Academic literature on the topic 'Railway substructure'

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Journal articles on the topic "Railway substructure"

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Habashneh, Muayad. "Special reinforcement solutions of railway permanent ways’ soil substructures." Acta Technica Jaurinensis 14, no. 3 (2021): 339–63. http://dx.doi.org/10.14513/actatechjaur.00612.

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This mini review aims to summarize relevant international publications. Thus, based on this, giving a comprehensive review about the reinforcement solutions of permanent ways' soil substructure. Generally, the core weakness of soil is its inadequacy to resist tensile stresses. The main target of strengthening the soil is to enhance the engineering characteristics of the soil to build up specific parameters such as shear strength, compressibility, density, and hydraulic conductivity. In addition, special reinforcement techniques of railway permanent ways' soil substructures will be considered i
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Li, Wei, Xuecheng Bian, Xiang Duan, and Erol Tutumluer. "Full-Scale Model Testing on Ballasted High-Speed Railway: Dynamic Responses and Accumulated Settlements." Transportation Research Record: Journal of the Transportation Research Board 2672, no. 10 (2018): 125–35. http://dx.doi.org/10.1177/0361198118784379.

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High-speed trains generate much higher vibrations in track structures than conventional trains and intensive train passages (e.g., on the Beijing–Shanghai high-speed railway line where the train passage interval is less than 5 minutes) cause accumulated permanent settlement in the railway track substructures, which will decrease track performance and jeopardize the safety of trains. Since very few field measurements on ballasted high-speed railways are available in literature, this paper presents experimental results of vibration velocity, dynamic soil stress, and the accumulated settlement of
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IŽVOLT, Libor, Peter DOBEŠ, and Juraj PIEŠ. "Verification of boundary conditions of numerical modeling of the track substructure thermal regime – influence of the snow cover." Archives of Transport 4, no. 48 (2018): 51–60. http://dx.doi.org/10.5604/01.3001.0012.8365.

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The initial part of the paper briefly characterizes a long-term experimental activity at the Department of Railway Engineering and Track Management (DRETM). The research of the DRETM focuses, besides other research activities and specific problems in the field of railway engineering (application of new structures and construction materials in conventional and modernized railway tracks, modernisation and rehabilitation of existing railway tracks for higher speeds, track diagnostics, influence of track operation on noise emissions and design of structural measures, possibility of application of
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Fei, Jianbo, Yuxin Jie, Chengyu Hong, and Changsuo Yang. "Comparative Analysis of Design Parameters for High-Speed Railway Earthworks in Different Countries and a Unified Definition of Embankment Substructure." Baltic Journal of Road and Bridge Engineering 15, no. 2 (2020): 127–44. http://dx.doi.org/10.7250/bjrbe.2020-15.476.

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This paper compares design specifications and parameters for high-speed railway (HSR) earthworks in different countries (i.e., China, France, Germany, Japan, Russia, Spain and Sweden) for different track types (i.e., ballasted and ballastless), and for different design aspects (i.e., HSR embankment substructure, compaction criteria, width of the substructure surface, settlement control, transition section, and design service life). Explanations for differences in HSR implementation among different countries are provided and reference values of the design parameters are obtained. In an attempt
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Dobeš, Peter. "Calibration of TDR Test Probe for Measuring Moisture in the Body of the Railway Substructure and its Subgrade." Civil and Environmental Engineering 11, no. 2 (2015): 84–94. http://dx.doi.org/10.1515/cee-2015-0011.

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Abstract In the introduction of the paper there is characterized a way of monitoring the moisture in the railway substructure in the experimental stand, which is a part of the experimental workplace of the Department of Railway Engineering and Track Management. A substantial part of the paper is devoted to the calibration of TDR test probe for selected rock materials as a basic prerequisite for the determination of the actual moisture in the body of the railway substructure and subgrade.
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Lewandrowski, Tomasz, Paweł Muzolf, and Włodzimierz Idczak. "The approximate modelling of a “rail vehicle-railway track- substructure” system." Bulletin of the Military University of Technology 66, no. 2 (2017): 107–21. http://dx.doi.org/10.5604/01.3001.0010.1893.

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A system “railway vehicle–railway track–substructure” was analysed. Rails were modelled as the Bernoulii-Euler beams on an elastic foundation. Two load cases were considered a) static load from the train to the railway track, b) dynamic load from the train moving with the constant velocity. As a result, the fourth-order differential equation was obtained. Both, material data and operating parameters were determined by components of the equation. To solve this equation, the finite difference method was used. This method was described considering such matters as space step, time step, discretiza
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Haji Abdulrazagh, Parisa, and Michael T. Hendry. "Case study of use of falling weight deflectometer to investigate railway infrastructure constructed upon soft subgrades." Canadian Geotechnical Journal 53, no. 12 (2016): 1991–2000. http://dx.doi.org/10.1139/cgj-2016-0083.

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Falling weight deflectometer (FWD) testing was conducted along with embankment and subgrade sampling over 210 km (130 miles) of Canadian National Railway’s Lac La Biche Subdivision, which runs between Edmonton and Fort McMurray, as a part of a larger investigation of the line for increased axle loads. The resulting measurements were evaluated for their ability to identify soft subgrades. Two analyses were conducted to this end. First, the statistical distribution of peak deflections recorded by the FWD was investigated for different types of subgrade material. Second, the properties of track s
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Vukićević, Mirjana, Zdenka Popović, Jovan Despotović, and Luka Lazarević. "Fly ash and slag utilization for the Serbian railway substructure." Transport 33, no. 2 (2016): 389–98. http://dx.doi.org/10.3846/16484142.2016.1252427.

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Approximately 7 million tons of fly ash and slag are produced in thermal power plants in Serbia every year, only 3% of which is used in the cement industry. About 300 million tons of the ash-slag mixture are disposed in landfills, occupying an area of approximately 1600 hectares and generating environmental issues. Fly ash from Serbian power plants has pozzolanic properties and due to low concentration of calcium compounds (less than 10% CaO), they do not have self-cementing properties. According to the ASTM C618-15, this ash is from class F. According to the European Standard EN 197-1:2011, t
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Lazarević, Luka, Dejan Vučković, Milica Vilotijević, and Zdenka Popović. "Application of seismic tomography for assessment of the railway substructure condition." Structural Health Monitoring 18, no. 3 (2018): 792–805. http://dx.doi.org/10.1177/1475921718774778.

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This article presents results obtained in the research conducted on railway infrastructure in Serbia, which aimed at prediction of substructure condition based on the analysis of track quality. It presents the results of seismic tomography application as non-destructive procedure for assessment of railway substructure condition. Track geometry quality was assessed according to analysis of longitudinal level data, which was recorded during regular track geometry inspections. Track section for application of seismic tomography was chosen on the basis of analysed track geometry data recorded duri
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Mosayebi, Seyed-Ali, Jabbar-Ali Zakeri, and Morteza Esmaeili. "Vehicle/track dynamic interaction considering developed railway substructure models." Structural Engineering and Mechanics 61, no. 6 (2017): 775–84. http://dx.doi.org/10.12989/sem.2017.61.6.775.

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Dissertations / Theses on the topic "Railway substructure"

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Kennedy, Justin. "A full-scale laboratory investigation into railway track substructure performance and ballast reinforcement." Thesis, Heriot-Watt University, 2011. http://hdl.handle.net/10399/2431.

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To reduce railway track maintenance costs and meet the growing demand for rail travel the railway industry needs to significantly increase the performance of old existing tracks and design any new tracks accordingly. In this thesis, a new full-scale laboratory Geopavement & Railway Accelerated Fatigue Testing (GRAFT) facility at Heriot-Watt University is developed to study the performance of both unreinforced and reinforced railway track substructure systems. The new GRAFT facility enables accelerated testing of full-scale railway tracks and innovative railway products under realistic railway
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Sangirieva, Irina. "The design of an overpass crossing on railway in Mirny, Arkhangelska Oblast, Russia." Thesis, KTH, Bro- och stålbyggnad, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-90319.

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Bridge design and construction practice in former USSR, especially Russia, is not much known to the foreign engineers. Many advanced structural theories and construction practices have been established. In 1931, Franklin D. Roosevelt said, “There can be little doubt that in many ways the story of bridge building is the story of civilization. By it, we can readily measure a progress in each particular country.” The development of bridge engineering is based on previous experiences and historical aspects. Certainly, the Russian experience in bridge engineering has its own specifics. Bridge desig
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Yamaguchi, Teruya. "Synthesised H∞ıµ control design for a dynamically substructure system and it's application to railway testing facilities." Thesis, University of Bristol, 2017. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.723510.

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RADAMPOLA, Senanie Sujeewa, and senanie s. radampola@mainroads qld gov au. "EVALUATION AND MODELLING PERFORMANCE OF CAPPING LAYER IN RAIL TRACK SUBSTRUCTURE." Central Queensland University. Centre for Railway Engineering, 2006. http://library-resources.cqu.edu.au./thesis/adt-QCQU/public/adt-QCQU20060817.115415.

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In the design of rail track structures where the subgrade cannot achieve the desired capacity, enabling the required standard of track geometry to be maintained for the speed, axle load and tonnage to be hauled, a capping layer of granular material is placed between the natural ground or the embankment fill material and the ballast to protect the underlying weaker layers. In spite of the important role played by the capping layer, very little research has been carried out on its performance. The current practice of design of the capping layer, therefore, is based on working stress philosophy w
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Syrový, Aleš. "Návrh rekonstrukce železniční stanice Horní Cerekev." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2019. http://www.nusl.cz/ntk/nusl-392112.

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The subject of the diploma thesis is to design a redevelopment of railway station Horni Cerekev, in order to meet current traffic and legislation on access of persons with reduced mobility. Two platforms with the platform edge height of 550 mm above the top of the rail have been designed. The amount of five running tracks through the station remains unchanged. Furthermore, the railway superstructure, railway substructure and conceptual design of space in front of the station.
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Lehnert, Jan. "Návrh zvýšení traťové rychlosti v úseku mezi žst. Hanušovice a žst. Bludov." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227559.

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In this thesis I propose increasing of the speed on the railway line No. 292 on the section žst.Bludov - žst. Hanušovice. It includes is complete design of horizontal and vertical ratios, eventually relocation of the track. Railway substructure is solved in selected sections. The thesis solves also editing of platforms and crossing structures.
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Filo, Martin. "Rekonstrukce železniční stanice Chrudim." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227775.

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The subject of the diploma thesis is to design a redevelopment of railway station Chrudim in order to meet current legislation on access of persons with reduced mobility. Two platforms with the platform edge height of 550 millimetres above the top of the rail have been designed. The amount of four running tracks through the station remains unchanged. Furthermore, the railway superstructure, railway substructure and the new drainage system was also designed.
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Málek, Jiří. "Návrh modernizace železniční stanice Valašské Meziříčí." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-239996.

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The theme of this thesis is to design modernization of Valašské Meziříčí Railway Station. This thesis includes reconstruction of both station heads and the design of the platforms for the safe movement of persons with reduced mobility with seven platform edges in total. The thesis deals with the construction of the railway superstructure and substructure, including drainage.
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Svrček, David. "Porovnání technologií rekonstrukce traťové koleje." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2020. http://www.nusl.cz/ntk/nusl-409757.

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This diploma thesis is focused on design and comparison of open line track procedures of work between stations Hranice na Moravě město and Hustopeče nad Bečvou. Subject is reconstruction of railway superstructure and substructure in kilometrage 7,785 598 to 15,016 545 (except section 8,173 463 to 8,700 000) of track n°1. The target of the thesis is to optimize open line track procedures by variation of technologies and mechanization.
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Duong, Trong Vinh, and Trong Vinh Duong. "On the hydro-mechanical behavior of ancient railway flatforms in term of reinforcement by soil-mixing." Phd thesis, Université Paris-Est, 2013. http://pastel.archives-ouvertes.fr/pastel-00945680.

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The present work deals with the behavior of ancient railway sub-structure in France. A statistical study was firstly undertaken on problems occurred in the whole ancient French railway network. The analysis evidenced the particular importance of sub-grade quality for the performance of the sub-structure and the track geometry. Afterwards, an ancient railway line in the West of France was investigated. The analysis showed that the degradation speed of this line was correlated with different parameters such as the nature of sub-grades and the thickness of different layers. An increase trend of d
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Books on the topic "Railway substructure"

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Elkins, J. A. Interaction of Railway Vehicles with the Track and Its Substructure. CRC Press LLC, 2018.

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Elkins, J. A. Interaction of Railway Vehicles with the Track and Its Substructure. CRC Press LLC, 2018.

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Elkins, J. A. Interaction of Railway Vehicles with the Track and Its Substructure. CRC Press LLC, 2018.

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Elkins, J. A. Interaction of Railway Vehicles with the Track and Its Substructure. CRC Press LLC, 2018.

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Herbertov Workshop on Interaction of Railway Vehicles with the Track and its Substructure (3rd 1994 Herbertov, Czech Republic). Interaction of railway vehicles with the track and its substructure: Proceedings of the 3rd Herbertov Workshop on ... Swets & Zeitlinger, 1995.

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Book chapters on the topic "Railway substructure"

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Hackl, Klaus, Johannes Kirchhofer, and Josef Fink. "Investigation and Simulation of Dynamic Behaviour of Railway Bridges with Ballast Substructure." In The Eight International Conference "Bridges in Danube Basin". Springer Fachmedien Wiesbaden, 2013. http://dx.doi.org/10.1007/978-3-658-03714-7_17.

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Dobeš, Peter, Libor Ižvolt, and Stanislav Hodás. "Examining the Influence of Railway Track Routing on the Thermal Regime of the Track Substructure – Experimental Monitoring." In Advances in Intelligent Systems and Computing. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-35543-2_16.

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"Substructure." In Railway Geotechnics. CRC Press, 2015. http://dx.doi.org/10.1201/b18982-5.

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Wang, Ping. "Design of Rail Substructure and Components." In Design of High-Speed Railway Turnouts. Elsevier, 2015. http://dx.doi.org/10.1016/b978-0-323-39617-2.00009-6.

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Náprstek, J. Ř. Í., and Ladislav Frýba. "Stochastic Modelling of Track and its Substructure." In Interaction of Railway Vehicles with the Track and its Substructure. Routledge, 2018. http://dx.doi.org/10.1201/9780203750490-23.

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Grassie, Stuart L. "Track Deflections and Macroscopic Movement of Railway Embankment." In Interaction of Railway Vehicles with the Track and its Substructure. Routledge, 2018. http://dx.doi.org/10.1201/9780203750490-13.

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Moravčík, Milan. "Response of Railway Track on Nonlinear Discrete Supports." In Interaction of Railway Vehicles with the Track and its Substructure. Routledge, 2018. http://dx.doi.org/10.1201/9780203750490-22.

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Okstad, E. "RAMS processes in railway-substructure engineering for improved project quality." In Advances in Safety, Reliability and Risk Management. CRC Press, 2011. http://dx.doi.org/10.1201/b11433-388.

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Knothe, Klaus. "Past and Future of Vehicle/Track Interaction." In Interaction of Railway Vehicles with the Track and its Substructure. Routledge, 2018. http://dx.doi.org/10.1201/9780203750490-1.

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Mauer, Lutz. "Determination of Track Irregularities and Stiffness Parameters with Inverse Transfer Functions of Track Recording Vehicles." In Interaction of Railway Vehicles with the Track and its Substructure. Routledge, 2018. http://dx.doi.org/10.1201/9780203750490-10.

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Conference papers on the topic "Railway substructure"

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Olhoeft, Gary R., and Ernest T. Selig. "Ground-penetrating radar evaluation of railway track substructure conditions." In Ninth International Conference on Ground Penetrating Radar (GPR2002), edited by Steven Koppenjan and Hua Lee. SPIE, 2002. http://dx.doi.org/10.1117/12.462264.

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Esmaeili, M. H., M. Naeimi, B. Soltani, and M. Afsartaha. "Reducing Slab Track Vibrations by Using Asphalt Concrete in the Substructure." In 2016 Joint Rail Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/jrc2016-5766.

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Vibrations of the slab track system propagated to the environment are estimated for railway tracks in which substructures are made from hot mix asphalt concrete (HMAC) and/or rubber modified asphalt concrete (RMAC). Sensitivity analysis is done to determine the ability of such layers to reduce vibrations with various frequencies, load amplitude and thicknesses of asphalt layers. Different types of substructures i.e. with or without the concrete base layer are used to assess propagated vibrations caused by the moving train. A finite element (FE) model of the ballast-less track substructure is b
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Taiyin, Zhao, and Zhou Zhengou. "Railway Substructure Lacuna Detection Using a Forward-Looking SAR GPR." In 2006 CIE International Conference on Radar. IEEE, 2006. http://dx.doi.org/10.1109/icr.2006.343196.

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Kolos, Alexey, Andrei Petriaev, and Anastasia Konon. "Study on railway elastic substructure vibration under heavy axle load." In PROCEEDINGS OF THE SCIENTIFIC CONFERENCE ON RAILWAY TRANSPORT AND ENGINEERING (RTE 2021). AIP Publishing, 2021. http://dx.doi.org/10.1063/5.0063961.

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Laskowska, Ewa, and Jørn Vatn. "Degradation modelling of railway infrastructure." In IABSE Congress, Christchurch 2021: Resilient technologies for sustainable infrastructure. International Association for Bridge and Structural Engineering (IABSE), 2021. http://dx.doi.org/10.2749/christchurch.2021.0935.

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<p>In this paper the Wiener process with linear drift is proposed as a degradation model for the railway substructure. The model is based on the empirical data describing loss of tracks quality over the distance of one kilometre. The impact of explanatory variables on tracks degradation is investigated. The Bayesian framework is applied to examine uncertainty in the development of degradation for different sections along the tracks.</p>
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Sussmann, Theodore R., and James P. Hyslip. "Track Substructure Design Methodology and Data." In 2010 Joint Rail Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/jrc2010-36232.

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Track substructure design is an often overlooked step in the design of railroad track. The lack of consideration for the substructure when designing track results in greater maintenance demands due to inadequate track substructure performance. Railway track is a stable structure with a progressive failure process that allows track engineers to manage the degradation of the track through maintenance. However, increasing demands for track availability from high traffic volumes require that track maintenance be minimized while ensuring safety. Additionally, developing high speed rail and intercit
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Rohrman, A. K., H. F. Kashani, and C. L. Ho. "Influence of Fouling and Water Content of Ballast on Railway Substructure Bearing Capacity." In 2017 Joint Rail Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/jrc2017-2286.

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The performance of ballasted railway systems is commonly compromised by the infiltration of fine material into the voids of the ballast. This sand and finer grained materials in the ballast is known as fouling. Increased fouling can cause decreases in hydraulic conductivity and shear strength of the ballast, as well as reduce stiffness and resilient modulus of the overall track system. These problems can cause gradual deterioration of the track, which could eventually require maintenance. One of the largest source of fouling comes from ballast breakdown resulting from abrasion caused under rep
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Shahin, Mohamed A., and Buddhima Indraratna. "Parametric Study on the Resilient Response of Ballasted Railway Track Substructure Using Numerical Modeling." In GeoCongress 2006. American Society of Civil Engineers, 2006. http://dx.doi.org/10.1061/40803(187)85.

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Fu, Qinghong, Xianhua Chen, Gang Xu, and Fengmin Sun. "Performance Evaluation of SBS+CR Composite Modified Asphalt Binder and Mixture for Railway Substructure." In 19th COTA International Conference of Transportation Professionals. American Society of Civil Engineers, 2019. http://dx.doi.org/10.1061/9780784482292.083.

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Caorsi, S., G. Cevini, F. Burro, M. Sciotti, and S. Sorge. "An innovative on-board processor for the real-time GPR monitoring of railway substructure conditions." In 2007 4th International Workshop on, Advanced Ground Penetrating Radar. IEEE, 2007. http://dx.doi.org/10.1109/agpr.2007.386568.

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