Laboratory Investigation Of A Novel Method To Accelerate Healing In Asphalt Mixtures Using Thermal Treatment
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Laboratory Investigation Of A Novel Method To Accelerate Healing In Asphalt Mixtures Using Thermal Treatment
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Author : Amit Bhasin
language : en
Publisher:
Release Date : 2009
Laboratory Investigation Of A Novel Method To Accelerate Healing In Asphalt Mixtures Using Thermal Treatment written by Amit Bhasin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Asphalt concrete categories.
Asphalt binders have an inherent ability to reverse damage in the form of micro-cracks that is caused due to the repeated action of external loads. This reversal occurs during rest periods between load cycles. The phenomenon of crack reversal is referred to as autogenous or self-healing. The main objective of this project was to apply established principles of healing to investigate a novel technique to accelerate reversal of accumulated micro-crack in asphalt mixtures. This technique was developed and evaluated using a laboratory scale set up. Laboratory tests were used to evaluate the impact of thermal treatment on the fatigue cracking life of asphalt mixtures. Results from this study indicate that for two out of the three different types of asphalt mixtures, intermittent application of the thermal treatment resulted in approximately 50% increase in the fatigue cracking life of the mixture.
Proceedings Of The Fifth International Conference Of Transportation Research Group Of India
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Author : Dharamveer Singh
language : en
Publisher: Springer Nature
Release Date : 2022-05-13
Proceedings Of The Fifth International Conference Of Transportation Research Group Of India written by Dharamveer Singh and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-05-13 with Technology & Engineering categories.
This book (in three volumes) comprises the proceedings of the Fifth Conference of Transportation Research Group of India (CTRG2019) focusing on emerging opportunities and challenges in the field of transportation of people and freight. The contents of the book include characterization of conventional and innovative pavement materials, operational effects of road geometry, user impact of multimodal transport projects, spatial analysis of travel patterns, socio-economic impacts of transport projects, analysis of transportation policy and planning for safety and security, technology-enabled models of mobility services, etc. This book will be beneficial to researchers, educators, practitioners and policymakers alike.
Evaluation Of Asphalt Binder And Asphalt Mixture Healing Based On Visco Elastic Continuum Damage Theory
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Author : Amirmohammad Bahadori
language : en
Publisher:
Release Date : 2020
Evaluation Of Asphalt Binder And Asphalt Mixture Healing Based On Visco Elastic Continuum Damage Theory written by Amirmohammad Bahadori and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with Pavements, Asphalt categories.
Fatigue cracking of asphalt pavements is one of the main distresses that reduces the serviceability of roads. The prediction of fatigue cracking in pavements is carried out using laboratory tests and mechanistic models. However, such predictions usually underestimate observed field performance. Their inability to suitably account for the self-healing capability of asphalt pavements is one of the key sources of the variation. This study presents a novel test method and a healing index based on Visco-Elastic Continuum Damage (VECD) theory to quantify the self-healing capacity of asphalt binders and mixes. The proposed asphalt binder healing test is a modification of the conventional Linear Amplitude Sweep (LAS) test, which not only considers the effect of rest periods but also minimizes the number of specimens required for the comprehensive analysis.A healing index based on released pseudo strain energy was developed to quantify the healing of asphalt binder and mixes. The analyses of healing indices for asphalt binders show that softer binders have better healing capacity at low damage levels. On the other hand, binders with higher performance grade have better healing capacity at higher damage levels. An increase in rest period duration was found to increase the healing index of asphalt binder. But the sensitivity of the healing index to the duration of rest periods decreased with damage accumulation. Studies conducted on the surface energy and intrinsic healing parameters of asphalt binder showed that the non-polar Lifshitz0́3van der Waals component of the surface energy correlated well with the healing of asphalt binder.In addition, stress-controlled fatigue tests with rest periods were used to study the healing of asphalt mixtures. The results showed that an increase in temperature and rest period duration enhanced the healing of asphalt mixes. Finally, the rest period, temperature, material integrity level, and surface energy of the asphalt binder were used to develop a phenomenological-based healing prediction model. It was verified on the healing results of a sample mix. The results of the statistical analysis of the variables demonstrated that the temperature had the highest effect on the healing of asphalt mixes.
Asphalt Cold Mix Manual
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Author : Asphalt Institute
language : en
Publisher:
Release Date : 2001-01-01
Asphalt Cold Mix Manual written by Asphalt Institute and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-01-01 with Aggregates (Building materials) categories.
Characteristics Of Asphalt Binders
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Author :
language : en
Publisher:
Release Date : 1996
Characteristics Of Asphalt Binders written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Asphalt categories.
Proceedings Of The 9th International Conference On Maintenance And Rehabilitation Of Pavements Mairepav9
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Author : Christiane Raab
language : en
Publisher: Springer Nature
Release Date : 2020-06-19
Proceedings Of The 9th International Conference On Maintenance And Rehabilitation Of Pavements Mairepav9 written by Christiane Raab and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-06-19 with Technology & Engineering categories.
This book gathers the proceedings of an international conference held at Empa (Swiss Federal Laboratories for materials Science and Technology) in Dübendorf, Switzerland, in July 2020. The conference series was established by the International Society of Maintenance and Rehabilitation of Transport Infrastructure (iSMARTi) for promoting and discussing state-of-the-art design, maintenance, rehabilitation and management of pavements. The inaugural conference was held at Mackenzie Presbyterian University in Sao Paulo, Brazil, in 2000. The series has steadily grown over the past 20 years, with installments hosted in various countries all over the world. The respective contributions share the latest insights from research and practice in the maintenance and rehabilitation of pavements, and discuss advanced materials, technologies and solutions for achieving an even more sustainable and environmentally friendly infrastructure.
Hot Mix Asphalt Mixtures
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Author :
language : en
Publisher:
Release Date : 1999
Hot Mix Asphalt Mixtures written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with categories.
Tire Waste And Recycling
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Author : Trevor Letcher
language : en
Publisher: Academic Press
Release Date : 2021-03-25
Tire Waste And Recycling written by Trevor Letcher and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-03-25 with Science categories.
Tire Waste and Recycling takes a methodical approach to the recycling of tires, providing a detailed understanding on how to manage, process, and turn waste tires into valuable materials and industrial applications. Sections cover fundamental aspects such as tire use, composition, trends, legislation, the current global situation, the possibilities for moving towards a circular economy, lifecycle options, treatment methods, and opportunities for re-use, recycling and recovery. Subsequent sections of the book focus on specific technologies that enable the utilization of waste tires in the development of high value materials and advanced applications. Finally, the future of tire recycling is considered. This is an essential resource for scientists, R&D professionals, engineers and manufacturers working in the tire, rubber, waste, recycling, automotive and aerospace industries. In academia, the book will be of interest to researchers and advanced scientists across rubber science, polymer science, materials engineering, environmental science, chemistry and chemical engineering. Offers systematic coverage of tire recycling, covering composition, lifecycle, processing options, material developments and latest technologies Explains end-of-life-options in detail, considering approaches and methods for reduction, re-use, recycling and recovery Explores key application and product areas for recycled tire materials, from civil engineering, sports and leisure, to roads and transport, construction, automotive, and many more
Self Healing Materials
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Author : S. van der Zwaag
language : en
Publisher: IOS Press
Release Date : 2015-11
Self Healing Materials written by S. van der Zwaag and has been published by IOS Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-11 with Science categories.
In 2006 the Dutch government funded an 8 year and 20 million euro research program on Self Healing Materials. The research was not to be restricted to one material class or one particular healing approach. It was to explore all opportunities to create self healing behavior in engineering and functional materials and to bring the new materials to a level where they could be tested in real life applications. At its launch, the IOP program was the very first integrated multi-material approach to this field in the world. The research was to be conducted at Dutch universities working in collaboration with industry. With the IOP Self Healing Materials program coming to an end, this book presents the highlights of the pioneering research in the field of self healing materials in the Netherlands. Given the diversity of topics addressed, the book will be of value to all materials scientists working in the field of materials and materials by design in particular, as well as industrial engineers and developers with an interest in increasing the reliability and reducing the maintenance of their products. The book will also be an inspiration to students and show them how an unspecified concept of self healing can be translated to new materials with exceptional behavior.
Mix Design Methods For Asphalt Concrete And Other Hot Mix Types
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Author : Asphalt Institute
language : en
Publisher:
Release Date : 1997
Mix Design Methods For Asphalt Concrete And Other Hot Mix Types written by Asphalt Institute and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Technology & Engineering categories.