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Mohammed Y. Fattah, Qutaiba G. Majeed and Hasan H. Joni
The theoretical and practical studies of the cyclic loads resulting from the movement and passage of trains on the unsaturated subgrade to determine the effect of the degree of saturation and moisture content on the foundations and infrastructure of the ...
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Enrique Aldao, Higinio González-Jorge, Luis Miguel González-deSantos, Gabriel Fontenla-Carrera and Joaquin Martínez-Sánchez
The inspection and maintenance of track ballast are fundamental tasks for the preservation of the condition of railway networks. This work presents an application based on a low-cost solid-state LiDAR system, which allows the user to accurately measure t...
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Balázs Eller, Majid Movahedi Rad, Imre Fekete, Szabolcs Szalai, Dániel Harrach, Gusztáv Baranyai, Dmytro Kurhan, Mykola Sysyn and Szabolcs Fischer
The current paper concerns the investigation of CC (Concrete Canvas), a unique building material from the GCCM (geosynthetic cementitious composite mat) product group. The material is suitable for trench lining, trench paving, or even military constructi...
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Stefan Marschnig, Ursula Ehrhart and Stefan Offenbacher
The positive effects of under sleeper pads have already been proven by track and laboratory tests worldwide. In Austria, padded concrete sleepers reduce track deterioration by 50 percent and have therefore been used as standard components since 2010. As ...
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Daniel Bassey, Ben Ngene, Isaac Akinwumi, Victor Akpan and Gideon Bamigboye
Across the world, ballasted railway tracks are utilised extensively due to their cost efficiency, ease of drainage, and capacity to withstand cyclic imposed loadings from heavy trains. In spite of these benefits, the ballast is often considered as a flex...
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Bongsik Park, Yeong-Tae Choi and Hyunmin Kim
The advancement in digital image analysis methods has led to the development of various techniques, i.e., quantification of ballast gravel abrasion. In this study, the recognition rate of gravel aggregates has been significantly increased by improving th...
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Jae-Ik Lee, Kyu-Hwan Oh and Yong-Gul Park
Track impact factor (TIF) is a coefficient for estimating the increase of train dynamic load and is a major factor for the evaluation of dynamic stability of railway tracks. Many kinds of TIF in ballasted and ballast-less slab tracks consider only speed ...
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Kyuhwan Oh, Jaeik Lee, Junhyeok Choi and Yonggul Park
Countries such as Korea adopt design codes, evaluation criteria and specifications from standards originating abroad; this leads to a lack of distinction of the separate applications of dynamic stability evaluation parameters between various track struct...
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Luis Gézero and Carlos Antunes
The railway structures need constant monitoring and maintenance to ensure the train circulation safety. Quality information concerning the infrastructure geometry, namely the three-dimensional linear elements, are crucial for that processes. Along with t...
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E. Juhasz,S. Fischer
Pág. 96 - 109
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