Buddhima Indraratna, Wadud Salim
Published August 11, 2005
Reference - 248 Pages - 153 B/W Illustrations
ISBN 9780415383295 - CAT# SW3293
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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.
1. Introduction 2. Track Structure and Loading 3. Factors Governing Ballast Behaviour 4. State-of-the-Art Triaxial Testing of Ballast 5. Behaviour of Ballast with and without Geosynthetics 6. Existing Deformation Models 7. A New Constitutive Model for Ballast 8. Track Drainage and Use of Geosynthetics 9. Track Maintenance