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Slab Upwarping of Twin-Block Slab Track on Subgrade–Bridge Transition Section
Transportation Research Record: Journal of the Transportation Research Board, 2014This study is a preliminary analysis of the causes of upwarping of reinforced concrete slabs of a twin-block slab track, specifically on the subgrade–bridge transition section. The analysis considers the structural features and force characteristics of slab track on the basis of site investigations and numerical simulation, and a corresponding repair ...
Juanjuan Ren +4 more
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Floating track slab isolation for railways
Journal of Sound and Vibration, 1977Where an underground railway is in existence, it is up to the developer to take what precautions may be necessary to provide an acceptable interior environment. Many a building has been isolated on resilient bearings from the ground-borne vibrations produced by an adjacent railway with the result that the occupants are unaware of the trains running ...
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Design and Behavior of RPC Slab Track
Applied Mechanics and Materials, 2014Reactive Powder Concrete is proposed to be used in the ballastless track for its excellent material properties due to existing problems of high speed railway ballastless track. Three different unit types of RPC frame slab track were proposed through optimization design and the mechanical behavior of these frame slab track was analyzed. The results show
Jian Yang, Jin Sheng Wang, Xin Peng
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LCA comparison of slab track vs. ballasted track
International Conference on Road and Rail InfrastructureWhen it comes to reducing the rail systems' ecological footprint, it is essential to assess and compare lifecycle (LC) greenhouse gas (GHG) emissions. In the presented study this is executed for the two main railway track construction types: ballasted track and slab track.
Dieter Knabl, Matthias Landgraf
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Vibration isolation performance of isolated slab track
The Journal of the Acoustical Society of America, 2012Isolated slab tracks (IST) have been used in a number of existing railway lines in Hong Kong to reduce viaduct re-radiated noise and groundborne noise. The design has adopted both profiled-type and full-space elastomeric mat, placed underneath the concrete track slab to reduce trackform vibration transmission to the supporting structure.
Wilson Ho +4 more
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Concrete Slab Track State of the Practice
Transportation Research Record: Journal of the Transportation Research Board, 2001Railway track technology has evolved over a period of 150 years since the first railroad track on timber ties was introduced. For much of this period, the conventional track system, commonly referred to as the ballasted track system, has consisted of certain components including rails, ties, ballast, and the subgrade (roadbed). Over the last 20 years,
Tayabji, Shiraz D, Bilow, David
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Tracking slabs beneath northwestern Pacific subduction zones
Earth and Planetary Science Letters, 2012article i nfo Article history: This study uses the amplitudes of bottom-side reflected shear waves to constrain the morphology and dynam- ics of subducted oceanic lithosphere beneath northwestern Pacific subduction zones. Across Honshu arc, the 410- and 660-km seismic discontinuities are detected at the respective depths of 395±5 and 685±5 km within ...
Yu Jeffrey Gu +2 more
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Modeling Slab Track for Vehicle –Track-Coupled Dynamics Analysis Using Spline Function Method
International Journal of Structural Stability and Dynamics, 2020This paper presents a new approach for modeling the slab tracks by using the spline function to derive an element that is capable of describing the vertical motions of the entire slab. The accuracy and advantages of the method are verified through comparison with the finite element method (FEM) by the frequency response analysis for the CRTS-III slab ...
Yang, Jianjin +2 more
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Dynamic slab segmentation due to brittle–ductile damage in the outer rise
Nature, 2021Taras Gerya, Thorsten Wolfgang Becker
exaly