Wadud Salim's Books

Advanced Rail Geotechnology - Ballasted Track

By: Buddhima Indraratna,Cholachat Rujikiatkamjorn,Wadud Salim

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Advanced Rail Geotechnology - Ballasted Track

By: Buddhima Indraratna,Cholachat Rujikiatkamjorn,Wadud Salim

Ballast plays a vital role in transmitting and distributing 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 cyc

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Page Count

429

Publisher

CRC Press

Published Date

ISBN 10

0203815777

ISBN 13

9780203815779

Mechanics of Ballasted Rail Tracks

A Geotechnical Perspective

By: Buddhima Indraratna,Wadud Salim

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Mechanics of Ballasted Rail Tracks

A Geotechnical Perspective

By: Buddhima Indraratna,Wadud Salim

In this book, the authors discuss testing of ballast, including the strength, deformation and degradation aspects of fresh and recycled ballast under monotonic and cyclic loading. The effectiveness of geosynthetics in stabilising recycled ballast has also been examined. A new stress-strain constitutive model for ballast incorporating particle breakage is presented. Finally, a new range of particle gradations, balancing the strength and permeability requirements, has been proposed for future rail tracks. This book is intended as a reference text for final year civil engineering students and postgraduates, and for practicing railway engineers with the task of modernizing existing designs.

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Page Count

248

Publisher

CRC Press

Published Date

ISBN 10

0415383293

ISBN 13

9780415383295

Sumatran Warrior

Mighty Man of Love and Courage

By: Abdul Wadud Karim Amrullah

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Sumatran Warrior

Mighty Man of Love and Courage

By: Abdul Wadud Karim Amrullah

This autobiography is unlike most existing accounts about former Muslims. It does not contain pretentious words or sensationalism about the author or Islam. It shares the dynamic life experiences of a passionate soul, innately and eagerly desiring exciting adventures since being a young boy of Minangkabau descent in West Sumatra, Indonesia. This is the authors transformational life account, as he travelled through escapades from pain of war, romance, hope for lifes intense hardships, and discovering his destiny. He actively describes his Muslim upbringing and life after leaving Islam.

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Page Count

339

Publisher

WestBow Press

Published Date

ISBN 10

1512731811

ISBN 13

9781512731811

Advanced Rail Geotechnology – Ballasted Track

By: Buddhima Indraratna,Cholachat Rujikiatkamjorn,Wadud Salim

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Advanced Rail Geotechnology – Ballasted Track

By: Buddhima Indraratna,Cholachat Rujikiatkamjorn,Wadud Salim

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.

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Page Count

579

Publisher

CRC Press

Published Date

ISBN 10

1000925420

ISBN 13

9781000925425

Mechanics of Ballasted Rail Tracks

A Geotechnical Perspective

By: Buddhima Indraratna,Wadud Salim

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Mechanics of Ballasted Rail Tracks

A Geotechnical Perspective

By: Buddhima Indraratna,Wadud Salim

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Solve jigsaw puzzle

Age

Page Count

248

Publisher

CRC Press

Published Date

ISBN 10

0415383293

ISBN 13

9780415383295

Sumatran Warrior

Mighty Man of Love and Courage

By: Abdul Wadud Karim Amrullah

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Sumatran Warrior

Mighty Man of Love and Courage

By: Abdul Wadud Karim Amrullah

Average ratings

N/A

Write a review

Solve jigsaw puzzle

Age

Page Count

339

Publisher

WestBow Press

Published Date

ISBN 10

1512731811

ISBN 13

9781512731811

Book's by Wadud Salim

Advanced Rail Geotechnology - Ballasted Track

Advanced Rail Geotechnology - Ballasted Track

Mechanics of Ballasted Rail Tracks

Mechanics of Ballasted Rail Tracks

Sumatran Warrior

Sumatran Warrior

Advanced Rail Geotechnology – Ballasted Track

Advanced Rail Geotechnology – Ballasted Track

Mechanics of Ballasted Rail Tracks

Mechanics of Ballasted Rail Tracks

Sumatran Warrior

Sumatran Warrior

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