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Advanced Rail Geotechnology – Ballasted Track (2nd edition)
Loot Price: R5,434
Discovery Miles 54 340
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Advanced Rail Geotechnology – Ballasted Track (2nd edition)
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Total price: R5,454
Discovery Miles: 54 540
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Ballast plays a vital role in transmitting and distributing the
train wheel loads to the underlying track substructure. The
load-bearing capacity, safe train speed, and the levels of noise
and vibration, as well as passenger comfort depend on the behaviour
of ballast through particle interlocking and the corresponding
deformation of this granular assembly. Attrition and breakage of
ballast occur progressively under heavy and continual cyclic
loading, causing track deterioration and rail misalignment
affecting safety, while exacerbating the intensity of track
maintenance. In the absence of realistic computational models, the
track substructure is traditionally designed using mostly empirical
approaches. In this book, the authors present the detailed
information on the strength, deformation, and degradation aspects
of fresh and recycled ballast under monotonic, cyclic, and impact
loading using innovative geotechnical testing devices. A
constitutive model for ballast incorporating particle breakage is
presented representing a more realistic stress–strain response.
The mathematical formulations and numerical models are validated
using controlled experimental simulations and fully instrumented
field trials. Revised ballast gradation is described to provide
greater track resiliency and extended longevity. The book also
provides a detailed description of geosynthetics for substructure
improvement considering track deterioration caused by particle
degradation, fouling, and impeded drainage. New to this second
edition are extensive discussions on subgrade soil stabilisation,
causes and mechanisms of soil fluidisation (mud pumping) under
cyclic loading, and preventive and remedial measures to alleviate
undue instability of ballast tracks. This book should prove most
beneficial for final-year civil engineering students and for
postgraduate teaching and learning. It is an ideal supplement for
practising railway engineers and researchers engaged in the
challenging tasks of future track design for heavier and faster
trains.
General
Imprint: |
Taylor & Francis
|
Country of origin: |
United Kingdom |
Release date: |
August 2023 |
First published: |
2024 |
Authors: |
Buddhima Indraratna
• Cholachat Rujikiatkamjorn
• Wadud Salim
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Dimensions: |
246 x 174mm (L x W) |
Pages: |
444 |
Edition: |
2nd edition |
ISBN-13: |
978-1-03-224491-4 |
Categories: |
Books
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LSN: |
1-03-224491-7 |
Barcode: |
9781032244914 |
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