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During heavy haul operations, ballast progressively deteriorates and the infiltration of fluidized fines (mud pumping) from the underlying substructure and subgrade decreases its shear strength and also impedes drainage, while increasing track deformation and associated maintenance.    Features:         serves as a useful guide to assist the practitioner in new track design as well as remediating existing tracks.    research discussed in this book has made considerable impact on the railway industry.    resulting from collaborative research between academia and industry, incorporating sophisticated laboratory tests, computational modelling and field studies.    This book presents a comprehensive procedure for the design of ballasted tracks based on a rational approach that combines extensive laboratory testing, computational modelling and field measurements conducted over the past two decades. 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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.","brand":"WoB","offers":[{"title":"- \/ - \/ -","offer_id":51306836394257,"sku":"","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"US \/ NEW \/ INGRAM","offer_id":51306838950161,"sku":"NIN9781032244914","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"GB \/ NEW \/ INGRAM","offer_id":52130956574993,"sku":"NLS9781032244914","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/1032244917.jpg?v=1751142952"},{"product_id":"waste-materials-utilisation-for-transport-infrastructure-book-buddhima-indraratna-9781032309057","title":"Waste Materials Utilisation for Transport Infrastructure","description":"As natural geologic materials become scarce, nations around the world are embracing a circular economy perspective to reduce their carbon footprint. This book provides a unique perspective on this shift by highlighting several methods of waste materials recycling for use in civil infrastructure construction and transportation geotechnics.  The authors explore innovative and cost-effective solutions to modern-day waste management problems through the use of granular waste materials from mining and mineral processing industries, power plants, steel manufacturing, rubber tyres, and demolished buildings in construction and soft ground stabilisation. This book contains a rich repository of experimental studies conducted on recycled materials and industry byproducts using static and dynamic geotechnical testing, 1:1 scale physical modelling through large-scale process simulation testing, and fully instrumented field monitoring. With fresh insights from international experts, this book will transform transportation infrastructure practices into a new paradigm.   This is a valuable resource for academics, practitioners, and postgraduate researchers in the fields of transportation geotechnics, ground improvement, and sustainable infrastructure engineering.","brand":"WoB","offers":[{"title":"- \/ - \/ -","offer_id":51631178678545,"sku":"","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"GB \/ NEW \/ GARDNERS","offer_id":51631178907921,"sku":"NGR9781032309057","price":0.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/1032309059.jpg?v=1751268957"},{"product_id":"recent-advances-and-innovative-developments-in-transportation-geotechnics-book-buddhima-indraratna-9789819782444","title":"Recent Advances and Innovative Developments in Transportation Geotechnics","description":"The book will contain the collection of keynote and invited papers of the 5th International Conference on Transportation Geotechnics.","brand":"WoB","offers":[{"title":"GB \/ NEW \/ GARDNERS","offer_id":52153669976337,"sku":"NGR9789819782444","price":0.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/9789819782444.jpg?v=1769681378"},{"product_id":"mechanics-of-ballasted-rail-tracks-book-buddhima-indraratna-9780415383295","title":"Mechanics of Ballasted Rail Tracks","description":"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.","brand":"WoB","offers":[{"title":"GB \/ NEW \/ INGRAM","offer_id":52334345814289,"sku":"NLS9780415383295","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"US \/ NEW \/ INGRAM","offer_id":53080861311249,"sku":"NIN9780415383295","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/9780415383295.jpg?v=1758156592"},{"product_id":"geotechnical-problems-and-solutions-book-buddhima-indraratna-9781138489448","title":"Geotechnical Problems and Solutions","description":"This book covers problems and their solution of a wide range of geotechnical topics. Every chapter starts with a summary of key concepts and theory, followed by worked-out examples, and ends with a short list of key references. 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Reference guide for practitioners to assist in determining solutions to complex geotechnical problems via simple methods.","brand":"WoB","offers":[{"title":"GB \/ NEW \/ INGRAM","offer_id":52430181335313,"sku":"NLS9781138489448","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"US \/ NEW \/ INGRAM","offer_id":53036108939537,"sku":"NIN9781138489448","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/9781138489448.jpg?v=1759168997"},{"product_id":"ground-improvement-case-histories-book-buddhima-indraratna-9780081006986","title":"Ground Improvement Case Histories","description":"Written by an international group of contributors, Ground Improvement Case Histories: Compaction, Grouting and Geosynthetics provides over 700 pages of international case-histories. 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