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"Ballast plays a vital role in transmitting and distributing the train wheel loads to the underlying sub-ballast and subgrade. Bearing capacity of track, train speed, riding quality and passenger comfort all depend on the stability of ballast through mechanical interlocking of particles. Ballast attrition and breakage occur progressively under heavy cyclic loading, causing track deterioration and rail misalignment affecting safety, and also demanding frequent and costly track maintenance. In the absence of realistic constitutive models, the track substructure is traditionally designed using 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 new stress-strain constitutive model for ballast incorporating particle breakage is presented. The mathematical formulations and numerical models are validated using experimental evidence and field trials. The effectiveness of various commercially available geosynthetics for enhancing track drainage and stability is elucidated. Revised ballast gradations are presented for modern high speed trains capturing particle breakage. This book should prove useful for final year civil engineering students and postgraduates, and for practicing railway engineers with the task of modernizing existing designs for heavier and faster trains"--Provided by publisher.
"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"--Provided by publisher.
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01
Advanced Rail Geotechnology - Ballasted Track
2023, CRC Press LLC
in English
1032244917 9781032244914
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02
Advanced Rail Geotechnology - Ballasted Track
2023, CRC Press LLC
in English
1032244941 9781032244945
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03
Advanced Rail Geotechnology - Ballasted Track
2018, Taylor & Francis Group
in English
1138072893 9781138072893
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04
Advanced Rail Geotechnology - Ballasted Track
2012, CRC Press LLC
in English
1466538767 9781466538764
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05
Advanced Rail Geotechnology - Ballasted Track
2011, Taylor & Francis Group
in English
1136717439 9781136717437
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06
Advanced rail geotechnology--ballasted track
2011, CRC Press/Balkema
in English
041566957X 9780415669573
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07
Advanced Rail Geotechnology - Ballasted Track
2011, Taylor & Francis Group
in English
1136717390 9781136717390
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08
Advanced Rail Geotechnology Ballasted Track
2011, Taylor & Francis Group
in English
1322629099 9781322629094
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09
Advanced Rail Geotechnology - Ballasted Track
2011, Taylor & Francis Group
in English
0429212917 9780429212918
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10
Advanced Rail Geotechnology - Ballasted Track
2011, Taylor & Francis Group
in English
1136717447 9781136717444
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August 25, 2020 | Created by ImportBot | Imported from Better World Books record |