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Title: Considerations for Use of Alternative Binders in Asphalt Pavements: Material Characteristics
Accession Number: 01444764
Record Type: Component
Blurb URL: Availability: Find a library where document is available Abstract: This paper briefly highlights some of the issues around substituting other materials for some or all of the asphalt in conventional paving mixes. These issues may be minor but they still deserve consideration in developing an overall research plan for evaluating new materials. Existing binder specifications are, at best, performance related and are based on the fundamental physical and chemical properties of asphalt. Assumptions on how binder properties translate to mixture properties also need to be verified. Ultimately the concern is pavement performance. Field trials are the true test of a new material. There are other concerns besides material properties. The asphalt construction infrastructure is built around the handling characteristics of asphalt. If a new material fits the bill for performance but requires substantial capital investment for suppliers and contractors, there will be a large hurdle to practical implementation. There may also be environmental or aesthetic concerns that are different than those of asphalt. And finally, the construction industry is a real-world economic environment. A new material may be truly exciting in performance, but unless it is close to asphalt in overall economics, it will not be able to compete.
Monograph Accession #: 01444762
Language: English
Authors: Kluttz, RobertPagination: pp 2-6
Publication Date: 2012-8
Serial: Conference:
Alternative Binders for Sustainable Asphalt Pavements
Location:
Washington DC, United States Media Type: Web
TRT Terms: Uncontrolled Terms: Subject Areas: Highways; Materials; Pavements; I23: Properties of Road Surfaces; I31: Bituminous Binders and Materials; I35: Miscellaneous Materials
Files: TRIS, TRB
Created Date: Aug 30 2012 12:16PM
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