Characterization of hot-mixed open-graded asphalt mixtures

Chaouki A. Gemayel, Michael S. Mamlouk

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5 Scopus citations

Abstract

A detailed laboratory investigation was undertaken to study the effects of different mix components on several engineering properties of open-graded asphalt mixtures. Among these properties of open-graded asphalt mixtures. Among these properties are density, air voids, Marshall stability and flow, resilient modulus, tensile strength, and permeability. Properties of the open-graded mixture were compared with those of dense-graded mixtures and open-graded cores obtained from a porous pavement experimental test section. The asphalt content and aggregate gradation influenced the density, air voids, Marshall stability, instantaneous and total resilient moduli, and coefficient of permeability of laboratory-prepared open-graded specimens. The tensile strength was not affected by either the asphalt content or the aggregate gradation at a significance level of 0.05. The resilient characteristics were found to be highly affected by temperature. Additional Study results are discussed.

Original languageEnglish (US)
Pages (from-to)184-192
Number of pages9
JournalTransportation Research Record
Issue number1171
StatePublished - Jan 1 1988
Externally publishedYes

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ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Mechanical Engineering

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