Bibliografie tematiche / Railway Earthwork

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Letteratura scientifica selezionata sul tema "Railway Earthwork"

Autore: Grafiati

Pubblicato: 22 febbraio 2025

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Articoli di riviste sul tema "Railway Earthwork"

Deng, Naifu, Xuyang Li e Yanmin Su. "Optimization of Earthwork Allocation Path as Vehicle Route Problem Based on Genetic Algorithm". E3S Web of Conferences 165 (2020): 04057. http://dx.doi.org/10.1051/e3sconf/202016504057.

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In civil engineering, earthwork, prior to the construction of most engineering projects, is a lengthy and time-consuming work involving iterative processes. The cost of many AEC (Architecture, Engineering and Construction) projects is highly dependent on the efficiency of earthworks (e.g. road, embankment, railway and slope engineering). Therefore, designing proper earthwork planning is of importance. This paper simplifies the earthwork allocation problem to Vehicle Route Problem (VRP) which is commonly discussed in the field of transportation and logistics. An optimization model for the earthwork allocation path based on the modified Genetic Algorithm with a self-adaptive mechanism is developed to work out the global optimal hauling path for earthwork. The research results also instruct the initial topographic shaping of the Winter Olympic Skiing Courses Project. Furthermore, this optimization model is highly compatible with other evolutionary algorithms due to its flexibility, therefore, further improvement in this model is feasible and practical.

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Bezgin, Niyazi Özgür. "Use of geosynthetics to reduce the required right-of-way for roadways and railways". Challenge Journal of Structural Mechanics 4, n. 2 (9 giugno 2018): 54. http://dx.doi.org/10.20528/cjsmec.2018.02.003.

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Roadway and railway routes require a right-of-way (ROW) to provide the necessary width for the required travelled way, drainage and earthwork. Correct understanding of ROW along a route is necessary in order to establish a correct width for the intended transportation corridor. Availability of land becomes scarce and cost of land increases in urban zones. Therefore, the costs of establishing a ROW in rural areas and in urban areas are not the same. Earthworks are an important component of route establishment. The required excavations and fills necessitate the use of proper side slopes for the stability of the excavation or the fill. These side slopes directly relate to the mechanical properties of the soil and the depth of the earthwork. This study provides a quantitative and a qualitative understanding of the ROW requirements of roadways and railways and the influence of the earthworks on the determined values of the ROW. The study further investigates the benefits of using geogrids to reduce the necessary ROW for a transportation route through finite element analysis.

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Zhang, Qinglong, Naifu Deng, Yanwen Zhu e Zhenping Huang. "Multidepot Two-Echelon Vehicle Routing Problem for Earthwork Allocation Optimization". Mathematical Problems in Engineering 2022 (29 gennaio 2022): 1–14. http://dx.doi.org/10.1155/2022/8373138.

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Prior to the construction of most engineering projects, earthwork is a complex and time-consuming task, requiring iterative operations in civil engineering. The effectiveness of earthworks determines the cost of many AEC (architecture, engineering, and construction) projects (e.g., road, embankment, railway, and slope engineering). As a result, creating effective earthwork planning is critical. The earthwork allocation problem is simplified in this study to the vehicle route problem (VRP), which is often studied in the field of transportation and logistics. An optimization model for the earthwork allocation path based on the modified genetic algorithm with a self-adaptive mechanism is developed to work out the global optimal hauling path for earthwork. The findings of the study are also used to shape the basic topographic shape of the Winter Olympic Skiing Course Project. Furthermore, a comparative study with the former methods is conducted to validate the performance of our proposed method on tackling such a multidepot two-echelon vehicle routing problem. Because of its flexibility, this optimization model is extremely compatible with various evolutionary methods in many fields, making future development viable and practicable.

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Dostanova, Saule, Zaure Kalpenova, Saulet Shayakhmetov, Gulsum Kasymova e Kamilya Tokpanova. "Nonlinear models of the soil base for slab culculations". EUREKA: Physics and Engineering, n. 5 (10 settembre 2024): 41–54. http://dx.doi.org/10.21303/2461-4262.2024.003484.

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The proposed algorithm for calculating the base of dense clay soils was used in the calculation of rigid airfield and automobile coverings, railway embankments and slab foundations of large structures and in the body of earthworks (earthwork of hydraulic structures, earthwork of railways and highways, earthen dams) under static influences. The results of their numerical calculations showed that the linear models of such structures differ significantly from the real behavior of the soil, taking into account their plastic and rheological properties (sediments are underestimated by 2–3 times). The modules of soil deformation G (shear resistance) decrease when using nonlinear models, which leads to an increase in rheological and plastic properties, this process depends on the rate of intensity of deformations and stresses. All this must be taken into account when constructing and operating large and responsible structures. This requires a deeper study of the soil properties, confirmed by experimental data. In this work the equations of the soil state, experimentally obtained using triaxial compression devices, were used and an algorithm for calculating the soil base was compiled on their basis. The advantage of this algorithm is that it allows to obtain solutions for 3 base models and evaluate their effect on the stress-strain state inside the considered array and under the sole of the slab foundation. This is especially important for predicting the sediment of foundations for large-scale buildings and structures and the operation of the body of earthworks

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Gumus, K. A., e V. E. Gulal. "A COMPARATIVE EARTHWORK AND COST ANALYSIS OF IMPROVING AN EXISTING RAILWAY LINE AND CONSTRUCTING A NEW HIGH-SPEED LINE IN TURKEY". ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-2/W1 (26 ottobre 2016): 13–18. http://dx.doi.org/10.5194/isprs-archives-xlii-2-w1-13-2016.

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In the past few decades, high-speed railways have become an important transportation system due to their high operational speed, and globally, the networks of these railways have been extended. In addition, there is ongoing work on the construction of new high-speed railways as well as improving existing lines to achieve the same operational speed. To contribute to high-speed railway works in Turkey, this study compared two high-speed railway lines; an existing conventional line, the design of which was improved, and a new high-speed line. The design of an existing conventional railway line was improved according to optimal geometric characteristics of high-speed railways and an alternative line was simulated. These two lines were evaluated on three different types of land in terms of the required volume of earthworks, engineering structures and total cost. The results show that the length of the conventional line was reduced after the improvement process; however, new engineering structures are needed. Furthermore, compared to the alternative line, the track length and total length of engineering structures required for the improvement of the existing line was shorter and the volume of required earthworks was less resulting in lower costs.

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Ižvolt, Libor, e Peter Dobeš. "Measurements Result Analysis of Deformation Characteristics of Transition Zones on the Modernized Line Púchov – Považská Teplá". Civil and Environmental Engineering 17, n. 2 (1 dicembre 2021): 353–60. http://dx.doi.org/10.2478/cee-2021-0037.

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Abstract The current trend in Europe and worldwide is to support the development of so-called green transport, characterized by lower energy consumption and lower CO2 emissions. Rail transport meets these conditions and therefore considerable funding is being spent not only on the construction of high-speed lines but also on the modernization of existing railways, especially those forming part of the trans-European corridors. Three corridors of the basic TEN-T network pass through the territory of the Slovak Republic. In the Žilina Region, there are two corridors, Balt – Adriatic and Rhine – Danube, with a common section Púchov – Žilina, which is currently being modernized. It is a known fact that railway lines often show a greater degree of degradation in the transition zones between the earthwork and the structures of sub-ballast layers. Since every railway infrastructure management aims to minimize maintenance costs, while ensuring the safety and comfort of passengers, it is necessary to pay increased attention also to transiton zones. In this context, the presented paper deals with the analysis of values of deformation characteristics on the modernized line section Púchov – Považská Teplá, which is characterized by several bridge structures and tunnels. The values were obtained within the quality inspection of work in transition zones located between the earthwork and the structures of sub-ballast layers.

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Kazarina, V. V., e V. A. Podverbniy. "Decision-Making on Choosing a Railway Line Option". World of Transport and Transportation 17, n. 3 (27 settembre 2019): 140–51. http://dx.doi.org/10.30932/1992-3252-2019-17-3-140-151.

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This article proposes a solution to the problem of choosing an option for routing of a railway line among two previously developed options. As initial data, materials were used for designing Elegest–Kyzyl–Kuragino railway line. On this section, two routing options are considered, which must be compared in order to choose the best one. The first option of the line (Eastern) takes place in a recess outside the village of Podgorny, which excludes the cost of demolition of residential buildings and relocation of residents, but provides for a large amount of earthwork. In the second option (Western), the line is laid through the village of Podgorny. With this development of the line, the volume of earthwork is much smaller, but it is necessary to take into account demolition of residential buildings, relocation of residents, as well as installation of noise barriers.The conclusion drawn by the designers of CJSC Vostsibtransproekt was reviewed and analyzed. During the study, the applied decision-making method required some refinement with regard to this problem and additional analysis. To select the best option, the analytic hierarchy process was used.

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Chumyen, P., D. P. Connolly, P. K. Woodward e V. Markine. "A comparison of earthwork designs for railway transition zones". Construction and Building Materials 395 (settembre 2023): 132295. http://dx.doi.org/10.1016/j.conbuildmat.2023.132295.

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Briggs, K. M., J. A. Smethurst, W. Powrie, A. S. O’Brien e D. J. E. Butcher. "Managing the extent of tree removal from railway earthwork slopes". Ecological Engineering 61 (dicembre 2013): 690–96. http://dx.doi.org/10.1016/j.ecoleng.2012.12.076.

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Qian, Luyu, e Xueying Bao. "On the Optimal Allocation of Earthwork in Railway Subgrade Based on Green Construction". Journal of Engineering Studies 11, n. 01 (1 febbraio 2019): 64–74. http://dx.doi.org/10.3724/sp.j.1224.2019.00064.

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Tesi sul tema "Railway Earthwork"

Burzawa, Audrey. "Diagnostic multi-échelle de la plateforme ferroviaire par ondes mécaniques guidées". Electronic Thesis or Diss., Sorbonne université, 2024. http://www.theses.fr/2024SORUS483.

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La caractérisation de l'état mécanique des plateformes ferroviaires (PF) est essentielle pour garantir la sécurité et la pérennité du réseau ferré. Les méthodes d'investigation géotechniques, couramment utilisées, permettent d'accéder aux paramètres mécaniques mais ne fournissent qu'un aperçu épars de l'état du milieu investigué et restent donc limitées par leur nature ponctuelle et leur faible rendement. En parallèle, les méthodes géophysiques capables d'apprécier la qualité mécanique des couches de la PF sont actuellement peu adaptées au contexte ferroviaire. Les récents développements et applications de la méthode sismique par ondes de surface dans les problématiques géotechniques et ferroviaires en font une technique d'investigation non destructive prometteuse. Une preuve de concept démontrant la faisabilité et la reproductibilité de la méthode sismique par ondes de surface pour la caractérisation des PF a donc été réalisée sur un site pilote. Cette méthode a montré qu'elle était capable de détecter des variations des propriétés mécaniques en lien avec des désordres de la plateforme. La formulation bayésienne de l'inversion a permis d'évaluer et de quantifier les incertitudes sur les résultats obtenus, offrant ainsi un outil d'aide à la décision. Les étapes d'acquisition et de traitement ont été abordées afin de proposer des outils à plus haut rendement et adaptés aux contraintes d'exploitation ferroviaire. Des techniques de mise en œuvre plus rapides, ne nécessitant pas l'étape fastidieuse d'implantation des géophones dans le sol, ont été évaluées. La comparaison d'un dispositif tracté de type landstreamer avec un dispositif classique a permis de valider son utilisation, tant sur les pistes que sur les voies. Afin d'automatiser la tâche de traitement des ondes de surface, consistant à pointer la dispersion, un outil basé sur de la segmentation d'images a été développé. La base de données utilisée pour l'apprentissage a été créée à partir de modèles de sol caractéristique des PF. Le modèle basé sur l'architecture U-Net, permet une identification précise des maxima d'énergie et une attribution des modes de propagation. Enfin, dans le but d'améliorer la complémentarité entre méthodes géophysiques et géotechniques lors de la construction des a priori et des interprétations, des tests de corrélation entre la vitesse de cisaillement et la résistance à la pénétration ont été menés. L'évaluation des lois de passage issues de la bibliographie a ainsi permis de faire le lien entre la méthode sismique par ondes de surface et les outils conventionnels de caractérisation des PF
Characterizing the mechanical properties of railway trackbeds (RT) is essential to ensure the safety and durability of the rail network. Currently, the geotechnical investigation methods used provide access to the mechanical parameters of the RT and the shallow railway earthwork (RE), but they only offer a scattered overview of the state of the medium being investigated, and are therefore limited by their ad hoc nature and low efficiency. Geophysical methods capable of conducting a mechanical diagnosis of the RT are, as of now, poorly adapted to the railway context. However, recent developments and applications of the seismic surface-wave method to geotechnical problems and the railway context make it a promising non-destructive investigation technique. A proof of concept was thus conducted at a pilot site, demonstrating the feasibility and reproducibility of the surface-wave method for characterizing RE. The method proved capable of detecting variations in mechanical properties associated with RT issues. The Bayesian formulation of the inversion allowed for the assessment and quantification of uncertainties in the proposed results, thereby offering a valuable decision-making tool. The acquisition and processing stages were addressed in order to propose more efficient tools. Faster implementation techniques that reduce the time-consuming step of installing geophones in the ground were evaluated. The comparison of a towed setup, such as a landstreamer, with a conventional setup was used to validate its application in a railway context, both on the cess and the track. A tool based on artificial intelligence algorithms, specifically image segmentation algorithms, was developed to automate the task of surface-wave dispersion picking. The database used for training was created from wavefield modeling in a soil model characteristic of RT. The developed U-Net architecture enables precise identification of energy maxima and assignment of propagation modes. Lastly, to enhance the complementarity between geophysical and geotechnical methods when constructing and interpreting a priori, correlation tests between shear-wave velocity and cone resistance were conducted. The evaluation of laws from the literature facilitated the link between the seismic surface-wave method and conventional RE characterization tools

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Libri sul tema "Railway Earthwork"

International Seminar on Geotechnics in Pavement and Railway Design and Construction (2004 Athens, Greece). Geotechnics in pavement and railway design and construction: Proceedings of the International Seminar on Geotechnics in Pavement and Railway Design and Construction : Athens, Greece, 16-17 December, 2004. Rotterdam, The Netherlands: Millpress, 2004.

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Company, North Shore Railway, a cura di. North Shore Railway: Engineer's report on the location between west end of former location (Oct., 10, 1872) and the city of Montreal. [Québec?: s.n., 1993.

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Earthwork in Railway Engineering. Creative Media Partners, LLC, 2018.

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Gardner, John W. F. Earthwork In Railway Engineering. Gardner Press, 2007.

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Earthwork In Railway Engineering. Franklin Classics, 2018.

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Crandall, Charles Lee. Tables for the Computation of Railway and Other Earthwork. Creative Media Partners, LLC, 2018.

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Li, Dingqing, Ted Sussmann, James Hyslip e Steven Chrismer. Railway Geotechnics. Taylor & Francis Group, 2015.

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Railway Geotechnics. Taylor & Francis Group, 2015.

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Hyslip, Jim. Railway Geotechnics. Routledge, 2013.

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Li, Dingqing, Ted Sussmann, James Hyslip e Steven Chrismer. Railway Geotechnics. Taylor & Francis Group, 2019.

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Capitoli di libri sul tema "Railway Earthwork"

Navaei, Tracey Najafpour, Simon Blainey, William Powrie e John Preston. "Decarbonisation of Small-Scale Railway Earthwork Interventions Using PAS 2080 Life-Cycle Methodology". In Lecture Notes in Civil Engineering, 199–207. Singapore: Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-8237-6_20.

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Pan, Mingliang, e Hanling Sun. "BIM Earthwork Calculation of Open Cut Section of Intercity Railway Based on BIM+GIS technology". In Proceedings of the 2023 5th International Conference on Hydraulic, Civil and Construction Engineering (HCCE 2023), 322–29. Dordrecht: Atlantis Press International BV, 2024. http://dx.doi.org/10.2991/978-94-6463-398-6_32.

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Liu, Zhibo, Feng Han, Guoqing Ni, Tao Liang e Miaomiao Qi. "3D Visualization of Railway Development Using GIS and BIM Techniques". In Advances in Transdisciplinary Engineering. IOS Press, 2020. http://dx.doi.org/10.3233/atde200233.

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Along with the proposal of the Belt and Road initiative, the Eurasian railway lines with China and Russia as the center are entering a new era of strategic coordination. Thus, carrying out digital location design with modern mapping information technology has become a necessary means for improving railway locating efficiency and quality. Employing the GIS-based large 3D strip terrain modeling approach and its application, the present study takes consideration in factors such as slope, relief, geological disasters, and locating-influencing surface features so as to construct the most economically efficient routes and form the optimal GIS-based plans and decisions. Specific railway lines undergo BIM locating design with an integrated use of Civil 3D and Infraworks360 software. Line modeling and earthwork calculation are conducted in the Civil 3D-based terrain curvature. Moreover, line model is imported into Infraworks360 to achieve a 3D roaming demonstration. A 3D visualized implementation of railway location design is made possible using GIS+BIM approach that improves locating efficiency and design quality.

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Saunders, Nicholas J. "Conflict on Jebel Sherra". In Desert Insurgency, 86–117. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198722007.003.0006.

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This chapter explores the town of Ma’an, the largest and most sophisticated conflict landscape of the Arab Revolt in the Great Arab Revolt Project (GARP) study area. It is the site of the largest set-piece battle of the campaign east of the Jordan River, where 4,000 Ottoman troops faced 3,000 Arabs in a fierce five-day struggle. In this respect, it was an anomaly—a true battle in an otherwise mainly guerrilla campaign. Ma’an Station and its hinterland was an archaeological challenge as well. The station itself was surrounded by extensive Turkish earthwork defences—crenelated trench systems interspersed with karakoll hilltop defences—sitting within what is still an active training ground for the Jordanian Army. However, the evidence was mounting that the defence of the railway was a very late affair, that it could be dated to within a few months, and that it had an instructive relationship with the earlier defences of the construction era.

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"Earthworks, Drainage and Fencing". In Practical Railway Engineering, 91–104. IMPERIAL COLLEGE PRESS, 1996. http://dx.doi.org/10.1142/9781860943744_0006.

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"Earthworks, Drainage and Fencing". In Practical Railway Engineering, 83–94. PUBLISHED BY IMPERIAL COLLEGE PRESS AND DISTRIBUTED BY WORLD SCIENTIFIC PUBLISHING CO., 2005. http://dx.doi.org/10.1142/9781860946851_0006.

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Smethurst, Joel, e William Powrie. "Railway Earthworks: Design and Performance". In Sustainable Railway Engineering and Operations, 91–111. Emerald Publishing Limited, 2022. http://dx.doi.org/10.1108/s2044-994120220000014006.

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Laird, C. L. "TN22. Serviceability failure of a new railway embankment". In FAILURES IN EARTHWORKS, 467–69. Thomas Telford Publishing, 1985. http://dx.doi.org/10.1680/fie.02432.0052.

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de Carvalho, M., D. Pauli, √Å Barbosa, N. Menetti, F. Ribeiro, J. Merighi, R. Fortes, B. Bento e M. Barros. "Study of dry sludge stabilization from Water Treatment Plant (WTP) in Taia√ßupeba to use as compacted soil in earthwork ditches". In Bearing Capacity of Roads, Railways and Airfields. CRC Press, 2009. http://dx.doi.org/10.1201/9780203865286.ch5.

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"Study of dry sludge stabilization from Water Treatment Plant (WTP) in Taiaçupeba to use as compacted soil in earthwork ditches". In Bearing Capacity of Roads, Railways and Airfields, Two Volume Set, 831–38. CRC Press, 2009. http://dx.doi.org/10.1201/9780203865286-98.

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Atti di convegni sul tema "Railway Earthwork"

Zhao, Bingqian, Binbin Tan, Qianfei Chen e Gehui Liu. "Railway Line Cross-Section Drawing and Earthwork Calculation Based on AutoCAD Secondary Development". In 20th COTA International Conference of Transportation Professionals. Reston, VA: American Society of Civil Engineers, 2020. http://dx.doi.org/10.1061/9780784482933.395.

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Wilkinson, P., J. Chambers, P. Meldrum, R. Swift, H. Harrison, J. Ngui, O. Kuras, J. Harms e G. Jessamy. "Trial of the PRIME System for Geoelectrical Condition Monitoring on Critical Railway Earthwork Infrastructure". In NSG2023 29th European Meeting of Environmental and Engineering Geophysics. European Association of Geoscientists & Engineers, 2023. http://dx.doi.org/10.3997/2214-4609.202320155.

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Edordu, C. J., e Yang Yang. "An energy efficient event detection protocol for infrastructure and earthwork condition monitoring using wireless sensor networks". In 5th IET Conference on Railway Condition Monitoring and Non-Destructive Testing (RCM 2011). IET, 2011. http://dx.doi.org/10.1049/cp.2011.0580.

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Donohue*, S., P. Bergamo, E. Hughes, D. A. Gunn, B. Dashwood, S. Uhlemann, J. E. Chambers e D. Ward. "ASSESSING CLIMATE EFFECTS ON RAILWAY EARTHWORKS USING MASW". In Symposium on the Application of Geophysics to Engineering and Environmental Problems 2015. Society of Exploration Geophysicists and Environment and Engineering Geophysical Society, 2015. http://dx.doi.org/10.4133/sageep.28-017.

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Donohue, S., D. A. Gunn, P. Bergamo, E. Hughes, B. Dashwood, S. Uhlemann, J. E. Chambers e D. Ward. "Assessing Climate Effects on Railway Earthworks Using MASW". In Near Surface Geoscience 2014 - 20th European Meeting of Environmental and Engineering Geophysics. Netherlands: EAGE Publications BV, 2014. http://dx.doi.org/10.3997/2214-4609.20141995.

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Phear, Alan, e Nick O'Riordan. "Earthworks for the Channel Tunnel Rail Link High Speed Railway, UK". In GeoTrans 2004. Reston, VA: American Society of Civil Engineers, 2004. http://dx.doi.org/10.1061/40744(154)154.

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Bezgin, Niyazi. "An investigation of reasons and consequences of deteriorated hydraulic capacities of culverts concerning railway track stability". In 8th International Conference on Road and Rail Infrastructure, 345–54. University of Zagreb Faculty of Civil Engineering, 2024. http://dx.doi.org/10.5592/co/cetra.2024.1518.

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The establishment of railway routes requires earthworks and the construction of tunnels, culverts, bridges, and viaducts. Railway routes can pass through highly variable regions in terms of geography, climate, hydrology, and land use, which require careful consideration of the possible effects of each aspect on the safety and serviceability of the railway service along a route. Culverts are very important civil engineering structures designed to allow passage across the railway route. Culverts are part of the railway substructure and most culverts are designed for hydraulic purposes. Hydraulic culverts can allow the passage of small streams and surface flows that arise after heavy rains and floods across the railway route. They must provide a sufficient cross-sectional area for the passage of current and future estimates of flow rates expected to occur across the railway route. The flow rate that the culvert can accommodate is the hydraulic capacity culvert, which is determined by the unobstructed cross-sectional area of a culvert. The hydraulic capacity of a culvert can deteriorate by sedimentation and can become insufficient due to climate changes that are unaccounted for and changing land use patterns. Therefore, the railway authority must monitor the states and functionalities of its culverts along its railway network and update their service lives with the ongoing changes that occur along the railway route that can influence the service lives of the culverts. This study elaborates on the conditions that can reduce the functionality of culverts and provides two case studies where reduced culvert functionality has resulted in the collapse of railway track structures and consequential train derailments.

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Al-Amin, Md, e Zahid Hossain. "Case Study of Modulus of Deformation of Railway Earthworks by Static Plate Load Test". In Tran-SET 2022. Reston, VA: American Society of Civil Engineers, 2022. http://dx.doi.org/10.1061/9780784484609.033.

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Burzawa, A., L. Bodet, M. Dangeard, J. Cardenas, N. Radic, R. Vidal, R. Whitehead et al. "Towards the Automation of MASW Data Acquisition and Processing for the Diagnosis of Railway Earthworks". In NSG 2024 30th European Meeting of Environmental and Engineering Geophysics, 1–5. European Association of Geoscientists & Engineers, 2024. http://dx.doi.org/10.3997/2214-4609.202420088.

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Wilcock, T., J. Mian e M. Niewiarowski. "Management of railway earthworks for adverse weather: Operational risk management as part of the wider asset management approach". In IET & IAM Asset Management Conference 2013. Institution of Engineering and Technology, 2013. http://dx.doi.org/10.1049/cp.2013.1931.

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