A Mechanistic Evaluation Of Modified Asphalt Paving Mixtures
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A Mechanistic Evaluation Of Modified Asphalt Paving Mixtures
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Author :
language : en
Publisher:
Release Date : 1994
A Mechanistic Evaluation Of Modified Asphalt Paving 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 1994 with categories.
The main purpose of this study was to facilitate decisions concerning the effectiveness of modifiers in mitigating pavement distress and improving long-term overall pavement performance in actual field conditions, by utilizing short-term laboratory results and a mathematical prediction model. The modifiers investigated were carbon black, neoprene latex, and polymer modified asphalt (STYRELF). The statistical general linear model (GLM) and the Fisher least significant difference (LSD) were used for the analysis of data. The results of the study indicate that the effect of the modifier on the paving mixture properties was insignificant at low temperatures (down to -17 degrees C), but significant at high temperatures (up to 60 degrees C) where the synergistic effect of the modifier on the paving mixture was pronounced. The VESYS IIIA pavement performance prediction model was utilized to assess the effects, if any, of the modifier on the pavement's overall performance. All the modifiers improve, to some degree, the overall pavement performance.
A Mechanistic Evaluation Of Modified Asphalt Paving Mixtures
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Author : Shaher Zahran Zahran
language : en
Publisher:
Release Date : 1988
A Mechanistic Evaluation Of Modified Asphalt Paving Mixtures written by Shaher Zahran Zahran and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with categories.
A Mechanistic Evaluation Of Mixes Containing Conventional And Polymer Modified Styrelf Asphalts
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Author :
language : en
Publisher:
Release Date : 1989
A Mechanistic Evaluation Of Mixes Containing Conventional And Polymer Modified Styrelf Asphalts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with categories.
Evaluation Of Engineering Properties Of Hot Mix Asphalt Concrete For The Mechanistic Empirical Pavement Design
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Author :
language : en
Publisher:
Release Date : 2009
Evaluation Of Engineering Properties Of Hot Mix Asphalt Concrete For The Mechanistic Empirical Pavement Design written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
Data evaluation of the test results indicated the increase of nominal maximum size aggregate amount by 5% to 15% to the standard coarse mix designs had negligible effect on HMA fracture mechanics properties. The SBS polymer-modified asphalt binder improved the fracture mechanics behavior of asphalt mixtures comprehensively. The limestone materials hold advantages over granite materials in improving the performance of thermal cracking at low service temperatures and the rutting resistance at high service temperatures. The master curve construction and linear regression analysis indicated that the total resilient modulus increased with an increase in dynamic modulus at a specific loading frequency. The resilient modulus values were comparable with the dynamic modulus values at the loading frequency of 4 Hz. A correlation relationship was developed for predicting the dynamic modulus from existing resilient modulus values of the asphalt concrete mixture in implementing the mechanistic-empirical pavement design.
Evaluation Of Warm Mix Additives For Use In Modified Asphalt Mixtures
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Author : Rukesh Maharjan
language : en
Publisher:
Release Date : 2015
Evaluation Of Warm Mix Additives For Use In Modified Asphalt Mixtures written by Rukesh Maharjan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with Electronic books categories.
The purpose of this research effort was to evaluate the use of warm-mix additives with modified (polymer-modified and terminal blend tire rubber) asphalt mixtures from Nevada and California. This research was completed in two stages: Sasobit and Advera were evaluated in first stage while Evotherm and Foaming were evaluated in second stage. The three main components of the experimental plan include: evaluation of mixture resistivity to moisture damage, pavement performance characteristics of the mixtures, and mechanistic analysis of the mixtures for simulated flexible pavement. The moisture resistivity of all mixtures were checked by Indirect Tensile Strength (ITS), and Dynamic Modulus (E*) tests. Dynamic Modulus Ratio (ECR) and Tensile Strength Ratio (TSR) were computed at multiple Freeze-Thaw (F-T) cycles for further evaluation of moisture sensitivity of mixtures. Flow Number (FN) and Flexural beam fatigue tests were conducted to evaluate the performance characteristics of WMA additives/technology. The terminal blend tire rubber-modified binder with lime treatment works effectively in resisting moisture damage, rutting, and to significantly-reasonably improve the fatigue life of the WMA Evotherm, Foaming, Advera and Sasobit mixtures. Hence, it is the best solution for the design and construction of sustainable asphalt pavements. The use of terminal blend rubberized asphalt binder is an excellent and economical selection in reducing tire waste and environmental impacts.
Mechanistic Evaluation Of Asphalt Mixtures Containing Thiopave Additives
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Author : Louay Nadhim Mohammad
language : en
Publisher:
Release Date : 2016
Mechanistic Evaluation Of Asphalt Mixtures Containing Thiopave Additives written by Louay Nadhim Mohammad and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with Technology & Engineering categories.
7th Rilem International Conference On Cracking In Pavements
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Author : A. Scarpas
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-08-30
7th Rilem International Conference On Cracking In Pavements written by A. Scarpas and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-08-30 with Technology & Engineering categories.
In the recent past, new materials, laboratory and in-situ testing methods and construction techniques have been introduced. In addition, modern computational techniques such as the finite element method enable the utilization of sophisticated constitutive models for realistic model-based predictions of the response of pavements. The 7th RILEM International Conference on Cracking of Pavements provided an international forum for the exchange of ideas, information and knowledge amongst experts involved in computational analysis, material production, experimental characterization, design and construction of pavements. All submitted contributions were subjected to an exhaustive refereed peer review procedure by the Scientific Committee, the Editors and a large group of international experts in the topic. On the basis of their recommendations, 129 contributions which best suited the goals and the objectives of the Conference were chosen for presentation and inclusion in the Proceedings. The strong message that emanates from the accepted contributions is that, by accounting for the idiosyncrasies of the response of pavement engineering materials, modern sophisticated constitutive models in combination with new experimental material characterization and construction techniques provide a powerful arsenal for understanding and designing against the mechanisms and the processes causing cracking and pavement response deterioration. As such they enable the adoption of truly "mechanistic" design methodologies. The papers represent the following topics: Laboratory evaluation of asphalt concrete cracking potential; Pavement cracking detection; Field investigation of pavement cracking; Pavement cracking modeling response, crack analysis and damage prediction; Performance of concrete pavements and white toppings; Fatigue cracking and damage characterization of asphalt concrete; Evaluation of the effectiveness of asphalt concrete modification; Crack growth parameters and mechanisms; Evaluation, quantification and modeling of asphalt healing properties; Reinforcement and interlayer systems for crack mitigation; Thermal and low temperature cracking of pavements; and Cracking propensity of WMA and recycled asphalts.
Evaluation Of Volumetric And Mechanistic Properties Of Asphalt Mixtures
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Author : Samuel B. Cooper
language : en
Publisher:
Release Date : 2011
Evaluation Of Volumetric And Mechanistic Properties Of Asphalt Mixtures written by Samuel B. Cooper and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.
Proceedings Of The 5th International Conference On Sustainable Civil Engineering Structures And Construction Materials
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Author : Sheila Belayutham
language : en
Publisher: Springer Nature
Release Date : 2022-04-06
Proceedings Of The 5th International Conference On Sustainable Civil Engineering Structures And Construction Materials written by Sheila Belayutham and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-04-06 with Technology & Engineering categories.
This book compiles papers presented during the 5th International Conference on Sustainable Civil Engineering Structures and Construction Materials (SCESCM) held virtually in December 2020. This is the fifth edition of this conference series; the theme for the 5th SCESCM is “Transforming the World, Foster the Sustainable Development Goals (SDGs),” and it focuses on various issues, novel findings, as well as developments in the area of civil and infrastructure, conforming to the SDGs. This book caters to postgraduate students, researchers, and practitioners involved in advocating and embedding sustainability in various phases of design, construction and maintenance of civil engineering structures and infrastructure facilities.
Eco Efficient Pavement Construction Materials
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Author : Fernando Pacheco-Torgal
language : en
Publisher: Woodhead Publishing
Release Date : 2020-01-18
Eco Efficient Pavement Construction Materials written by Fernando Pacheco-Torgal and has been published by Woodhead Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-01-18 with Technology & Engineering categories.
Eco-efficient Pavement Construction Materials acquaints engineers with research findings on new eco-efficient pavement materials and how they can be incorporated into future pavements. Divided into three distinctive parts, the book emphasizes current research topics such as pavements with recycled waste, pavements for climate change mitigation, self-healing pavements, and pavements with energy harvesting potential. Part One considers techniques for recycling, Part Two reviews the contribution of pavements for climate change mitigation, including cool pavements, the development of new coatings for high albedo targets, and the design of pervious pavements. Finally, Part Three focuses on self-healing pavements, addressing novel materials and design and performance. Finally, the book discusses the case of pavements with energy harvesting potential, addressing different technologies on this field. Offers a clear and concise lifecycle assessment of asphalt pavement recycling for greenhouse gas emission with temporal aspects Applies key research trends to green the pavement industry Includes techniques for recycling waste materials, the design of cool pavements, self-healing mechanisms, and key steps in energy harvesting