SPECIFIC ASSESSMENT METHOD OF RAILWAY BALLAST PARTICLE DEGRADATION BASED ON UNIQUE LABORATORY TEST
Nauka ta progres transportu, 2018 Purpose. There are specific, standardized laboratory test methods to assess railway ballast particle degradation; they are the Los Angeles (EN 1097-2) and the Micro-Deval abrasion (EN 1097-1) tests. These testing methods can’t take into consideration the
S. Fischer +3 more
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Laboratory Evaluation of Railway Ballast Consolidation by the Non-Destructive Testing
Communications, 2019 The property of railway track to resist the irreversible deformation for a long-term operational loading considerably depends on the ballast layer. The ballast layer is the element of a railway track whose mechanical properties and state are formed in ...
Mykola Sysyn +4 more
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A CFD-DEM Based Numerical Investigation of Debris Flow on Ballasted Railway Track [PDF]
E3S Web of Conferences, 2023 Debris flow occurring in mountainous areas can cause issues to railway tracks. Debris flow may cause large track deformation and even track breakage and introduce server ballast fouling afterwards. After the flash of a debris flow, the fine particles can
Gong Yufeng, Qian Yu
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Civil and Environmental Engineering, 2023 Based on the quality control diagnostics of the used base layers on the interstation railway section Palárikovo - Nové Zámky, the article analyzes the achieved results of static load tests that were carried out on the plane of the sub-ballast upper ...
Ižvolt Libor +3 more
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How to create a full-wave GPR model of a 3D domain of railway track bed? [PDF]
, 2017 Ground-penetrating radar (GPR) investigations of railway track beds are becoming more important nowadays in civil engineering. The manufacturing of representative full-scale scenarios in the laboratory environment for the creation of databases can be a ...
Alani, Amir +6 more
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Protection of under ballast mats against damage Due to loads from railroad tracks [PDF]
Przegląd Komunikacyjny, 2022 : The paper presents the application of geogrids with uniform radial stiffness in subgrade structures in the function of protecting under ballast mats from damage caused by the railroad superstructure.
Remigiusz Duszyński
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Assessing the Role of Longitudinal Variability of Vertical Track Stiffness in the Long-Term Deterioration [PDF]
, 2016 The performance of the railway system in terms of dynamic loading is depending mainly on the track support conditions. Usually, the track stiffness is used as the main parameter to describe the support conditions and is defined as the ratio of the load ...
Bezin, Yann +2 more
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Optimization of Subgrade Structure Parameters of Ballasted Track Passenger Dedicated Line
Shanghai Jiaotong Daxue xuebao, 2021 In order to improve the force condition of ballasted railway subgrade structure and reduce maintenance cost, it is necessary to study the influence of subgrade structure parameters on subgrade dynamic response under train load.
WANG Wei +3 more
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The interaction between railway vehicle dynamics and track lateral alignment [PDF]
, 2016 Track geometry deteriorates with traffic flow, thus it needs to be regularly restored using tamping or other method. As the deterioration is mainly in the vertical direction this aspect has been widely studied and models for its analysis developed ...
Cencen Gong +3 more
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SPECIAL LABORATORY TESTING METHOD FOR EVALUATION PARTICLE BREAKAGE OF RAILWAY BALLAST MATERIAL
Nauka ta progres transportu, 2018 Purpose. There are special, standardized laboratory test methods to evaluate railway ballast particle breakage; they are the Los Angeles and the Micro-Deval abrasion test.
S. Fischer, A. Németh
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