Railway ballast

Book chapter (2022)

Authors

Y. Guo Railway Engineering -

Guoqing Jing Beijing Jiaotong University

V.L. Markine Railway Engineering -

Research Group

Railway Engineering () (TU Delft)

DOI: https://doi.org/10.1016/B978-0-12-821042-0.00021-6

Image analysis Particle image velocimetry Ballast degradation Railway ballast Ballast morphology Ballast rheology Ballast assessment Ballast inspection

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Published Date

2022

Language

English

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Faculty

Civil Engineering & Geosciences

Department

Engineering Structures

Research Group

Railway Engineering

Abstract

Railway ballast is normally made of crushed rocks with grading (particle size distributions). Ballast is inevitably suffering from more rapid degradation. Because ballast keeps undergoing and dissipating most of the train loadings, furthermore, the train speed and freight weight are increasing, causing more intensive loadings to ballast. To prolong ballast service time and reduce ballast maintenance cost, more studies need to be performed on the ballast degradation reduction, ballast inspection, and ballast assessment. Therefore, earlier distinguished studies on these three aspects are introduced, summarized and discussed in this chapter, toward the final goal of providing research gaps, engineering guidance, and maintenance advice.

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