Designing Stone Matrix Asphalt Mixtures for Rut-resistant Pavements PDF Download
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Author: E. Ray Brown
Publisher: Transportation Research Board
ISBN: 9780309063197
Category : Asphalt
Languages : en
Pages : 84
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Book Description
Part 1: Summary of research results; Part 2: Mixture design method, construction guidelines, and quality control/quality assurance procedures
Author: E. Ray Brown
Publisher: Transportation Research Board
ISBN: 9780309063197
Category : Asphalt
Languages : en
Pages : 84
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Book Description
Part 1: Summary of research results; Part 2: Mixture design method, construction guidelines, and quality control/quality assurance procedures
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 67
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Book Description
Author: Gerald A. Huber
Publisher: Transportation Research Board
ISBN: 9780309068529
Category : Pavements
Languages : en
Pages : 72
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Book Description
This synthesis report will be of interest to state, local, and federal agency pavement materials, design, and construction engineers, as well as pavement research engineers and scientists. Those with supervisory oversight for pavement programs will also find it of interest. It describes the current practice for methods to achieve rut-resistant durable pavements. The synthesis documents current experience with permanent deformation of asphalt pavements and identifies methods to improve performance. Information for the synthesis was collected by surveying U.S. and Canadian transportation agencies and by conducting a literature search using domestic and international sources. This report of the Transportation Research Board describes the extent of the rutting problem on the National Highway System, pavement mixture design issues, and the design of rut-resistant mixtures. In addition, alternate mixture types, including stone matrix asphalt and porous asphalt, are discussed, as well as international approaches to mixture design. Finally, the construction of rut-resistant mixtures, including the role of quality control and quality assurance methods, are discussed. A summary of permanent deformation causes and solutions is included in the appendix.
Author: G. W. Maupin
Publisher:
ISBN:
Category : Aggregates (Building materials)
Languages : en
Pages : 40
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Book Description
SMA is a gap-graded mix filled with a rich asphalt-fines mastic developed in Europe. In 1991 five states constructed trial sections to determine if satisfactory mixes could be produced in the United States with current materials and high rates of production. This report discusses Virginia's first section, placed in 1992 near Lynchburg. During construction, better equipment was necessary to control the amount of fines contained in SMA mixes. Lack of control in the mix gradation caused variability on the roadway and on routine mix tests conducted during construction. The mix containing the cellulose fiber, Arbocel, has rotted more at stop-lights than the mix containing the polymer, Vestoplast, or the high-stability control mix. However, all mixes continue to perform well. Laboratory creep tests and gyratory shear tests predicted that the control mix and Vestoplast mix would be more resistant to rutting and consolidation under traffic. This investigation and work in other states have improved the current Virginia specification for SMA. The gradation was coarsened, a stiffer asphalt cement was required, and plant equipment that can adequately handle the aggregates was used. With these changes, future installations will perform better than the current dense graded mixes.
Author: SMA Technical Working Group
Publisher:
ISBN:
Category : Asphalt emulsion mixtures
Languages : en
Pages : 18
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Book Description
Stone Matrix Asphalt (SMA) is a relatively new paving mixture in the U.S. which shows promise as a tough, stable, rut-resistant surface mix in certain applications. The Federal Highway Administration (FHWA) established a Technical Working Group (TWG) composed of representatives from Industry, the states, the National Center for Asphalt Technology (NCAT), and FHWA to develop a set of model guidelines for materials and construction. The TWG also undertook the development of a research agenda, to monitor performance on completed SMA projects, and to assist states and contractors in SMA mix design and construction. This publication is a product of the TWG and provides general guidelines for the use of SMA paving mixtures, including composition of an SMA mixture, aggregates and additives, production, hauling and paving, and compaction.
Author: Samuel H. Carpenter
Publisher:
ISBN:
Category : Aggregates (Building materials)
Languages : en
Pages : 134
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Book Description
Author: Krzysztof Blazejowski
Publisher: CRC Press
ISBN: 1439819726
Category : Technology & Engineering
Languages : en
Pages : 332
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Book Description
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: Donna S. Harmelink
Publisher:
ISBN:
Category : Pavements, Asphalt
Languages : en
Pages : 190
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Book Description
Author: Asphalt Institute
Publisher:
ISBN: 9781934154175
Category : Asphalt
Languages : en
Pages : 102
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Book Description
Author: National Asphalt Pavement Association
Publisher:
ISBN:
Category : Asphalt
Languages : en
Pages : 47
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Book Description
