Effects Of An Amine Anti Stripping Agent On Moisture Susceptibility Of Sasobit And Aspha Min Mixes By Surface Free Energy Analysis
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Effects Of An Amine Anti Stripping Agent On Moisture Susceptibility Of Sasobit And Aspha Min Mixes By Surface Free Energy Analysis
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Author : Aravinda Buddhala
language : en
Publisher:
Release Date : 2012
Effects Of An Amine Anti Stripping Agent On Moisture Susceptibility Of Sasobit And Aspha Min Mixes By Surface Free Energy Analysis written by Aravinda Buddhala and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with AD-here HP Plus categories.
Warm mix asphalt (WMA) is a fairly recent technology developed primarily to address issues such as high vapor emissions and high energy costs associated with the traditional hot mix asphalt (HMA) paving. Although the WMA is becoming a popular paving technology through field and laboratory evaluations, many researchers and transportation personnel are concerned about its moisture resistance. The present study analyzes the free energy of adhesion or wetting ability between eight different aggregates and an asphalt binder modified with varying dosages of two warm mix additives, namely Sasobit and Aspha-Min. Sasobit showed a maximum of 20.9 % and an average of 12.8 % increase in the free energy of adhesion in dry condition. The adhesion in the presence of moisture, referred to as free energy of reduction, was also evaluated to understand the moisture susceptibility of the WMA. The lower the free energy of reduction, the lower the asphalt binder's tendency to de-bond from aggregates in the presence of moisture. A maximum of 20.5 % and an average of 13.2 % decrease in the free energy of reduction were observed for asphalt binder with 3 % Sasobit. However, Aspha-Min did not exhibit any significant effect on any of the surface properties. One amine-based anti-stripping agent, AD-here HP Plus, is studied to evaluate its effect on adhesion and moisture susceptibility of the WMA. While its performance as an anti-stripping agent was good on the plain asphalt binder, AD-here HP Plus did not improve the adhesion of the selected binder modified with WMA additives either in dry or wet condition. The free energy of adhesion in wet and dry conditions showed either detrimental or no effect with selected aggregates, suggesting a negative or no influence of AD-here HP Plus on the WMA additive-modified binder.
Testing And Characterization Of Asphalt Materials And Pavement Structures
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Author : Kun Zhang
language : en
Publisher: Springer
Release Date : 2018-07-11
Testing And Characterization Of Asphalt Materials And Pavement Structures written by Kun Zhang and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-11 with Science categories.
This book presents new studies dealing with the attempts made by the scientists and practitioners to address contemporary issues in pavement engineering such as aging and modification of asphalt binders, performance evaluation of warm mix asphalt, and mechanical-based pavement structure analysis, etc.. Asphalt binder and mixture have been widely used to construct flexible pavements. Mechanical and Chemical characterizations of asphalt materials and integration of these properties into pavement structures and distresses analysis are of great importance to design a sustainable flexible pavement. This book includes discusses and new results dealing with these issues. Papers were selected from the 5th GeoChina International Conference 2018 – Civil Infrastructures Confronting Severe Weathers and Climate Changes: From Failure to Sustainability, held on July 23 to 25, 2018 in HangZhou, China.
Solving Pavement And Construction Materials Problems With Innovative And Cutting Edge Technologies
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Author : Zahid Hossain
language : en
Publisher: Springer
Release Date : 2018-07-16
Solving Pavement And Construction Materials Problems With Innovative And Cutting Edge Technologies written by Zahid Hossain and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-16 with Science categories.
This book presents challenges in transportation engineering, recent developments and advancements in technologies, and design and construction using sustainable materials. The articles presented in this volume focus on fundamental investigations on various aspects of civil engineering materials and structures. The scope of this volume is the application of findings for solving problems in geotechnical, pavement, and transportation engineering using emerging techniques. Papers were selected from the 5th GeoChina International Conference 2018 on Civil Infrastructures Confronting Severe Weathers and Climate Changes Conference, held on July 23 to 25, 2018 in HangZhou, China.
Issues In Teaching And Education Policy Research And Special Topics 2013 Edition
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Author :
language : en
Publisher: ScholarlyEditions
Release Date : 2013-05-01
Issues In Teaching And Education Policy Research And Special Topics 2013 Edition written by and has been published by ScholarlyEditions this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-05-01 with Education categories.
Issues in Teaching and Education Policy, Research, and Special Topics: 2013 Edition is a ScholarlyEditions™ book that delivers timely, authoritative, and comprehensive information about Education Testing and Evaluation. The editors have built Issues in Teaching and Education Policy, Research, and Special Topics: 2013 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Education Testing and Evaluation in this book to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Issues in Teaching and Education Policy, Research, and Special Topics: 2013 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.
Desarrollo De Una Mezcla Asf Ltica Tibia Bajo Criterios T Cnicos Y Medioambientales
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Author : Rondón Quintana, Hugo Alexander
language : es
Publisher: Editorial Universidad Distrital Francisco José de Caldas. Editorial UD
Release Date : 2018-04-01
Desarrollo De Una Mezcla Asf Ltica Tibia Bajo Criterios T Cnicos Y Medioambientales written by Rondón Quintana, Hugo Alexander and has been published by Editorial Universidad Distrital Francisco José de Caldas. Editorial UD this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-04-01 with Technology & Engineering categories.
Este libro presenta los resultados del proyecto de investigación "Desarrollo de una mezcla asfáltica tibia bajo criterios técnicos y medioambientales", el cual fue financiado por el Centro de Investigaciones y Desarrollo Científico (CIDC) de la Universidad Distrital Francisco José de Caldas. El estudio buscó desarrollar una mezcla asfáltica amigable con el medio ambiente que experimentara propiedades reológicas, mecánicas y de durabilidad similar o superior a las de mezclas tradicionales de concreto asfáltico. Para tal fin se evaluó la respuesta físico-mecánica y reológica que experimentó una mezcla asfáltica tibia desarrollada en laboratorio, empleando un aditivo químico líquido denominado HUSIL.
Pavimentos 2da Edici N
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Author : Hugo Alexander Rondón Quintana
language : es
Publisher: Ecoe Ediciones
Release Date : 2023-08-09
Pavimentos 2da Edici N written by Hugo Alexander Rondón Quintana and has been published by Ecoe Ediciones this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-08-09 with Technology & Engineering categories.
Con base en una amplia revisión bibliográfica se detallan los conceptos y fundamentos básicos de materiales para carreteras (asfálticos, granulares no tratados y estabilizados); se exponen los mecanismos de daño de pavimentos y las ecuaciones matemáticas más utilizadas para intentar predecir el comportamiento que experimentan estos materiales; se presentan las especificaciones técnicas y los ensayos que se deben ejecutar a la hora de evaluar los requisitos mínimos de calidad, y se refieren los métodos de diseño de estructuras de pavimento. En esta segunda edición: i) se actualizan las especificaciones de construcción; ii) se presentan nuevas tablas sobre requisitos técnicos de materiales; iii) se adicionan dos metodologías de diseño de pavimentos rígido (PCA, 1984; INVIAS, 2008) y una de pavimento en adoquines de concreto (ICPI, 1995); iv) se mejora la descripción de las variables y los métodos de diseño de pavimentos; v) se incluyen especificaciones de materiales que no fueron presentados en la anterior edición; vi) se añade mayor contenido de ecuaciones y ejercicios didácticos; vii) se presenta la información de una forma más didáctica con base en la experiencia que han tenido los autores en sus aulas empleando la primera edición. Sirve como fuente de consulta para estudiantes de pregrado y posgrado de Ingeniería Civil, Geotecnia, Vías y Transporte; consultores y diseñadores de pavimentos que podrán enriquecer y profundizar sus conocimientos, e investigadores nacionales e internacionales para fortalecer el estado del conocimiento de las investigaciones que ejecuten sobre los materiales que conforman estructuras de pavimentos. Incluye - Actualización de las especificaciones de construcción (INVIAS, 2022; IDU, 2018). - Los aspectos más importantes que el ingeniero debe conocer a la hora de diseñar, construir, controlar e investigar pavimentos para carreteras y vías urbanas. - Asfaltos y mezclas asfálticas, materiales granulares no tratados, concreto, materiales estabilizados, adoquines, construcción, especificaciones técnicas, diseño, ecuaciones matemáticas, diagnóstico y evaluación de pavimentos. - Ejercicios didácticos.
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.
Recent Advances And Future Trends In Pavement Engineering
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Author : Patricia Kara de Maeijer
language : en
Publisher: Mdpi AG
Release Date : 2020-08-13
Recent Advances And Future Trends In Pavement Engineering written by Patricia Kara de Maeijer and has been published by Mdpi AG this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-08-13 with Technology & Engineering categories.
This Special Issue "Recent Advances and Future Trends in Pavement Engineering" was proposed and organized to present recent developments in the field of innovative pavement materials and engineering. The 12 articles and state-of-the-art reviews highlighted in this editorial are related to different aspects of pavement engineering, from recycled asphalt pavements to alkali-activated materials, from hot mix asphalt concrete to porous asphalt concrete, from interface bonding to modal analysis, and from destructive testing to non-destructive pavement monitoring by using fiber optics sensors. This Special Issue partly provides an overview of current innovative pavement engineering ideas that have the potential to be implemented in industry in the future, covering some recent developments.
Advances In Transportation Geotechnics Iv
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Author : Erol Tutumluer
language : en
Publisher: Springer Nature
Release Date : 2021-08-30
Advances In Transportation Geotechnics Iv written by Erol Tutumluer and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-08-30 with Science categories.
This volume presents selected papers presented during the 4th International Conference on Transportation Geotechnics (ICTG). The papers address the geotechnical challenges in design, construction, maintenance, monitoring, and upgrading of roads, railways, airfields, and harbor facilities and other ground transportation infrastructure with the goal of providing safe, economic, environmental, reliable and sustainable infrastructures. This volume will be of interest to postgraduate students, academics, researchers, and consultants working in the field of civil and transport infrastructure.
Superior Performing Asphalt Pavements Superpave
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Author : Thomas William Kennedy
language : en
Publisher: National Research Council
Release Date : 1994
Superior Performing Asphalt Pavements Superpave written by Thomas William Kennedy and has been published by National Research Council this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Technology & Engineering categories.
The Strategic Highway Research Program (SHRP) was a highly focused, ambitious research effort that targeted four specific areas for intense study over the time frame from 1987 to 1993. Asphalt was one of the four study areas. This report describes the Superpave system, the final product of the asphalt research program; and the various parts that comprise its operational characteristics. In all, the final report of the SHRP Asphalt Research Program consists of five parts, the contents of which are briefly described in this report. Reference is made within this report to specific details within the other four parts for readers who want a more detailed description of the methodology, test methods, and theory behind Superpave.