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Download or read book Evaluation of the Use of Reclaimed Asphalt Pavement in Stone Matrix Asphalt Mixtures written by and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Stacey D. Diefenderfer
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.:/5 (1 download)
Download or read book Evaluation of Stone-Matrix Asphalt Mixtures Containing Recycled Asphalt Shingles (RAS) written by Stacey D. Diefenderfer and published by . This book was released on 2017 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, there has been increased interest in the use of reclaimed material in asphalt mixtures. The use of recycled asphalt shingles (RAS) has been of interest because of the high asphalt content, although this asphalt is considerably stiffer than that typically used in paving mixtures. The Virginia Department of Transportation has specifications allowing the use of post-manufacturing waste and post-consumer RAS, although use has been limited. In addition, the specifications do not provide for the use of RAS in stone matrix asphalt (SMA). In response to producer requests for RAS use in SMA, this study investigated the use of RAS in SMA mixtures in VDOTs Salem and Staunton districts. Mixtures were sampled during production, characterized, and evaluated using a suite of laboratory tests including dynamic modulus, flow number, rut depth, and bending beam fatigue. Test results indicated that, as expected, the inclusion of RAS appears to improve high temperature / low frequency modulus values and rutting resistance. The inclusion of RAS had mixed effects on the mixture performance in laboratory fatigue testing. Binder testing on one set of mixtures indicated that the virgin binder grade may significantly affect the degree of blending of the RAS binder. In addition, extracted binder Tc values indicated that the inclusion of either RAP or RAS may have adverse impacts on cracking susceptibility. These findings should be validated with field performance and additional mixtures. The study recommends that the Virginia Department of Transportation not change specifications to allow RAS in SMA at this time. In specific situations, the use of RAS in SMA should be approached judiciously, as when effectively located and properly designed, produced, and placed. RAS mixtures have the potential for improved rutting performance, although impacts on cracking performance must be carefully assessed.
Author : E. Ray Brown
Publisher : Transportation Research Board
ISBN 13 : 9780309063197
Total Pages : 84 pages
Book Rating : 4.0/5 (631 download)
Download or read book Designing Stone Matrix Asphalt Mixtures for Rut-resistant Pavements written by E. Ray Brown and published by Transportation Research Board. This book was released on 1999 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: Part 1: Summary of research results; Part 2: Mixture design method, construction guidelines, and quality control/quality assurance procedures
Author : Krzysztof Blazejowski
Publisher : CRC Press
ISBN 13 : 1439819726
Total Pages : 332 pages
Book Rating : 4.4/5 (398 download)
Download or read book Stone Matrix Asphalt written by Krzysztof Blazejowski and published by CRC Press. This book was released on 2016-04-19 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the years since the development and subsequent success of Stone Matrix Asphalt (SMA), a plethora of articles have emerged, scattered throughout various publications. The time is right for a comprehensive resource that collects, examines, and organizes this information and makes it easily accessible. A compilation and distillation of the latest k
Author :
Publisher :
ISBN 13 :
Total Pages : 192 pages
Book Rating : 4.:/5 (932 download)
Download or read book Hot-mix Asphalt Mixtures written by and published by . This book was released on 1999 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mark Rademaker
Publisher :
ISBN 13 :
Total Pages : 114 pages
Book Rating : 4.:/5 (31 download)
Download or read book Evaluation of Stone Matrix Asphalt written by Mark Rademaker and published by . This book was released on 1996 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Randy Clark West
Publisher : Transportation Research Board
ISBN 13 : 0309259134
Total Pages : 162 pages
Book Rating : 4.3/5 (92 download)
Download or read book Improved Mix Design, Evaluation, and Materials Management Practices for Hot Mix Asphalt with High Reclaimed Asphalt Pavement Content written by Randy Clark West and published by Transportation Research Board. This book was released on 2013 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt: TRB's National Cooperative Highway Research Program (NCHRP) Report 752: Improved Mix Design, Evaluation, and Materials Management Practices for Hot Mix Asphalt with High Reclaimed Asphalt Pavement Content describes proposed revisions to the American Association of State Highway and Transportation Officials (AASHTO) R 35, Superpave Volumetric Design for Hot Mix Asphalt, and AASHTO M 323, Superpave Volumetric Mix Design, to accommodate the design of asphalt mixtures with high reclaimed asphalt pavement contents.
Author : Rebecca McDaniel
Publisher : Purdue University Press
ISBN 13 : 9781622602131
Total Pages : 44 pages
Book Rating : 4.6/5 (21 download)
Download or read book Evaluation of Reclaimed Asphalt Pavement for Surface Mixtures written by Rebecca McDaniel and published by Purdue University Press. This book was released on 2012-08-01 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Indiana Department of Transportation has successfully used Reclaimed Asphalt Pavement (RAP) for decades because of its economic and environmental benefits. Because of uncertainties regarding the types of aggregates contained in RAP and their resulting frictional properties, INDOT has until recently disallowed the use of RAP in asphalt surface mixtures. In addition, the hardened asphalt binder in the RAP could potentially increase the occurrence of thermal cracking. This research was conducted to explore the effects on RAP with poor or unknown aggregate qualities to establish maximum allowable RAP contents to provide adequate friction. The effects of RAP on thermal cracking were then investigated at the potential allowable RAP contents. Laboratory testing showed that the addition of poor quality RAP materials did impact the frictional properties and cracking resistance of the mixtures, but that lower amounts of RAP had little effect. The frictional performance of the laboratory fabricated and field sampled RAP materials was acceptable at contents of 25% but may be questionable at 40%. Field friction testing was also conducted on existing roadways with RAP to explore their field frictional performance. Several low volume roadways and one experimental interstate project were tested. The field results showed acceptable performance after 3 to 5 years of low volume traffic at RAP contents of 15-25% and after more than 10 years of interstate traffic with 15% RAP. Low temperature testing showed an increased susceptibility to thermal cracking as the RAP content increased but the change in critical cracking temperature was relatively small at the 25% RAP level. At 40% RAP without a change in the virgin binder grade, the critical cracking temperature was about 6 C warmer than the control mixture. This finding supports the need for a binder grade change for RAP contents greater than 25%, as indicated in other research and as required by the current INDOT specifications.
Author : Byron E. Ruth
Publisher :
ISBN 13 :
Total Pages : 67 pages
Book Rating : 4.:/5 (694 download)
Download or read book A Laboratory Evaluation of Stone Matrix Asphalt Mixtures from Wisconsin written by Byron E. Ruth and published by . This book was released on 1994 with total page 67 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher : Strategic Highway Research Program (Shrp)
ISBN 13 :
Total Pages : 164 pages
Book Rating : 4.E/5 ( download)
Download or read book Distress Identification Manual for the Long-term Pavement Performance Project written by and published by Strategic Highway Research Program (Shrp). This book was released on 1993 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M. V. L. R. Anjaneyulu
Publisher : Springer Nature
ISBN 13 : 981192273X
Total Pages : 903 pages
Book Rating : 4.8/5 (119 download)
Download or read book Recent Advances in Transportation Systems Engineering and Management written by M. V. L. R. Anjaneyulu and published by Springer Nature. This book was released on 2022-11-10 with total page 903 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book presents the select proceedings of the 8th International Conference on Transportation Systems Engineering and Management (CTSEM 2021). The book covers topics pertaining to three broad areas of transportation engineering, namely Transportation Planning, Traffic Engineering and Pavement Technology. The topics covered include transportation and land use, urban and regional transportation planning, travel behavior modeling, travel demand analysis, forecasting and management, transportation and ICT, public transport planning and management, freight transport, traffic flow modeling and management, highway design and maintenance, capacity and level of service, traffic crashes and safety, ITS and applications, non-motorized transportation, transportation economics and policy, road and parking pricing, pedestrian facilities and safety, road asset management, pavement materials and characterization, pavement design and construction, pavement evaluation and management, transportation infrastructure financing, innovative trends in transportation systems, sustainable transportation, smart cities, resilience of transportation systems and environmental and ecological aspects. This book will be useful for the students, researchers and the professionals in the area of civil engineering, especially transportation and traffic engineering.
Author : Zhanping You
Publisher : MDPI
ISBN 13 : 3038428892
Total Pages : 431 pages
Book Rating : 4.0/5 (384 download)
Download or read book Advanced Asphalt Materials and Paving Technologies written by Zhanping You and published by MDPI. This book was released on 2018-05-04 with total page 431 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a printed edition of the Special Issue "Advanced Asphalt Materials and Paving Technologies" that was published in Applied Sciences
Author : Jesse David Doyle
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (772 download)
Download or read book Characterization of Reclaimed Asphalt and Performance Based Evaluation of Its Use in Recycled Mixtures written by Jesse David Doyle and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Reclaimed asphalt pavement (RAP) is a valuable resource that can be recycled into new asphalt mixtures. In recent years, the continued rise of raw material costs has generated considerable interest in increasing RAP usage. Warm mix asphalt (WMA) is a modern development in the asphalt industry that can potentially help increase RAP usage and achieve adequate mixture performance. The purpose of this dissertation is to: 1) develop a method to characterize the absorbed, inert and effective bituminous components in RAP; and 2) evaluate performance of high RAP-WMA mixtures for various pavement applications including airfield surfaces, highway surfaces and highway bases. A unique approach was taken to characterize RAP properties that coupled a dataset of 568 asphalt mix designs spanning five years of practice and testing 100% RAP with added virgin binder; 394 compacted specimens and 68 loose specimens were tested. A method to predict RAP absorbed asphalt was developed and shown to yield more reasonable results than conventional methods which were shown very likely to give incorrect absorbed asphalt contents in some conditions. The relative effectiveness of RAP surface asphalt was evaluated and estimates of inert and effective RAP asphalt were made for a variety of temperature, compactive effort, and warm mix additive conditions. Results showed different behaviors between RAP sources and between hot and warm mix temperatures. These results were also observed in volumetrics of high RAP mixtures. Performance evaluation was based on testing 75 slab specimens and more than 1100 gyratory specimens. Test data indicated a potential for decreased durability as RAP content increases; however 25% RAP highway surface mixtures and 50% RAP base mixtures had similar performance to current practice. Low temperature mixture stiffness testing and thermal cracking analysis indicated slightly increased stiffness with high RAP and 25% RAP highway surface mixtures that had comparable performance to current practice. Dry rut testing indicated high RAP mixtures are rut resistant. Moisture damage testing of high RAP mixtures indicated passing results in tensile strength ratio testing but potential for moisture damage in loaded wheel tracking. Overall, 25% RAP highway surface mixtures are recommended for immediate implementation.
Author : Ivo Eduardo Moroni
Publisher :
ISBN 13 :
Total Pages : 552 pages
Book Rating : 4.:/5 (312 download)
Download or read book Evaluation of Stone Matrix Asphalt Mixtures in the Gyratory Testing Machine written by Ivo Eduardo Moroni and published by . This book was released on 1993 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John Ernest Haddock
Publisher :
ISBN 13 :
Total Pages : 77 pages
Book Rating : 4.:/5 (78 download)
Download or read book Mixture Design and Project Evaluation of Stone Matrix Asphalt Mixtures on US-28 in Alabama written by John Ernest Haddock and published by . This book was released on 1996 with total page 77 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Fernando Pacheco-Torgal
Publisher : Woodhead Publishing
ISBN 13 : 0081027338
Total Pages : 492 pages
Book Rating : 4.0/5 (81 download)
Download or read book Use of Recycled Plastics in Eco-efficient Concrete written by Fernando Pacheco-Torgal and published by Woodhead Publishing. This book was released on 2018-11-21 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt: Use of Recycled Plastics in Eco-efficient Concrete looks at the processing of plastic waste, including techniques for separation, the production of plastic aggregates, the production of concrete with recycled plastic as an aggregate or binder, the fresh properties of concrete with plastic aggregates, the shrinkage of concrete with plastic aggregates, the mechanical properties of concrete with plastic aggregates, toughness of concrete with plastic aggregates, modulus of elasticity of concrete with plastic aggregates, durability of concrete with plastic aggregates, concrete plastic waste powder with enhanced neutron radiation shielding, and more, thus making it a valuable reference for academics and industrial researchers. Describes the main types of recycled plastics that can be applied in concrete manufacturing Presents, for the first time, state-of-the art knowledge on the properties of conventional concrete with recycled plastics Discusses the technological challenges for concrete manufactures for mass production of recycled concrete from plastic waste
Author : Audrey Copeland
Publisher :
ISBN 13 :
Total Pages : 49 pages
Book Rating : 4.:/5 (723 download)
Download or read book Reclaimed Asphalt Pavement in Asphalt Mixtures written by Audrey Copeland and published by . This book was released on 2011 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt: The intent of this report is to provide state-of-the-practice information on including higher amounts of reclaimed asphalt pavement (RAP) in asphalt mixtures. The state of the practice for RAP use across the United States, as well as common challenges for increasing the use of RAP, are identified. Best practices applicable for the use of RAP are presented to identify general parameters that must be considered when developing specifications and to provide information on available resources and best practices for sourcing, processing, stockpiling, testing, designing, evaluating, producing, and placing high RAP mixtures, as well as practices to attain the best performance for high RAP mixtures.
