Development of tentative guidelines for the selection of aggregate gradations for hot-mix asphalt Conference Paper

abstract

• Aggregate gradations for quality hot-mix asphalt (HMA) should be selected to minimize sensitivity to the variability in asphalt content and gradation during production. In this paper, Job Mix Formulas (JMF) of known performance were obtained from various agencies. These JMF were analyzed in an effort to establish relationships, criteria, and guidelines to facilitate the identification of high quality aggregate gradations, based on a demonstrated record of good in-service pavement performance on fairly high traffic highways. The results from this study provide a tentative approach for the selection of aggregate gradations for HMA. The coarse aggregate gradations for these asphalt mixtures were defined by a regression power law equation according to the effective maximum size of the aggregate blend. Similar analyses of fine aggregate gradations produced groupings according to the maximum size aggregate and percent passing the 4.75 mm sieve.

authors

• Birgisson, Bjorn

published proceedings

• AGGREGATE CONTRIBUTION TO HOT MIX ASPHALT (HMA) PERFORMANCE

author list (cited authors)

• Birgisson, B., & Ruth, B. E.

citation count

• 12

complete list of authors

• Birgisson, B||Ruth, BE

publication date

• January 2001

publisher

• ASTM International  Publisher

published in

• n1040-1695ISSN  Journal

keywords

• Aggregate Gradations
• Asphalt Mixtures
• Gradation Parameters

Digital Object Identifier (DOI)

• 10.1520/STP10803S

International Standard Book Number (ISBN) 10

• 0-8031-2892-4

start page

• 110

end page

• 127

volume

• 1412

issue

• 1412

URL

• http://dx.doi.org/10.1520/stp10803s