http://dx.doi.org/10.3141/2571-07.

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Jones, Chris J., Fabien Létourneaux, and Pascal Fodiman. "Testing a new rail roughness measurement standard." Journal of the Acoustical Society of America 123, no. 5 (2008): 3266. http://dx.doi.org/10.1121/1.2933585.

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Dissertations / Theses on the topic "Rail roughness"

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Croft, Briony Elizabeth. "The development of rail-head acoustic roughness." Thesis, University of Southampton, 2009. https://eprints.soton.ac.uk/69564/.

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A model of the development of rail-head acoustic roughness on tangent track has been formulated. The model consists of a two-dimensional time domain wheel-rail interaction force calculation, with the normal force used as the input to a two-dimensional rolling contact and wear model. The possibility of multiple wear mechanisms arising from stress concentrations is considered by using a wear coefficient that can vary with the conditions at each point in the contact. The contact model is based on a variational technique, taking account of non-Hertzian and transient effects. A novel feature of the
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Bona, Melissa Ellen. "The effect of straightening and grinding of welds on track roughness." Thesis, Queensland University of Technology, 2005. https://eprints.qut.edu.au/16180/7/Thesis_Melissa_Bona.pdf.

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Rail is a very expensive component of the railway track. Therefore, research methods extending rail life have great economic importance. During the past thirty years and, particularly during the past ten years there has been an increasing awareness throughout most rail networks in the world of the need to introduce improved design criteria, better construction techniques and higher standard track generally. This implies that quality control at all levels is mandatory if these objectives are to be achieved. With the improved understanding of degradation of track, a more complete comprehen
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Bona, Melissa Ellen. "The effect of straightening and grinding of welds on track roughness." Queensland University of Technology, 2005. http://eprints.qut.edu.au/16180/.

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Rail is a very expensive component of the railway track. Therefore, research methods extending rail life have great economic importance. During the past thirty years and, particularly during the past ten years there has been an increasing awareness throughout most rail networks in the world of the need to introduce improved design criteria, better construction techniques and higher standard track generally. This implies that quality control at all levels is mandatory if these objectives are to be achieved. With the improved understanding of degradation of track, a more complete comprehensi
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Lundberg, Oskar Erik. "Vibrations induced by surface roughness in nonlinear rolling contacts." Licentiate thesis, KTH, MWL Marcus Wallenberg Laboratoriet, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-155049.

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For efficient transportation in either trains, busses or passenger cars, rolling elements such as wheels, tyres, bearings and transmission elements are fundamental. The energy efficiency and the generation of noise and vibrations in rolling contacts depend on the surface roughness of contacting bodies. In order to optimize the surfaces of rolling elements, prediction of its impact on the dynamic response from rolling excitation is required. A computationally efficient method to include surface roughness in the modelling of rolling contacts is presented. More specifically, nonlinear effects on
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Lundberg, Oskar. "On the influence of surface roughness on rolling contact forces." Doctoral thesis, KTH, MWL Marcus Wallenberg Laboratoriet, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-193935.

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Road vehicle tyres, railway wheels and ball bearings all generate rolling contact forces which are transferred within a finite area of contact between the rolling element and the substrate. Either it is visible or not for the human eye, a certain degree of roughness is always present on the contacting surfaces and it influences the generation of both vertical and lateral contactforces. The purpose of this investigation is to enhance the understanding and modelling of the influence from small-scale surface roughness on the generation of rolling contact forces. To this end, a computationally eff
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Wang, Teng. "3D Infrastructure Condition Assessment For Rail Highway Applications." UKnowledge, 2016. http://uknowledge.uky.edu/ce_etds/41.

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Highway roughness is a concern for both the motoring public and highway authorities. Roughness may even increase the risk of crashes. Rail-highway grade crossings are particularly problematic. Roughness may be due to deterioration or simply due to the way the crossing was built to accommodate grade change, local utilities, or rail elevation. With over 216,000 crossings in the US, maintenance is a vast undertaking. While methods are available to quantify highway roughness, no method exists to quantitatively assess the condition of rail crossings. Conventional inspection relies on a labor-intens
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Su, Bei. "EFFECTS OF RAILROAD TRACK STRUCTURAL COMPONENTS AND SUBGRADE ON DAMPING AND DISSIPATION OF TRAIN INDUCED VIBRATION." UKnowledge, 2005. http://uknowledge.uky.edu/gradschool_diss/312.

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A method for numerical simulation of train induced track vibration and wave propagation in subgrade has been proposed. The method uses a mass to simulate the bogie of a train and considers the effect of rail roughness. For this method, rail roughness is considered as a randomly generated signal and a filter is used to block the undesired components. The method predicts the particle velocity around the track and can be applied to many kinds of railroad trackbeds including traditional ballast trackbed and modern Hot mix asphalt (HMA) trackbed. Results from ballast and HMA trackbeds are compared
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Chartrain, Pierre-Emile. "Lecture acoustique de la voie ferrée." Thesis, Aix-Marseille, 2013. http://www.theses.fr/2013AIXM4748/document.

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Le bruit de roulement est la principale source de bruit des transports ferroviaires pour des vitesses conventionnelles. Il est produit par les vibrations puis le rayonnement acoustique du matériel roulant et de la voie provoqués par le déplacement de la roue et du rail. Ce déplacement est imposé par les défauts microscopiques de surface présents sur les bandes de roulement appelés rugosité.La directive Européenne 2002/49/CE exige la réalisation la cartographies du bruit des infrastructures de transport. Le bruit dans l’environnement peut être prédit par des modèles dont les paramètres d’entrée
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Hawari, Haitham M. "Minimising track degradation through managing vehicle/track interaction." Thesis, Queensland University of Technology, 2007. https://eprints.qut.edu.au/16366/1/Haitham_Hawari_Thesis.pdf.

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The rate at which a railway track deteriorates depends on the response of the track under different static and repeated dynamic forces. These wheel/rail forces lead to imperfections in the rail surface and deviation in track geometry alignment. The wheel/rail forces are dependent upon the quality of maintenance of the characteristics of both train and track. If train components such as wheelsets and suspensions are maintained to a high standard, less dynamic forces are generated at the wheel/rail interface and less damage is caused over time. Therefore, the amount and cost
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Hawari, Haitham M. "Minimising track degradation through managing vehicle/track interaction." Queensland University of Technology, 2007. http://eprints.qut.edu.au/16366/.

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The rate at which a railway track deteriorates depends on the response of the track under different static and repeated dynamic forces. These wheel/rail forces lead to imperfections in the rail surface and deviation in track geometry alignment. The wheel/rail forces are dependent upon the quality of maintenance of the characteristics of both train and track. If train components such as wheelsets and suspensions are maintained to a high standard, less dynamic forces are generated at the wheel/rail interface and less damage is caused over time. Therefore, the amount and cost of maintenanc
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Book chapters on the topic "Rail roughness"

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Gramowski, Christoph, and Patrick Suppin. "Impact of Rail Dampers on the Mainline Rail Roughness Development." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-73411-8_27.

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Wang, A., Z. Wang, Z. Zhao, et al. "Effects of Track Stiffness and Tuned Rail Damper on Rail Roughness Growth and Rail Vibration Levels on Metro System." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-44832-8_79.

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Phamová, L., P. Bauer, J. Malinský, and M. Richter. "Indirect Method of Rail Roughness Measurement – VUKV Implementation and Initial Results." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-44832-8_25.

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Kuijpers, A. H. W. M., W. Schwanen, and E. Bongini. "Indirect Rail Roughness Measurement: The ARRoW System within the LECAV Project." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design. Springer Japan, 2012. http://dx.doi.org/10.1007/978-4-431-53927-8_67.

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Carrigan, Tobias D., and James P. Talbot. "Extracting Information from Axle-Box Acceleration: On the Derivation of Rail Roughness Spectra in the Presence of Wheel Roughness." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-70289-2_29.

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Jurdic, Vincent, Rob Lever, Adrian Passmore, and Mark Scotter. "Rail Roughness Evolution on a Curved Track and Its Impact on Induced Structure Borne Vibration." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-70289-2_58.

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Dertimanis, V. K., M. Zimmermann, F. Corman, and E. N. Chatzi. "On-Board Monitoring of Rail Roughness via Axle Box Accelerations of Revenue Trains with Uncertain Dynamics." In Model Validation and Uncertainty Quantification, Volume 3. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-12075-7_18.

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Tufano, Anna Rita, Olivier Chiello, Marie-Agnès Pallas, et al. "Numerical and Experimental Analysis of Transfer Functions for On-Board Indirect Measurements of Rail Acoustic Roughness." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-70289-2_30.

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Methold, R. H., C. J. C. Jones, C. Cobbing, and J. Cronje. "The Factors Associated with the Management of Combined Rail/Wheel Roughness to Control Groundborne Noise and Vibration from the UK’s Crossrail Project." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-73411-8_53.

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Thompson, David. "Wheel/Rail Interaction and Excitation by Roughness." In Railway Noise and Vibration. Elsevier, 2009. http://dx.doi.org/10.1016/b978-0-08-045147-3.00005-0.

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Conference papers on the topic "Rail roughness"

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Wang, Teng (Alex), Reginald R. Souleyrette, Daniel Lau, and Peng Xu. "Rail Highway Grade Crossing Roughness Quantitative Measurement Using 3D Technology." In 2014 Joint Rail Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/jrc2014-3778.

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Quality of surface is an important aspect affecting both the safety and the performance of at-grade rail-highway crossings. Roughness may increase the risk of crashes for both trains and automobiles. Varying grades in crossing profiles increase the likelihood of high-centered crossing collisions between train and truck [1]. The US DOT Railroad Highway Grade Crossing Handbook [2] suggests that rough surfaces could distract a driver’s attention from oncoming trains and that the unevenness of the crossing could result in a driver losing control of their vehicle resulting in a crash. No quantitati
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Spannar, J. "A new approach of assessing rail roughness." In 4th IET International Conference on Railway Condition Monitoring (RCM 2008). IEE, 2008. http://dx.doi.org/10.1049/ic:20080322.

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Roghani, Alireza, Renato Macciotta, and Michael Hendry. "Combining Track Quality and Performance Measures to Assess Track Maintenance Requirements." In 2015 Joint Rail Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/jrc2015-5654.

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The serviceability of a section of railway highly depends on track stiffness and roughness. Railway operators regularly measure parameters associated with track stiffness and roughness to evaluate the track conditions. These measures are used in combination with performance observations to assess maintenance requirements. Although these assessments are mostly qualitative, railway operations have benefited from them. Railway operators keep comprehensive records of different types of track defects along their lines. These records are a measure of track performance and present an opportunity to q
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Chen, Qi, Jialiang Chen, and Meng Ma. "PSD Analysis on Rail Roughness for Beijing Metro." In 13th Asia Pacific Transportation Development Conference. American Society of Civil Engineers, 2020. http://dx.doi.org/10.1061/9780784482902.073.

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Spiryagin, Maksym, Sanjar Ahmad, Esteban Bernal, et al. "Implementation of the Contact Roughness at the Wheel-Rail Contact Model for Locomotive Traction Studies." In 2022 Joint Rail Conference. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/jrc2022-84116.

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Abstract This paper introduces a solution to deliver the relation between the contour and real contact areas considering characteristics of surface geometry based on the adaptation of a tribological method [1] for calculation of the real area of contact and the real pressure between two rough surfaces. The implementation in the wheel-rail coupling architecture is kept the same as per the previously developed wheel-rail multibody couplings [2,3] based on the modified Fastsim [4] and Extended Contact [5] algorithms, which allows switching between the previous and new developed coupling for a com
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Liang, Xiao, and Minghui Zheng. "Estimation of Rail Vertical Profile Using an H-Infinity Based Optimization With Learning." In 2019 Joint Rail Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/jrc2019-1266.

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Railway track vertical alignment is an important indicator of serviceability condition and thus plays a critical role for maintenance planning. Estimating the rail profile through the vertical acceleration readings provides an efficient alternative to the current practice of optical methods using special vehicles. This paper proposes an algorithm to estimate the rail vertical profile using the vertical acceleration of the vehicle resulting from the train-track dynamic interaction. The algorithm is designed to approximate the inverse of the transfer function from the rail vertical roughness to
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Wei, Hongliang, and Songliang Lian. "Analysis on Wheel/Rail Interaction Induced by Roughness in Subway." In Third International Conference on Transportation Engineering (ICTE). American Society of Civil Engineers, 2011. http://dx.doi.org/10.1061/41184(419)433.

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Plati, Christina, Maria Pomoni, Andreas Drainakis, and Andreas Loizos. "Integrating roughness data to assess greenhouse gas emissions within pavement management decision-making." In 7th International Conference on Road and Rail Infrastructure. University of Zagreb Faculty of Civil Engineering, 2022. http://dx.doi.org/10.5592/co/cetra.2022.1401.

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Green-House Gases (GHGs) are emitted into the atmosphere in significant amounts produced mainly by human sources and activities. Globally, the road transport sector is a significant source of GHGs and particularly of CO2 emissions. Transport sector includes pavements and pavement roughness is a factor that directly affects fuel consumption and consequently has a significant impact on vehicle emissions. Many studies have attempted to define the connection between pavement roughness in terms of International Roughness Index (IRI) and fuel consumption, under the scope of pavement sustainability.
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Kashani, Hamed F., and James P. Hyslip. "Ballast Life and Effective Parameters." In 2018 Joint Rail Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/jrc2018-6264.

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Railway ballast under repeated traffic loading deforms and deteriorates. Increases in the rate of settlement in ballast decreases its useful life and contributes to geometry roughness and poor ride quality. Based on laboratory and field studies, as well as mechanic-based models, the fouling condition of the ballast has been shown to have a profound effect on settlement and overall ballast life. Quantifying ballast settlement and the effect of maintenance at different stages of ballast life can define the State of Good Repair (SGR) for ballast. This paper presents an approach for predicting bal
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Jian, Fang, Lian-Song Liang, and Lei-Xiao Yan. "Experimental Analysis of Wheel and Rail Surface Roughness from Rapid Transit Systems." In 14th COTA International Conference of Transportation Professionals. American Society of Civil Engineers, 2014. http://dx.doi.org/10.1061/9780784413623.153.

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Reports on the topic "Rail roughness"

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Agassi, Menahem, Michael J. Singer, Eyal Ben-Dor, et al. Developing Remote Sensing Based-Techniques for the Evaluation of Soil Infiltration Rate and Surface Roughness. United States Department of Agriculture, 2001. http://dx.doi.org/10.32747/2001.7586479.bard.

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The objective of this one-year project was to show whether a significant correlation can be established between the decreasing infiltration rate of the soil, during simulated rainstorm, and a following increase in the reflectance of the crusting soil. The project was supposed to be conducted under laboratory conditions, using at least three types of soils from each country. The general goal of this work was to develop a method for measuring the soil infiltration rate in-situ, solely from the reflectance readings, using a spectrometer. Loss of rain and irrigation water from cultivated fields is
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